10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

(Mark One)

☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2023

OR

☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                 to                

Commission File Number: 001-40367

BARINTHUS BIOTHERAPEUTICS PLC

(Exact Name of Registrant as Specified in its Charter)

England and Wales	Not Applicable
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
Unit 6-10, Zeus Building Rutherford Avenue, Harwell, Didcot, United Kingdom	OX11 0DF
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: +44 (0) 1865 818 808

Vaccitech plc

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
American Depositary Shares*	BRNS	The Nasdaq Global Market
Ordinary shares, nominal value £0.000025 per share**

*American Depositary Shares may be evidenced by American Depositary Receipts. Each American Depositary Share represents one (1) ordinary share.

**Not for trading, but only in connection with the listing of American Depositary Shares on The Nasdaq Global Market.

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.Yes  ☒   No  ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes  ☒    No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☐	Accelerated filer ☐
Non-accelerated filer ☒	Smaller reporting company ☒
	Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes ☐    No  ☒

As of November 2, 2023, the registrant had 38,565,272 ordinary shares, nominal value £0.000025 per share, outstanding.

Table of Contents

		Page
PART I - FINANCIAL INFORMATION		1
Item 1.	Financial Statements	1
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	14
Item 3.	Quantitative and Qualitative Disclosure About Market Risk	30
Item 4.	Controls and Procedures	31
PART II - OTHER INFORMATION		33
Item 1.	Legal Proceedings	33
Item 1A	Risk Factors	33
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	34
Item 3.	Defaults Upon Senior Securities	35
Item 4.	Mine Safety Disclosures	35
Item 5.	Other Information	35
Item 6.	Exhibits	36
SIGNATURES		37

We own various trademark registrations and applications, and unregistered trademarks, including the registered trademark VACCITECH, trademarks relating to the technologies acquired as part of our acquisition of Avidea Technologies, Inc. in December 2021 including the registered trademarks TRAPD, SNAPVAX and SYNTHOLYTIC, and we have filed applications at the UK Intellectual Property Office to register trademarks for BARINTHUS and a design logo. All other trade names, trademarks and service marks of other companies appearing in this Quarterly Report on Form 10-Q, or this Quarterly Report, are the property of their respective holders. Solely for convenience, the trademarks and trade names in this Quarterly Report may be referred to without the ® and ™ symbols, but such references should not be construed as any indicator that their respective owners will not assert, to the fullest extent under applicable law, their rights thereto. We do not intend to use or display other companies’ trademarks and trade names to imply a relationship with, or endorsement or sponsorship of us by, any other companies.

From time to time, we may use our website, our Twitter account at @Barinthusbio and our LinkedIn account at linkedin.com/company/barinthus-bio to distribute material information. Our financial and other material information is routinely posted to and accessible on the Investors section of our website, available at www.barinthusbio.com. Investors are encouraged to review the Investors section of our website because we may post material information on that site that is not otherwise disseminated by us. Information that is contained in and can be accessed through our website, our Twitter posts and our LinkedIn posts are not incorporated into, and does not form a part of, this Quarterly Report.

i

PART I -  FINANCIAL INFORMATION

Item 1.   Financial Statements.

INDEX TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

Condensed Consolidated Financial Statements (Unaudited)	Page
Condensed Consolidated Balance Sheets	F-1
Condensed Consolidated Statements of Operations and Comprehensive Loss	F-2
Condensed Consolidated Statements of Changes in Shareholders’ Equity	F-3
Condensed Consolidated Statements of Cash Flows	F-4
Notes to Condensed Consolidated Financial Statements	F-5

BARINTHUS BIOTHERAPEUTICS PLC

CONDENSED CONSOLIDATED BALANCE SHEETS

(IN THOUSANDS, EXCEPT NUMBER OF SHARES AND PER SHARE AMOUNTS)

(UNAUDITED)

	September 30,		December 31,
	2023		2022
ASSETS
Current assets:
Cash and cash equivalents	$	160,309	$	194,385
Accounts receivable		—		323
Accounts receivable - related parties		—		5,524
Research and development incentives receivable		4,172		4,541
Prepaid expenses and other current assets		6,584		8,268
Total current assets		171,065		213,041
Goodwill		12,209		12,209
Property and equipment, net		12,269		7,957
Intangible assets, net		25,898		28,269
Right of use assets, net		7,474		7,753
Other assets		1,055		976
Total assets	$	229,970	$	270,205
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	5,145	$	3,748
Accrued expenses and other current liabilities		11,923		8,061
Operating lease liability - current		1,501		433
Total current liabilities		18,569		12,242
Non-Current liabilities:
Operating lease liability		11,202		8,340
Contingent consideration		1,797		1,711
Deferred tax liability, net		1,521		3,746
Other non-current liabilities		1,278		965
Total liabilities	$	34,367	$	27,004
Commitments and contingencies (Note 14)
Shareholders’ equity:
Ordinary shares, £0.000025 nominal value; 38,546,594 shares authorized, issued and outstanding (December 31, 2022: authorized, issued and outstanding: 37,683,531)		1		1
Deferred A shares, £1 nominal value; 63,443 shares authorized, issued and outstanding (December 31, 2022: authorized, issued and outstanding: 63,443)		86		86
Deferred B shares, £0.01 nominal value; nil shares authorized, issued and outstanding (December 31, 2022:authorized, issued and outstanding: 570,987)		—		8
Deferred C shares, £0.000007 nominal value, nil shares authorized, issued and outstanding (December 31, 2022: authorized, issued and outstanding: 27,828,231)		—		0	1
Additional paid-in capital		385,707		379,504
Accumulated deficit		(159,297)		(103,243)
Accumulated other comprehensive loss – foreign currency translation adjustments		(31,099)		(33,460)
Total shareholders’ equity attributable to Barinthus Biotherapeutics plc shareholders		195,398		242,896
Noncontrolling interest		205		305
Total shareholders’ equity	$	195,603	$	243,201
Total liabilities and shareholders’ equity	$	229,970	$	270,205

¹ indicates amount less than thousand

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

F-1

BARINTHUS BIOTHERAPEUTICS PLC

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS

(IN THOUSANDS, EXCEPT NUMBER OF SHARES AND PER SHARE AMOUNTS)

(UNAUDITED)

	Three months ended				Nine months ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
License revenue 1	$	—	$	6,165	$	802	$	38,237
Research grants and contracts		—		—		—		9
Total revenue		—		6,165		802		38,246
Operating expenses
Research and development		15,144		9,744		38,501		30,165
General and administrative		961		(10,815)		26,227		(12,971)
Total operating expenses		16,105		(1,071)		64,728		17,194
(Loss)/income from operations		(16,105)		7,236		(63,926)		21,052
Other income /(expense):
Interest income		196		1,024		2,306		1,776
Interest expense		(7)		11		(21)		3
Research and development incentives		1,205		(724)		2,921		1,150
Other (expense)/ income, net		(2)		—		308		51
Total other income /(expense)		1,392		311		5,514		2,980
(Loss)/profit before income tax		(14,713)		7,547		(58,412)		24,032
Tax benefit		603		674		2,255		2,452
Net (loss)/income		(14,110)		8,221		(56,157)		26,484
Net loss attributable to noncontrolling interest		38		21		103		47
Net (loss)/income attributable to Barinthus Biotherapeutics plc shareholders		(14,072)		8,242		(56,054)		26,531
Weighted-average ordinary shares outstanding, basic		38,533,833		37,247,123		38,320,208		37,213,787
Weighted-average ordinary shares outstanding, diluted		38,533,833		38,156,564		38,320,208		38,226,092
Net (loss)/income per share attributable to ordinary shareholders, basic	$	(0.37)	$	0.22	$	(1.46)	$	0.71
Net (loss)/income per share attributable to ordinary shareholders, diluted	$	(0.37)	$	0.22	$	(1.46)	$	0.69
Net (loss)/income	$	(14,110)	$	8,221	$	(56,157)	$	26,484
Other comprehensive (loss)/gain – foreign currency translation adjustments		(7,820)		(19,940)		2,364		(42,730)
Comprehensive loss		(21,930)		(11,719)		(53,793)		(16,246)
Comprehensive loss attributable to noncontrolling interest		48		51		100		122
Comprehensive loss attributable to Barinthus Biotherapeutics plc shareholders	$	(21,882)	$	(11,668)	$	(53,693)	$	(16,124)

¹ Includes license revenue from related parties for the three and nine month periods ended September 30, 2023 of $Nil million and $0.8 million, respectively and for the three and nine month periods ended September 30, 2022 of $6.2 million and $38.2 million, respectively.

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

F-2

BARINTHUS BIOTHERAPEUTICS PLC

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN

SHAREHOLDERS’ EQUITY

(IN THOUSANDS, EXCEPT NUMBER OF SHARES)

(UNAUDITED)

	Three and Nine months ended September 30, 2023
																								Total shareholders’
																						Accumulated		equity attributable
																	Additional					Other		to Barinthus				Total
	Ordinary Shares				Deferred A Shares			Deferred B Shares				Deferred C Shares					Paid-in-			Accumulated		Comprehensive		Biotherapeutics plc		Noncontrolling		Shareholders’
	Shares	Amount			Shares	Amount		Shares		Amount		Shares		Amount			capital			Deficit		Loss		shareholders		Interest		Equity
Balance, January 1, 2023	37,683,531	$	1		63,443	$	86		570,987	$	8		27,828,231	$	0	1	$	379,504		$	(103,243)	$	(33,460)	$	242,896	$	305	$	243,201
Share based compensation	—		—		—		—		—		—		—		—			2,222			—		—		2,222		—		2,222
Issue of ordinary shares, net of issuance cost	673,494		0	1	—		—		—		—		—		—			1,789	1		—		—		1,789		—		1,789
Foreign currency translation adjustments	—		—		—		—		—		—		—		—			—			—		4,574		4,574		6		4,580
Cancellation of deferred shares	—		—		—		—		(570,987)		(8)		(27,828,231)		(0)	1		8			—		—		—		—		—
Net loss	—		—		—		—		—		—		—		—			—			(18,180)		—		(18,180)		(43)		(18,223)
Balance, March 31, 2023	38,357,025	$	1		63,443	$	86		—	$	—		—	$	0		$	383,523		$	(121,423)	$	(28,886)	$	233,301	$	268	$	233,569
Share based compensation	—		—		—		—		—		—		—		—			1,990			—		—		1,990		—		1,990
Issue of ordinary shares, net of issuance cost	167,034		0	1	—		—		—		—		—		—			123	1		—		—		123		—		123
Foreign currency translation adjustments	—		—		—		—		—		—		—		—			—			—		5,597		5,597		7		5,604
Net loss	—		—		—		—		—		—		—		—			—			(23,802)		—		(23,802)		(22)		(23,824)
Balance, June 30, 2023	38,524,059	$	1		63,443	$	86		—	$	—		—	$	0		$	385,636		$	(145,225)	$	(23,289)	$	217,209	$	253	$	217,462
Share based compensation	—		—		—		—		—		—		—		—			57			—		—		57		—		57
Issue of ordinary shares, net of issuance costs	22,535		0	1	—		—		—		—		—		—			14			—		—		14		—		14
Foreign currency translation adjustments	—		—		—		—		—		—		—		—			—			—		(7,810)		(7,810)		(10)		(7,820)
Net loss	—		—		—		—		—		—		—		—			—			(14,072)		—		(14,072)		(38)		(14,110)
Balance, September 30, 2023	38,546,594	$	1		63,443	$	86		—	$	—		—	$	0	1	$	385,707		$	(159,297)	$	(31,099)	$	195,398	$	205	$	195,603

	Three and Nine months ended September 30, 2022
																						Total shareholders’
																				Accumulated		Equity attributable
															Additional					Other		to Barinthus				Total
	Ordinary Shares				Deferred A Shares			Deferred B Shares			Deferred C Shares				Paid-in-			Accumulated		Comprehensive		Biotherapeutics plc		Noncontrolling		Shareholders’
	Shares	Amount			Shares	Amount		Shares	Amount		Shares	Amount			capital			Deficit		Loss		shareholders		Interest		Equity
Balance, January 1, 2022	37,188,730	$	1		63,443	$	86	570,987	$	8	27,828,231	$	0	1	$	369,103		$	(108,585)	$	(8,488)	$	252,125	$	437	$	252,562
Share based compensation	—		—		—		—	—		—	—		—			3,984			—		—		3,984		—		3,984
Issue of ordinary shares	4,637		0	1	—		—	—		—	—		—			0	1		—		—		0		—		0	1
Foreign currency translation adjustments	—		—		—		—	—		—	—		—			—			—		(5,968)		(5,968)		(15)		(5,983)
Net income	—		—		—		—	—		—	—		—			—			2,596		—		2,596		(22)		2,574
Balance, March 31, 2022	37,193,367	$	1		63,443	$	86	570,987	$	8	27,828,231	$	0	1	$	373,087		$	(105,989)	$	(14,456)	$	252,737	$	400	$	253,137
Share based compensation	—		—		—		—	—		—	—		—			2,748			—		—		2,748		—		2,748
Issue of ordinary shares	22,795		0	1	—		—	—		—	—		—			0	1		—		—		0		—		0	1
Foreign currency translation adjustments	—		—		—		—	—		—	—		—			—			—		(16,777)		(16,777)		(30)		(16,807)
Net income	—		—		—		—	—		—	—		—			—			15,693		—		15,693		(4)		15,689
Balance, June 30, 2022	37,216,162	$	1		63,443	$	86	570,987	$	8	27,828,231	$	0	1	$	375,835		$	(90,296)	$	(31,233)	$	254,401	$	366	$	254,767
Share based compensation	—		—		—		—	—		—	—		—			1,104			—		—		1,104		—		1,104
Issue of ordinary shares	75,330		0	1	—		—	—		—	—		—			0	1		—		—		0		—		0	1
Foreign currency translation adjustments	—		—		—		—	—		—	—		—			—			—		(19,910)		(19,910)		(30)		(19,940)
Net income	—		—		—		—	—		—	—		—			—			8,242				8,242		(21)		8,221
Balance, September 30, 2022	37,291,492	$	1		63,443	$	86	570,987	$	8	27,828,231	$	0	1	$	376,939		$	(82,054)	$	(51,143)	$	243,837	$	315	$	244,152

¹ Indicates amount less than thousand

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements

F-3

BARINTHUS BIOTHERAPEUTICS PLC

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(IN THOUSANDS)

(UNAUDITED)

	Nine months ended
	September 30, 2023			September 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss)/income	$	(56,157)		$	26,484
Adjustments to reconcile net (loss)/income to net cash used in operating activities:
Share based compensation		4,269			7,836
Depreciation and amortization		3,994			3,146
Non-cash lease expenses		787			786
Unrealized foreign exchange loss/( gain)		879			(36,578)
Non-cash interest expense		21			—
Change in contingent consideration		86			943
Profit on sale of property and equipment		—			(348)
Deferred tax benefit		(2,254)			(2,403)
Changes in operating assets and liabilities:
Accounts receivable (including related parties)		5,800			(6,162)
Prepaid expenses and other current assets		5,249			(2,949)
Research and development incentives receivable		426			1,163
Accounts payable		417			142
Accrued expenses and other current liabilities		5,234			5,066
Deferred revenue		—			(43)
Other assets		(73)			(171)
Net cash used in operating activities	$	(31,322)		$	(3,088)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment		(5,566)			(5,552)
Proceeds from sale of property and equipment		—			388
Net cash used in investing activities	$	(5,566)		$	(5,164)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issue of shares from the exercise of stock options		0	1		0	1
Proceeds from issue of ordinary shares, net of issuance costs		1,926			—
Payment of contingent consideration		(163)			—
Repayment of debt		—			(159)
Net cash provided by/(used in) financing activities	$	1,763		$	(159)
EFFECT OF EXCHANGE RATES ON CASH AND CASH EQUIVALENTS		1,049			(5,539)
Net decrease in cash and cash equivalents		(34,076)			(13,950)
Cash and cash equivalents, beginning of the period		194,385			214,054
Cash and cash equivalents, end of the period	$	160,309		$	200,104
Supplemental cash flow disclosures:
Non-Cash investing and financing activities
Capital expenditures included in accounts payable and accrued expenses	$	—		$	219
Right-of-use assets obtained in exchange for operating lease liabilities	$	—		$	2,400
Asset retirement obligation	$	287		$	826
Changes to right-of-use asset resulting from lease reassessment event	$	88		$	3

¹ Indicates amounts less than thousand

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

F-4

BARINTHUS BIOTHERAPEUTICS PLC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

1. Nature of Business and Basis of Presentation

Barinthus Biotherapeutics plc (formerly Vaccitech plc) is a public limited company incorporated pursuant to the laws of England and Wales in March 2021. Barinthus Biotherapeutics plc and its direct and indirect subsidiaries, Barinthus Biotherapeutics (UK) Limited (formerly Vaccitech (UK) Limited), Vaccitech Australia Pty Limited, Vaccitech Oncology Limited (“VOLT”), Barinthus Biotherapeutics North America, Inc. (formerly Vaccitech North America, Inc.), Barinthus Biotherapeutics Switzerland GmbH (formerly Vaccitech Switzerland GmbH) and Barinthus Biotherapeutics Italia S.R.L. (formerly Vaccitech Italia S.R.L.), are collectively referred to as the “Company” or “Barinthus Bio”. The Company is a clinical-stage biopharmaceutical company developing novel T cell immunotherapeutic candidates designed to guide the immune system to overcome chronic infectious diseases, autoimmunity and cancer. The Company is headquartered in Harwell, Oxfordshire, United Kingdom. On November 6, 2023, the Company announced its renaming as Barinthus Bio to represent the evolution and expansion of its focus beyond vaccines.

In connection with the initial public offering of American Depositary Shares (“ADSs”), in March 2021, the Company completed a corporate reorganization wherein the shareholders of Barinthus Biotherapeutics (UK) Limited exchanged each of their ordinary shares, series A shares and series B shares of Barinthus Biotherapeutics (UK) Limited for the same quantity of ordinary shares, series A shares and series B shares in Barinthus Biotherapeutics plc (resulting in the shareholders of the Company holding the same percentage and class of shares in Barinthus Biotherapeutics plc as they had in Barinthus Biotherapeutics (UK) Limited). The group reorganization under common control constituted a change in reporting entity and has been given retrospective effect reflecting the net assets of Barinthus Biotherapeutics (UK) Limited and its subsidiaries and Barinthus Biotherapeutics plc at their historical carrying amounts. On April 4, 2022, a merger was effected between subsidiaries Vaccitech USA, Inc. and Barinthus Biotherapeutics North America, Inc., with Barinthus Biotherapeutics North America, Inc. being the surviving entity.

The Company operates in an environment of rapid technological change and substantial competition from pharmaceutical and biotechnology companies. The Company is subject to risks common to companies in the biopharmaceutical industry in a similar stage of its life cycle including, but not limited to, the need to obtain adequate additional funding, possible failure of preclinical testing or clinical trials, the need to obtain marketing approval for its vaccine product candidates, competitors developing new technological innovations, the need to successfully commercialize and gain market acceptance of any of its products that are approved, and protection of proprietary technology. There can be no assurance that the Company’s research and development will be successfully completed, that adequate protection for the Company’s intellectual property will be obtained, that any products developed will obtain required regulatory approval or that any approved products will be commercially viable. Even if the Company’s development efforts are successful, it is uncertain when, if ever, the Company will generate significant product sales. If the Company does not successfully commercialize any of its products or mitigate any of these other risks, it will be unable to generate revenue or achieve profitability.

Basis of presentation

The Company’s unaudited condensed consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”) and pursuant to the rules and regulations of the Securities and Exchange Commission for interim financial statements. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. The accompanying unaudited condensed consolidated financial statements include the accounts of the Company and its subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation.

Certain notes or other information that are normally required by GAAP have been omitted if they substantially duplicate the disclosures contained in the Company’s annual audited consolidated financial statements. Accordingly, the unaudited condensed consolidated financial statements should be read in connection with the Company’s audited consolidated financial statements and related notes as of and for the year ended December 31, 2022. The condensed consolidated balance sheet as of December 31, 2022, was derived from the audited financial statements but does not contain all of the footnote disclosures from the annual financial statements.

F-5

BARINTHUS BIOTHERAPEUTICS PLC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

As of September 30, 2023, the Company had cash and cash equivalents of $160.3 million and an accumulated deficit of $159.3 million, and the Company expects to incur losses for the foreseeable future. The Company expects that its cash and cash equivalents will be sufficient to fund current operations for at least the next twelve months from the issuance of the financial statements. The Company expects to seek additional funding through equity financing, government or private-party grants, debt financings or other capital sources, including collaborations with other companies or other strategic transactions. The Company may not be able to obtain financing on acceptable terms, or at all, and the Company may not be able to enter into collaborations or other arrangements. The terms of any financing may adversely affect the holdings or rights of the Company’s stockholders. If the Company is unable to obtain sufficient capital, the Company will be forced to delay, reduce or eliminate some or all of its research and development programs, product portfolio expansion or future commercialization efforts, which could adversely affect its business prospects, or the Company may be unable to continue operations. Although management continues to pursue these plans, there is no assurance that the Company will be successful in obtaining sufficient funding on terms acceptable to the Company to fund continuing operations, if at all.

The condensed consolidated financial statements have been prepared assuming the Company will continue as a going concern, which contemplates, among other things, the realization of assets and the satisfaction of liabilities and commitments in the ordinary course of business.

Unaudited Condensed Financial Information

The accompanying Condensed Consolidated Balance Sheets as of September 30, 2023, and December 31, 2022, the Condensed Consolidated Statements of Operations and Comprehensive Loss, Condensed Consolidated Statements of Changes in Shareholders’ Equity and the Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2023 and 2022 are unaudited. These unaudited condensed consolidated financial statements have been prepared on the same basis as the audited annual consolidated financial statements contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022, filed with the Securities Exchange Commission (the “Annual Report”) on March 24, 2023. In our opinion, the unaudited condensed consolidated financial statements include all adjustments of a normal recurring nature necessary for the fair presentation of our financial position as of September 30, 2023, our results of operations for the three and nine months ended September 30, 2023, and 2022, and our cash flows for the nine months ended September 30, 2023, and 2022. The results of operations for the three and nine months ended September 30, 2023, are not necessarily indicative of the results to be expected for the year ending December 31, 2023, or any other interim periods.

2. Summary of Significant Accounting Policies

The accounting policies of the Company are set forth in Note 2 to the consolidated financial statements as of and for the year ended December 31, 2022, except as discussed below related to newly adopted accounting pronouncements.

Use of Estimates

The preparation of unaudited condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue,income and expenses during the reporting period. The Company bases estimates and assumptions on historical experience when available and on various factors that it believes to be reasonable under the circumstances. The Company evaluates its estimates and assumptions on an ongoing basis. The Company’s actual results may differ from these estimates under different assumptions or conditions.

As of the date of issuance of these unaudited condensed consolidated financial statements, the Company is not aware of any specific event or circumstance that would require the Company to update its estimates, assumptions and judgments or revise the carrying value of its assets or liabilities. These estimates may change as new events occur and additional information is obtained and are recognized in the unaudited condensed consolidated financial statements as soon as they become known. Actual results could differ from those estimates and any such differences may be material to the Company’s financial statements.

F-6

BARINTHUS BIOTHERAPEUTICS PLC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

Recently issued accounting pronouncements

From time to time, new accounting pronouncements are issued by the FASB or other standard setting bodies that the Company adopts as of the specified effective date. The Company qualifies as an “emerging growth company” as defined in the Jumpstart Our Business Startups Act of 2012 and has elected not to “opt out” of the extended transition related to complying with new or revised accounting standards, which means that when a standard is issued or revised and it has different application dates for public and nonpublic companies, the Company can adopt the new or revised standard at the time nonpublic companies adopt the new or revised standard and can do so until such time that the Company either (i) irrevocably elects to “opt out” of such extended transition period or (ii) no longer qualifies as an emerging growth company.

We have reviewed all recently issued standards and have determined that such standards will not have a material impact on our condensed consolidated financial statements or do not otherwise apply to our current operations.

3. Foreign Currency Transaction Gains/Losses in General and Administrative Expenses

The aggregate, net foreign exchange gain or loss included in determining net loss recognized in general and administrative expenses for the three and nine months ended September 30, 2023, was a gain of $6.6 million and a loss of $1.1 million, respectively. The aggregate net foreign exchange gain or loss included in determining net income recognized in general and administrative expenses for the three and nine months ended September 30, 2022, was a gain of $18.7 million and a gain of $39.1 million, respectively.

4. Net (Loss)/Income Per Share

The following table sets forth the computation of basic and diluted net (loss)/income per share for the three months and nine months ended September 30, 2023, and 2022 (in thousands, except number of shares):

	Three months ended September 30,				Nine months ended September 30,
	2023			2022	2023		2022
Numerator:
Net (loss)/income	$	(14,110)	$	8,221	$	(56,157)	$	26,484
Net loss attributable to noncontrolling interest		38		21		103		47
Net (loss)/income attributable to Barinthus Bio shareholders	$	(14,072)	$	8,242	$	(56,054)	$	26,531
Denominator:
Weighted-average ordinary shares outstanding, basic		38,533,833		37,247,123		38,320,208		37,213,787
Effect of dilutive stock options		—		909,441		—		1,012,304
Weighted-average ordinary shares outstanding, diluted		38,533,833		38,156,564		38,320,208		38,226,092
Net (loss)/income per share attributable to ordinary shareholders, basic	$	(0.37)	$	0.22	$	(1.46)	$	0.71
Net (loss)/income per share attributable to ordinary shareholders, diluted	$	(0.37)	$	0.22	$	(1.46)	$	0.69

Since the Company was in a loss position for all periods presented for 2023, basic net loss per share is the same as diluted net loss per share, as the inclusion of all potential ordinary share equivalents outstanding would have been anti-dilutive. As of September 30, 2023, 6,391,680 potential ordinary shares issuable for stock options were excluded from the computation of diluted weighted-average shares outstanding because including them would have had an anti-dilutive effect.

For the three and nine month period ended September 30, 2022, 3,201,290 and 2,697,808 potential ordinary shares issuable for stock options, respectively, were excluded from the computation of diluted weighted-average shares outstanding because including them would have had an anti-dilutive effect.

F-7

BARINTHUS BIOTHERAPEUTICS PLC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

5. Property and Equipment, net

During the nine months ended September 30, 2023, the Company’s additions to property and equipment, net were $5.9 million which primarily related to an increase in leasehold improvements from the Company’s U.S. office in Germantown, Maryland (nine months ended September 30, 2022: $6.8 million, related to leasehold improvements of the Company’s corporate headquarters).

Depreciation expense for the three and nine months ended September 30, 2023 was $0.7 million and $1.6 million, respectively (September 30, 2022: three and nine months was $0.4 million and $0.8 million, respectively).

6.Intangible Assets, net

The gross amount of amortizable intangible assets, consisting of acquired developed technology, was $31.6 million and $31.6 million as of September 30, 2023 and December 31 2022, respectively, and accumulated amortization was $5.7 million and $3.3 million as of September 30, 2023 and December 31, 2022, respectively. The amortization expense for the three and nine months ended September 30, 2023 was $0.8 million and $2.4 million, respectively (three and nine months ended September 30, 2022: $0.8 million and $2.4 million, respectively). The estimated annual amortization expense is $3.2 million for the years 2023 through to 2031.

7. Prepaid Expenses and Other Current Assets (in thousands):

	September 30,		December 31,
	2023		2022
Prepayments and accrued income	$	4,510	$	5,887
Value Added Tax receivable		1,719		—
Lease incentive receivable		—		1,770
Other		355		611
Total	$	6,584	$	8,268

8. Accrued Expenses and Other Current Liabilities (in thousands):

	September 30,		December 31,
	2023		2022
Accrued manufacturing and clinical expenses	$	6,791	$	2,997
Accrued board of director compensation		37		9
Accrued bonus		1,720		1,925
Accrued payroll and employee benefits		979		928
Accrued professional fees		1,081		1,270
Accrued other		1,315		932
Total	$	11,923	$	8,061

9. Ordinary Shares

All ordinary shares rank pari passu as a single class. The following is a summary of the rights and privileges of the holders of ordinary shares as of September 30, 2023:

Liquidation preference: in the event of the liquidation, dissolution or winding up of the Company, the assets of the Company available for distribution to holders of the ordinary shares shall be distributed amongst all holders of the ordinary shares in proportion to the number of shares held irrespective of the amount paid or credited as paid on any share.

Dividends: the Company may, subject to the provisions of the Companies Act 2006 and our Articles, by ordinary resolution from time to time declare dividends to be paid to shareholders not exceeding the amount recommended by the Company’s board of directors. Subject to the provisions of the Companies Act 2006, in so far as, in the board of directors’ opinions, the Company’s profits justify such payments, the board of directors may pay interim dividends on the Company’s ordinary shares.

F-8

BARINTHUS BIOTHERAPEUTICS PLC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

Voting Rights: each holder of ordinary shares has the right to receive notice of, and to vote at, the Company’s general meetings. Each holder of ordinary shares who is present (in person or by proxy) at a general meeting on a show of hands has one vote and, on a poll, every such holder who is present (in person or by proxy) has one vote in respect of each share of which they are the holder.

Preemption rights: pursuant to section 561 of the Companies Act 2006, shareholders are granted preemptive rights when new shares are issued for cash. However, it is possible for our Articles, or shareholders at a general meeting representing at least 75% of our ordinary shares present (in person or by proxy) and eligible to vote at that general meeting, to disapply these preemptive rights by passing a special resolution. Such a disapplication of preemption rights may be for a maximum period of up to five years from the date on which the shareholder resolution was passed. In either case, this disapplication would need to be renewed by our shareholders upon its expiration (i.e., at least every five years) to remain effective.

On April 21, 2021, our shareholders approved the disapplication of preemptive rights for a period of five years from the date of approval by way of a special resolution of our shareholders. This included the disapplication of preemption rights in relation to the allotment of our ordinary shares in connection with the IPO. This disapplication will need to be renewed upon expiration (i.e., at least every five years) to remain effective, but may be sought more frequently for additional five-year terms (or any shorter period).

On November 6, 2023, we held a general meeting where our shareholders approved resolutions granting our board of directors or any duly authorized committee of the board of directors the authority to allot shares in the Company or grant rights to subscribe for or to convert any security into shares in the Company free from pre-emption rights. Pursuant to such approval, our board of directors was authorized to allot shares up to an aggregate nominal amount of £1,928 free from statutory pre-emption rights.

10. Deferred Shares

All deferred shares rank pari passu as a single class. The deferred shares do not have rights to dividends or to any other right of participation in the profits of the Company. On a return of assets on liquidation, the deferred shares shall confer on the holders thereof an entitlement to receive out of the assets of the Company available for distribution amongst the shareholders (subject to the rights of any new class of shares with preferred rights) the amount credited as paid up on the deferred shares held by them respectively after (but only after) payment shall have been made to the holders of the ordinary shares of the amounts paid up or credited as paid up on such shares and the sum of £1.0 million in respect of each ordinary share held by them respectively. The deferred shares shall confer on the holders thereof no further right to participate in the assets of the Company.

On March 29, 2023, all deferred B shares (nominal value of £0.01 each) and deferred C shares (nominal value of £0.00000736245954692556 each) previously in issue were transferred back to the Company and subsequently cancelled. These deferred shares had previously been issued to certain pre-IPO shareholders in connection with the implementation of certain stages of the Company’s pre-IPO share capital reorganization. The Company received shareholder approval on April 21, 2021 (pursuant to the shareholder resolutions passed on that date) in order to effect the transfer back and cancellation of the deferred shares for nil consideration in accordance with sections 659 and 662 of the Companies Act 2006.

The Company’s deferred A shares with a nominal value of £1.00 each remain in issue for the purposes of satisfying the minimum share capital requirements for a public limited company as prescribed by the Companies Act 2006.

11. Fair Value

The Company’s financial instruments consist of cash and cash equivalents, accounts receivable, accounts payable, certain accrued expenses, and contingent consideration. The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable and accrued expenses approximated their respective fair value due to the short-term nature and maturity of these instruments.

As of September 30, 2023, the Company had a contingent consideration liability of $1.8 million related to the acquisition of Avidea Technologies, Inc. The fair value of the contingent consideration is a Level 3 valuation with the significant unobservable inputs being the probability of success of achievement of the milestones and the expected date of the milestone achievement. Significant judgment is employed in determining the appropriateness of certain of these inputs.

F-9

BARINTHUS BIOTHERAPEUTICS PLC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

The following table summarizes changes to our financial instruments carried at fair value and classified within Level 3 of the fair value hierarchy (in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2023		2022		2023		2022
Beginning balance	$	2,117	$	2,727	$	1,711	$	2,371
Change in fair value recognized in net income/(loss) 1		(244)		317		72		943
Foreign exchange translation recognized in other comprehensive loss		(76)		(208)		14		(478)
Ending balance	$	1,797	$	2,836	$	1,797	$	2,836

¹ During the fourth quarter of 2022, the Company reclassified the change in fair value of Contingent Consideration from Other income and expense to General and Administrative operating expense. For the three and nine month periods ending September 30, 2022, an expense of $0.3 million and $0.9 million, respectively, has been reclassified to conform the presentation for comparator periods.

12.Goodwill

The Company identified qualitative indicators of impairment due to a sustained decline in the price of the Company’s American Depositary Shares, whereby the market capitalization continues to be below the value of the net assets of the Company. Therefore, the Company performed an interim qualitative assessment as of September 30, 2023 to determine whether it was more likely than not that the fair value of the reporting unit is less than its carrying amount. Based on this assessment, management determined it is not more likely than not that the fair value of the reporting unit is less than its carrying amount and hence no impairment loss has been recognized.

13.Share-Based Compensation

During the nine month period ended September 30, 2023, in accordance with the terms of the Annual Increase of the Barinthus Biotherapeutics plc Award Plan 2021 (the “Plan”), the total number of ordinary shares available for issuance under the Plan increased by 4% of the Company’s issued and outstanding ordinary shares as of January 1, 2023.

For the nine months ended September 30, 2023, the Company granted 2,221,706 options to employees and directors with a weighted average grant date fair value of $1.99 and a weighted average exercise price of $2.50 per share (September 30, 2022: granted 2,265,040 options,weighted average grant date fair value of $3.53 and a weighted average exercise price of $9.15 per share). For the nine months ended September 30, 2023, 664,449 options (September 30, 2022: 372,916 ) were forfeited.

The fair value of each stock option issued to employees was estimated at the date of grant using the Black-Scholes model with the following weighted-average assumptions:

	Nine months ended
	September 30,
	2023		2022
Expected volatility	96.9	%	94.6	%
Expected term (years)	6.0		6.0
Risk-free interest rate	3.7	%	2.38	%
Expected dividend yield	—	%	—	%

As of September 30, 2023, 6,391,680 options with a weighted average exercise price of $8.86 were outstanding. As of September 30, 2023, there was $4.1 million unrecognized compensation cost related to stock options, which is expected to be recognized over a weighted average period of 1.8 years. As of September 30, 2022, 4,976,180 options with a weighted average exercise price of $8.90 were outstanding. As of September 30, 2022, there was $8.7 million unrecognized compensation expense related to stock options, which is expected to be recognized over a weighted average period of 2.13 years.

F-10

BARINTHUS BIOTHERAPEUTICS PLC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

Share based compensation expense is classified in the unaudited condensed consolidated statements of operations and comprehensive loss as follows (in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
Research and development	$	(746)	$	535	$	1,400	$	2,065
General and administrative		803		569		2,869		5,771
Total	$	57	$	1,104	$	4,269	$	7,836

14. Commitments and Contingencies

In-License Agreements

The Company is party to a number of licensing agreements, most of which are with related parties. These agreements serve to provide the Company with the right to develop and exploit the counterparties’ intellectual property for certain medical indications. As part of execution of these arrangements, the Company paid certain upfront fees, which have been expensed as incurred because the developing technology has not yet reached technical feasibility, the lack of alternative use, and the lack of proof of potential value. The agreements cover a variety of fields, including influenza, cancer, human papillomavirus infection, (“HPV”), hepatitis B virus (“HBV”) and middle east respiratory syndrome (“MERS”). The Company’s obligations for future payments under these arrangements are dependent on its ability to develop promising drug candidates, the potential market for these candidates and potential competing products, and the payment mechanisms in place in countries where the Company retains the right to sell. Each agreement provides for specific milestone payments, typically triggered by achievement of certain testing phases in human candidates, and future royalties ranging from 1 to 5% for direct sales of a covered product to 3 to 7% of net payments received for allowable sublicenses of technology developed by the Company. The obligation to make these payments is contingent upon the Company’s ability to develop candidates for submission for phased testing and approvals, and for the development of markets for the products developed by the Company. The Company has not made or accrued any material payments under these license agreements during the nine month periods ended September 30, 2023 and 2022.

Leases

The Company leases certain laboratory and office space under operating leases, which are described below.

The Harwell Science and Innovation Campus, Oxfordshire

On September 3, 2021, the Company entered into a lease agreement for the lease of approximately 31,000 square feet in Harwell, Oxfordshire which expires in September 2031. The property is the Company’s corporate headquarters. As the Company’s leases typically do not provide an implicit rate, the Company uses an estimate of its incremental borrowing rate based on the information available at the lease commencement date, being the rate incurred to borrow on a collateralized basis over a similar term at an amount equal to the lease payments in a similar economic environment. The Company has provided the lessor with a refundable security deposit of $0.7 million which is included in Other assets.

Germantown, Maryland

On June 14, 2022, the Company entered into a lease agreement for the lease of approximately 19,700 square feet in Germantown, Maryland. The site will house the Company’s, state-of-the-art wet laboratory in the United States of America. The lease expires on February 28, 2034, with the Company having a single right to extend for an additional five years on the same terms and conditions other than for the base rent. The Company has a rent-free period up to February 29, 2024, and is entitled to up to $3.5 million for leasehold improvements to the premises desired by the Company. The Company has provided the lessor with a refundable security deposit of $0.2 million which is included in Other assets.

F-11

BARINTHUS BIOTHERAPEUTICS PLC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

The Company recorded a right-of-use asset and a lease liability on the effective date of the lease term. The Company’s right-of-use asset and lease liability are as follows (in thousands):

	September 30,		December 31,
	2023		2022
Right-of-use asset	$	7,474	$	7,753
Operating lease liability, current	$	1,501	$	433
Operating lease liability, non-current	$	11,202	$	8,340

	Nine months ended September 30,
	2023			2022
Other information
Operating cash flows used for operating leases	$	396		$	1,569
Weighted average remaining lease term (years)		9.10			9.75
Weighted average discount rate		7.5	%		7.6	%

	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
Lease Cost
Short-term lease costs	$	—	$	152	$	189	$	356
Fixed lease costs		192		258		787		786
Total lease cost	$	192	$	410	$	976	$	1,142

Future annual minimum lease payments under operating leases as of September 30, 2023, were as follows (in thousands):

Remainder of 2023	$	233
2024		1,737
2025		1,889
2026		1,913
2027		1,937
Thereafter		9,835
Total minimum lease payments	$	17,544
Less: imputed interest		(4,841)
Total operating lease liability	$	12,703

Other contingencies

As of the date of this Quarterly Report on Form 10-Q, we do not believe we are party to any claim or litigation the outcome of which, if determined adversely to us, would individually or in the aggregate be reasonably expected to have a material adverse effect on our business. However, from time to time, we could be subject to various legal proceedings and claims that arise in the ordinary course of our business activities. Regardless of the outcome, legal proceedings can have an adverse impact on us because of defense and settlement costs, diversion of management resources and other factors.

F-12

BARINTHUS BIOTHERAPEUTICS PLC

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

15.Related Party Transactions

During the three and nine months ended September 30, 2023, the Company incurred expenses of $0.1 million and $0.1 million respectively (three and nine months ended September 30, 2022: $Nil and $0.2 million respectively) to its shareholder, the University of Oxford, related to clinical study costs. As of September 30, 2023, the Company owed $0.1 million (December 31, 2022: $Nil) to the University of Oxford.

During the three and nine months ended September 30, 2023, the Company incurred expenses of $0.2 million and $0.6 million respectively (three and nine months ended September 30, 2022: $0.1 million and $0.4 million, respectively) from Oxford University Innovation Limited which is a wholly owned subsidiary of the Company’s shareholder, the University of Oxford. As of September 30, 2023, the Company owed $0.2 million (December 31, 2022: $Nil) to Oxford University Innovation Limited.

During the three and nine months ended September 30, 2023, the Company recognized license revenue of $Nil and $0.8 million respectively (three and nine months ended September 30, 2022: $6.2 million and $38.2 million respectively), from Oxford University Innovation Limited. As of September 30, 2023, the Company was owed $Nil (December 31, 2022: $5.5 million) from Oxford University Innovation Limited.

F-13

Item 2.    Management’s Discussion and Analysis of Financial Condition and Results of Operations.

You should read the following discussion and analysis of our financial condition and results of operations together with our condensed consolidated financial statements and the related notes appearing elsewhere in this unaudited Quarterly Report on Form 10-Q and our audited financial statements and related notes thereto for the year ended December 31, 2022 included in our Annual Report on Form 10-K for the year ended December 31, 2022, which was filed with the SEC on March 24, 2023. Some of the information contained in this discussion and analysis or set forth elsewhere in this report, including information with respect to our plans and strategy for our business, includes forward-looking statements that involve risks, uncertainties, and assumptions. Factors that might cause future results to differ materially from those projected in the forward-looking statements include, but are not limited to, those set forth in our Annual Report on Form 10-K and in other filings with the SEC.

Overview

We are a clinical-stage biopharmaceutical company developing novel T cell immunotherapeutic candidates designed to guide the immune system to overcome chronic infectious diseases, autoimmunity and cancer. Helping patients and their families is the guiding principle at the heart of Barinthus Bio. The Company stands apart through its broad pipeline, built around four proprietary platform technologies; two viral vector platforms, ChAdOx and MVA; and two synthetic SNAP platforms, SNAP-TI (SNAP-Tolerance Immunotherapy) and SNAP-CI (SNAP-Cancer Immunotherapy), previously referred to collectively as SNAPvax^TM. These platforms are enabling the Company to develop antigen-specific immunotherapeutic candidates designed to optimize the disease-fighting capabilities of T cells and guide them towards a healthy balance. Our immunotherapeutic candidates are designed to work by increasing disease-specific CD8 T cell activity in the case of chronic infectious diseases and cancers, or by dampening CD4 and CD8 T cells, and increasing regulatory T cells in autoimmunity.

Harnessing its range of proprietary viral vector and synthetic platform technologies, Barinthus Bio is advancing a pipeline of five product candidates across a diverse range of therapeutic areas, including: VTP-300, a Phase 2 immunotherapeutic candidate designed as a potential component of a functional cure for chronic hepatitis B viral (HBV) infection; VTP-200, a Phase 2 non-surgical product candidate for persistent high-risk human papillomavirus (HPV) with near term clinical read-outs; VTP-1000, our first preclinical autoimmune candidate designed to utilize the SNAP-TI platform to treat patients with celiac disease; VTP-850, a second-generation Phase 2 immunotherapeutic candidate designed to treat recurrent prostate cancer; VTP-1100, our first preclinical cancer candidate, designed to utilize the SNAP-CI platform to treat patients with HPV-related cancer.

Alongside these proprietary programs, the Company has partnerships in place to advance three additional prophylactic and therapeutic product candidates in MERS (Middle East Respiratory Syndrome), Zoster and NSCLC (Non-Small Cell Lung Cancer). The Company also co-invented a COVID-19 vaccine with the University of Oxford, which has been exclusively licensed worldwide to AstraZeneca. The co-invention of the COVID-19 vaccine demonstrated the Company’s ability to navigate a changing environment with speed and efficiency and lead the way in responding to urgent medical needs, as well as providing a strong proof-of-concept for the ChAdOx platform.

Barinthus Bio’s proven scientific expertise, diverse portfolio and focus on product development uniquely positions the Company to navigate towards delivering treatments for patients with infectious diseases, autoimmunity and cancers that have a significant impact on their every day lives.

On May 4, 2021, we completed our initial public offering, or IPO, pursuant to which we issued and sold 6,500,000 American Depository Shares, or ADSs, at a public offering price of $17.00 per ADS, resulting in net proceeds of $102.8 million, after deducting underwriting discounts and commissions and offering expenses. Prior to our IPO, we funded our operations primarily from private placements of our ordinary and preferred shares, private placements of loan notes convertible into ordinary shares, as well as from grants and licensing agreements, research tax credit payments, investments from non-controlling interest, and a $2.4 million upfront payment from OUI in July 2020 in connection with the Amendment, Assignment and Revenue Share Agreement, or the OUI License Agreement Amendment, related to the licensing of the COVID-19 vaccine, Vaxzevria. We do not expect to generate revenue from any of our own product candidates, excluding Vaxzevria, until we obtain regulatory authorization for one or more of such product candidates, if at all, and commercialize our products, or we enter into out-licensing agreements with third parties.

14

On March 28, 2022, pursuant to the OUI License Agreement Amendment, we were notified of the commencement of payments, arising from AstraZeneca’s commercial sales of Vaxzevria. Under the terms of an exclusive worldwide license agreement between OUI and AstraZeneca, OUI is entitled to milestone payments and royalties on commercial sales of Vaxzevria that began after the pandemic period. As part of the assignment from us to OUI, we are entitled to receive approximately 24% of payments received by OUI from AstraZeneca. For the three and nine months ended September 30, 2023, we recognized $Nil and $0.8 million, respectively, as revenue (three and nine months ended September 30, 2022: $6.2 million and $38.2 million). There is no guarantee that such payments will be made in the future and, if they do, that we will be notified of such payments in a timely manner.

On August 9, 2022, we filed a Registration Statement on Form S-3, as amended, or the Shelf, with the Securities and Exchange Commission in relation to the registration and potential future issuance of ordinary shares, including ordinary shares represented by ADSs, debt securities, warrants and/or units of any combination thereof in the aggregate amount of up to $200.0 million. The Shelf was declared effective on August 17, 2022. We also simultaneously entered into a sales agreement with Jefferies LLC, as sales agent, providing for the offering, issuance and sale by us of up to an aggregate of $75.0 million of our ordinary shares represented by ADSs from time to time in “at-the-market” offerings under the Shelf. As of September 30, 2023, we have sold 1,064,587 ordinary shares represented by ADSs under the sales agreement, amounting to net proceeds of $2.7 million.

We incurred net losses each year since inception through to December 31, 2021. For the year ended December 31, 2022, we generated net income of $5.3 million, primarily as a result of revenues arising from AstraZeneca sales of Vaxzevria and our agreement with OUI. For the nine months ended September 30, 2023, we incurred a net loss of $56.2 million. As of September 30, 2023, we had an accumulated deficit of $159.3 million and we do not currently expect positive cash flows from operations in the foreseeable future. We expect to incur net operating losses for at least the next several years as we advance our product candidates through clinical development, seek regulatory approval, prepare for approval, and in some cases proceed to commercialization of our product candidates, as well as continue our research and development efforts and invest to establish a commercial manufacturing facility, as and when appropriate.

At this time, we cannot reasonably estimate, or know the nature, timing and estimated costs of all of the efforts that will be necessary to complete the development of any of our product candidates that we develop through our programs. We are also unable to predict when, if ever, material net cash inflows will commence from sales of product candidates we develop, if at all. This is due to the numerous risks and uncertainties associated with developing product candidates to approval and commercialization, including the uncertainty of:

● successful completion of preclinical studies and clinical trials;

● sufficiency of our financial and other resources to complete the necessary preclinical studies and clinical trials;

● acceptance of investigational new drug applications, or INDs, for our planned clinical trials or future clinical trials;

● successful and timely enrollment and completion of clinical trials;

● data from our clinical program supporting approvable and commercially acceptable risk/benefit profiles for our product candidates in the intended populations;

● receipt and maintenance of necessary regulatory and marketing approvals from applicable regulatory authorities, in the light of the commercial environment then existent;

● availability and successful procurement of raw materials required to manufacture our products for clinical trials, scale-up of our manufacturing processes and formulation of our product candidates for later stages of development and commercial production;

● establishing either our own manufacturing capabilities or satisfactory agreements with third-party manufacturers for clinical supply for later stages of development and commercial manufacturing;

● entry into collaborations where appropriate to further the development of our product candidates;

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● obtaining and maintaining intellectual property and trade secret protection or regulatory exclusivity for our product candidates as well as qualifying for, maintaining, enforcing and defending such intellectual property rights and claims;

● successfully launching or assisting with the launch of commercial sales of our product candidates following approval;

● acceptance of each product’s benefits and uses by patients, the medical community and third-party payors following approval;

● the prevalence and severity of any adverse events experienced with our product candidates in development;

● establishing and maintaining a continued acceptable safety profile of the product candidates following approval;

● obtaining and maintaining healthcare coverage and adequate reimbursement from third-party payors if necessary or desirable; and

● effectively competing with other therapies.

A change in the outcome of any of these variables with respect to the development of a product candidate could mean a significant change in the costs and/or timing associated with the development of that product candidate or could prevent continuation of that program being in the Company’s interests. For example, if the FDA or another regulatory authority were to require us to conduct clinical trials beyond those that we anticipate will be required for the completion of clinical development of a product candidate, or if we experience significant delays in our clinical trials due to patient enrollment or other reasons, we might be required to expend significant additional financial resources and time on the completion of clinical development. In some circumstances, such as the emergence of a significantly more effective therapy from a competitor, it may be appropriate to discontinue a product candidate program. We expect that our cash balance as of September 30, 2023 will enable us to fund our operating expenses and capital requirements into the second quarter of 2025.

Recent Developments

These are estimated timelines only and our pipeline may be subject to change.

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General Meeting to Approve the Authorization to Allot Shares in the Company and Grant Subscription and Conversion Rights Free From Pre-Emption Rights

On November 6, 2023, we held a general meeting where our shareholders approved resolutions granting our board of directors or any duly authorized committee of the board of directors the authority to allot shares in the Company or grant rights to subscribe for or to convert any security into shares in the Company free from pre-emption rights. Pursuant to such approval, our board of directors was authorized to allot shares up to an aggregate nominal amount of £1,928 free from statutory pre-emption rights.

Name Change to Barinthus Biotherapeutics plc

On November 6, 2023, the Company announced its renaming as Barinthus Biotherapeutics plc to represent the evolution and expansion of its focus beyond vaccines. The Company’s new name takes inspiration from “Barinthus”, the mythological navigator who guided King Arthur of Britain by ship to the island of Avalon to be healed when he was wounded. The story of the legendary king being guided to a place of healing is mirrored in our proprietary platforms and technology that are designed to guide the immune system to treat infectious diseases, autoimmunity and cancer. The Company announced that as part of the renaming, its ticker on Nasdaq was changed to BRNS, and the name change and ticker change became effective on Nasdaq on November 7, 2023.

Impact of Israel and Gaza Conflict

In respect of the international situation in Israel and Gaza, we have no operations or suppliers based in Israel or Gaza, and as a result, as of the date of this Quarterly Report on Form 10-Q, we believe the impact on the Company’s business, operations and financial condition will be minimal.

Impact of the Ukraine Crisis

In respect of the international situation in Ukraine, we have no operations or suppliers based in Ukraine, Belarus or Russia, and as a result, as of the date of this Quarterly Report on Form 10-Q, we believe the impact on the Company’s business, operations and financial condition will be minimal.

Impact of Global Economic Conditions and Inflationary Pressures

Instability in global economic conditions and geopolitical matters, as well as volatility in financial markets, could have a material adverse effect on the Company’s results of operations and financial condition. These inflationary pressures and rising interest rates in the United States, the United Kingdom and elsewhere have given rise to increasing concerns that the U.S., U.K. and other economies are now in, or may soon enter, economic recession. Sustained inflationary pressures, increased interest rates, an economic recession or continued or intensified disruptions in the global financial markets could adversely affect our future financing capability or ability to access the capital markets. Additionally, we may incur future increases in operating costs due to additional inflationary increases.

Components of Our Operating Results

Revenue

To date, we have not generated any revenue from direct product sales and do not expect to do so in the near future, if at all. Most of our revenue to date has been derived from the OUI License Agreement Amendment with OUI relating to Vaxzevria.

In April 2020, we entered into the OUI License Agreement Amendment with OUI in respect of our rights to use the ChAdOx1 technology in COVID-19 vaccines to facilitate the license of those rights by OUI to AstraZeneca. Under this agreement, we are entitled to receive from OUI a share of payments, including royalties and milestones, received by OUI from AstraZeneca in respect of this vaccine. In March 2022, we were notified by OUI of the commencement of revenue relating to the commercial sales of Vaxzevria. Our revenue for the three and nine months ending September 30, 2023 was $Nil and $0.8 million, respectively (three and nine months ending September 30, 2022: $6.2 million and $38.2 million, respectively), representing the amounts we have been notified of as due by OUI to date and an estimate of future receipts, constrained to the extent that it is probable that a significant reversal of revenue would not occur.

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We determined that we have no further performance obligations under the terms of the OUI License Agreement Amendment, which comprised the transfer of intellectual property rights only. Accordingly, we plan to recognize these and any future amounts as revenue when earned, and it is probable that a significant reversal of revenue will not occur.

Operating Expenses

Our operating expenses since inception have consisted of research and development costs and general and administrative costs.

Research and Development Expenses

Since our inception, we have focused significant resources on our research and development activities, including establishing and building on our adenovirus platform, further enhancing our in-licensed ChAdOx1, ChAdOx2 and MVA vectors, developing a new next-generation adenoviral vector, acquiring new technology platforms including SNAP (SNAP-TI and SNAP-CI), conducting preclinical studies, developing various manufacturing processes, and advancing clinical development of our programs including Phase 2 clinical trials for VTP-100, which we subsequently discontinued development of, as well as initiating the clinical trials for VTP-200, VTP-300, VTP-600 and VTP-850 and readying VTP-500, VTP-1000 and VTP-1100 for clinical trials. Research and development activities account for a large portion of our operating expenses, and we expect research and development expenses to increase in the future. Research and development costs are expensed as incurred. These costs include:

● salaries, benefits, and other related costs, including share-based compensation, for personnel engaged in research and development functions;

● expenses incurred in connection with the development of our programs including preclinical studies and clinical trials of our product candidates, under agreements with third parties, such as consultants, contractors, academic institutions and contract research organizations (“CRO”);

● the cost of manufacturing drug products for use in preclinical development and clinical trials, including agreements with third parties, such as contract manufacturing organizations, consultants and contractors;

● laboratory costs; and

● leased facility costs, equipment depreciation and other expenses, which include direct and allocated expenses.

General and Administrative Expenses

Our general and administrative expenses consist primarily of personnel-related expenses, including share-based compensation, in our executive, finance, business development and other administrative functions. Other general and administrative expenses include consulting fees and professional service fees for auditing, tax and legal services, rent expenses related to our offices, depreciation, foreign exchange gains and losses on our cash balances, other central non-research costs and changes in the fair value of contingent consideration. Significant judgment is used to determine the probability of success of achievement of the technology and clinical milestones and the date of the expected milestone. We expect our general and administrative expenses to continue to increase in the future as we expand our operating activities in both the United Kingdom and United States and potentially prepare for manufacturing and/or commercialization of our current and future product candidates. These costs will increase as our headcount rises to allow full support for our operations as a public company, including increased expenses related to legal, accounting, regulatory and tax-related services associated with maintaining compliance with requirements of the Nasdaq Global Market and the Securities and Exchange Commission, directors’ and officers’ liability insurance premiums and investor relations activities.

Other Income (Expense)

Interest Income

Interest income results primarily from the interest earned on our short-term cash deposits and cash balances held by Barinthus Biotherapeutics (UK) Limited.

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Research and Development Incentives

Research and development incentives contain payments receivable from the United Kingdom government related to corporation tax relief on research and development projects in the United Kingdom. We account for such relief received as other income.

The Company benefits from the United Kingdom research and development tax credit regime, being the Small and Medium-sized Enterprises R&D tax relief program, or SME Program, and, to the extent that our projects are grant funded or relate to work subcontracted to us by third parties, the Research and Development Expenditure Credit program, or RDEC Program.

Until March 2023 under the SME program, the Company was able to surrender some of its trading losses that arise from qualifying research and development activities for a cash rebate of up to 33.35% of such qualifying research and development expenditure. Qualifying expenditures largely comprise employment costs for research staff, consumables, outsourced contract research organization costs and utilities costs incurred as part of research projects. Certain subcontracted qualifying research and development expenditures are eligible for a cash rebate of up to 21.67%. A large portion of costs relating to research and development, clinical trials and manufacturing activities are eligible for inclusion within these tax credit cash rebate claims.

From April 2023 under the SME program the additional deduction has decreased from 130% to 86%, the SME credit rate has reduced from 14.5% to 10% and the SME cash rebate for the Company has reduced from 33.35% to 18.6% and from 21.67% to 12.1% for subcontractors.

The Company may not be able to continue to claim research and development tax credits under the SME program in the future because it may no longer qualify as a small or medium-sized company. In addition, the EU State Aid cap limits the total aid claimable in respect of a given project to €7.5 million which may impact the Company’s ability to claim R&D tax credits in future. Further, the U.K. Finance Act of 2021 introduced a cap on payable credit claims under the SME Program in excess of £20,000 with effect from April 2021 by reference to, broadly, three times the total Pay As You Earn, or PAYE, and National Insurance Contributions, or NICs, liability of the Company, subject to an exception which prevents the cap from applying. That exception requires the Company to be creating, taking steps to create or managing intellectual property, as well as having qualifying research and development expenditure in respect of connected parties, which does not exceed 15% of the total claimed. If such an exception does not apply, this could restrict the amount of payable credit that we claim.

Unsurrendered UK losses may be carried forward indefinitely to be offset against future taxable profits, subject to numerous utilization criteria and restrictions. The amount that can be offset each year is limited to £5.0 million plus an incremental 50% of UK taxable profits.

Critical Accounting Policies and Use of Estimates

This discussion and analysis of financial condition and results of operations is based on our unaudited condensed consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States, or U.S. GAAP. The preparation of unaudited condensed consolidated financial statements requires management to make estimates and judgments that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenue, income and expenses during the reporting period. On an ongoing basis, management evaluates its estimates, including those related to expenses, accruals and prepayments for external manufacturing of clinical trial material as well as clinical study conduct, fair value of contingent consideration, impairment of goodwill and intangible assets, and the fair value of ordinary shares and share-based compensation. Management bases its estimates on historical experience and on various other market-specific and relevant assumptions that management believes to be reasonable under the circumstances. Actual results could differ from those estimates.

We believe that the following accounting policies are critical to the process of making significant judgments and estimates in the preparation of our unaudited condensed consolidated financial statements and understanding and evaluating our reported financial results.

Research and Development Costs

Research and development costs are expensed as incurred. Research and development expenses consist of costs incurred in performing research and development activities, including salaries and bonuses, share-based compensation, employee benefits, facilities costs,

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laboratory supplies, depreciation, manufacturing expenses and external costs of vendors engaged to conduct preclinical development activities and clinical trials as well as the cost of licensing technology. Advance payments for goods or services to be received in the future for use in research and development activities are recorded as prepaid expenses. The prepaid amounts are then expensed as the related goods are delivered or the services are performed. Research and development costs are accrued when the related services or goods are delivered ahead of being billed.

Upfront payments, milestone payments and annual payments made for the licensing of technology are generally expensed as research and development in the period in which they are incurred. Incremental sublicense fees triggered by contracts with customers are capitalized and expensed as research and development expenses over the period in which the relating revenue is recognized.

Share-based Compensation

We grant options to employees and directors and account for share-based compensation using a fair value method. All of these arrangements are settled in equity at a predetermined price and generally vest over a period of three years. All share options have a life of 10 years before expiration. To the extent such incentives are in the form of share options, up until the first quarter of 2021, the options may have been granted pursuant bilateral EMI option awards or unapproved option awards. On April 8, 2021, we adopted the Barinthus Bio Share Award Plan 2021 (formerly, the Vaccitech plc Share Award Plan 2021) and the Barinthus Bio Non-Employee Sub-Plan (formerly, the Vaccitech plc Non-Employee Sub-Plan) which is a sub-plan of the Barinthus Bio Share Award Plan 2021. Under the terms of the Barinthus Bio Share Award Plan 2021, the Board is permitted to grant awards to employees as restricted share units, options, share appreciation rights or restricted shares. Upon adoption of the Barinthus Bio Share Award Plan 2021, no further awards are granted pursuant to the bilateral EMI option awards or unapproved option awards.

Share based compensation awards are measured at the grant date fair value. For service-based awards, compensation expense is generally recognized over the requisite service period of the awards, usually the vesting period. We apply the “multiple option” method of allocating expense. In applying this method, each vesting tranche of an award is treated as a separate grant and recognized on a straight-line basis over that tranche’s vesting period. For performance-based awards where the vesting of the awards may be accelerated upon the achievement of certain milestones, vesting and the related share-based compensation is recognized as an expense when it is probable the milestone will be met. We have elected to recognize the effect of forfeitures on share-based compensation when they occur. Any differences in compensation recognized at the time of forfeiture are recorded as a cumulative adjustment in the period where the forfeiture occurs.

We measure share-based awards granted to employees and directors based on the fair value on the date of grant using the Black-Scholes option-pricing model for options. Black-Scholes utilizes assumptions related to expected term, volatility, the risk-free interest rate and the dividend yield (which is assumed to be zero, as we have not paid any cash dividends). The volatility assumption utilizes both the Company’s historical volatility and those of a portfolio of listed peer companies, weighted towards the Company as we build the historical records following IPO.

The assumptions used in the Black-Scholes model to determine fair value for the share option grants during the nine months ended September 30, 2023 and 2022 were:

	Nine months		Nine months
	ended		ended
	September 30, 2023		September 30, 2022
Expected volatility	96.9	%	94.6	%
Expected term (years)	6.0		6.0
Risk-free interest rate	3.7	%	2.38	%
Expected dividend yield	0.0	%	0.0	%

For the nine months ended September 30, 2023, 2,221,706 share options were granted and 2,265,040 share options were granted for the nine months ended September 30, 2022.

Business Combinations

We acquired Avidea on December 10, 2021 and have accounted for the acquisition using the acquisition method of accounting. This required us to assess and make judgments as to whether the acquisition met the criteria of a business combination or an asset

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acquisition. In determining that the acquisition of Avidea met the criteria of a business combination we first used the “screen test” to assess whether substantially all of the fair value of the gross assets acquired is concentrated in a single identifiable asset or a group of similar identifiable assets. As the “screen test” was not met, as the identifiable assets were not substantially all of the fair value of the gross assets acquired, we then applied the “framework” for determining whether the acquired assets included at minimum, an input and substantive process that together significantly contribute to the ability to create output. We concluded that the framework criteria are met because the scientists make up an organized workforce that has the necessary skills, knowledge, or experience to perform processes that when applied to the developed technology (input) is critical to the ability to undertake research and development of a product that can be provided to a customer. The more than-insignificant amount of goodwill (including the fair value associated with the workforce) was also an indicator that management considered in determining that the workforce is performing a critical process. We therefore determined the acquisition to meet the definition of a business combination.

We recognize tangible and identifiable intangible assets acquired and liabilities assumed at their estimated fair values as of the acquisition date. Any excess purchase price over the estimated fair value assigned to the net tangible and identifiable intangible assets acquired and liabilities is allocated to goodwill.

We acquired Avidea for an up-front amount of $32.8 million (after working capital adjustments), of which $11.8 million was payable in cash and $21.0 million in 2,151,831 of American Depositary Shares of the Company. In addition, Avidea’s stockholders may be entitled to receive an aggregate of up to $40.0 million in additional payments, payable in a combination of cash and ADSs, upon the achievement of certain milestones. This contingent consideration is included within the purchase price and is recognized at its fair value on the acquisition date, and subsequently remeasured to fair value at each reporting date until the contingency is resolved. Changes in fair value are recognized in general and administrative expenses in the condensed consolidated statements of operations and comprehensive loss. The fair value of contingent consideration is based on the probability of pursuit of the activity associated with the milestone, the probability of success of the achievement of the milestone, the expected date of milestone achievement and applying the relevant discount rate.

Transaction costs are expensed as incurred in general and administrative expenses. Results of operations and cash flows of acquired companies are included in our operating results from the date of acquisition.

Goodwill and Purchased Intangible Asset

We test goodwill for impairment at least annually or more frequently if events or changes in circumstances indicate that the carrying amount of goodwill may not be recoverable. We have elected to assess goodwill for impairment by first performing a qualitative assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis of determining whether it is necessary to perform the quantitative goodwill impairment test. We have one reporting unit. Accordingly, our review of goodwill impairment indicators is performed at the entity-wide level. This requires us to assess and make judgments regarding a variety of factors, including clinical data results, business plans, anticipated future cash flows, economic projections and other market data. Because there are inherent uncertainties involved in these factors, significant differences between these estimates and actual results could result in future impairment charges and could materially impact our future financial results. The goodwill of $12.2 million as of September 30, 2023 wholly relates to the acquisition of Avidea on December 10, 2021. During the year ended December 31, 2022, the Company identified qualitative indicators of impairment due to a sustained decline in the price of the Company’s American Depositary Shares, whereby the market capitalization fell below the value of the net assets of the Company, which continued through to the third quarter of 2023. Therefore, the Company performed an interim assessment as of September 30, 2023 to determine whether it is more likely than not that the fair value of the reporting unit is less than its carrying amount. Based off this assessment, the Company has not recognized any impairment losses related to goodwill or intangible assets for the three or nine months ending September 30, 2023.

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Results of Operations

Comparison of the Three Months Ended September 30, 2023 and 2022

The following table sets forth the significant components of our results of operations (in thousands):

	Three months		Three months
	ended September		ended September
	30, 2023		30, 2022		Change
Revenue from Licenses, Grants & Services	$	—	$	6,165	$	(6,165)
Operating expenses:
Research & development		15,144		9,744		5,400
General and administrative		961		(10,815)		11,776
Total operating expenses		16,105		(1,071)		17,176
(Loss)/income from operations		(16,105)		7,236		(23,341)
Other income (expense)
Interest income		196		1,024		(828)
Interest expense		(7)		11		(18)
Research and development incentives		1,205		(724)		1,929
Other expense		(2)		—		(2)
Total other income		1,392		311		1,081
(Loss)/profit before income tax		(14,713)		7,547		(22,260)
Tax benefit		603		674		(71)
Net (loss)/income	$	(14,110)	$	8,221	$	(22,331)

Revenue

For the three months ended September 30, 2023, and 2022, our revenue consisted of $Nil and $6.2 million respectively, from the OUI License Agreement Amendment with respect to payments from OUI in connection with commercial sales of Vaxzevria. There is no guarantee that such payments will be made in the future and, if they do, that we will be notified of such payments in a timely manner.

Research and Development Expenses

The following table summarizes our research and development expenses for the three months ended September 30, 2023 and 2022 (in thousands):

	Three months		Three months
	ended September		ended September
	30, 2023		30, 2022		Change
Direct research and development expenses by program:
VTP-200 HPV	$	1,288	$	1,310	$	(22)
VTP-300 HBV		4,877		2,418		2,459
VTP-600 NSCLC		155		111		44
VTP-850 Prostate cancer		1,724		1,160		564
VTP-1000/VTP-1100 Celiac/HPV Cancer		2,507		—		2,507
Other and earlier stage programs		1,069		1,687		(618)
Total direct research and development expenses		11,620		6,686		4,934
Indirect research and development expenses:
Personnel-related (including share-based compensation)		2,711		2,626		85
Facility-related		368		308		60
Other internal costs		445		124		321
Total indirect research and development expenses		3,524		3,058		466
Total research and development expenses	$	15,144	$	9,744	$	5,400

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Our research and development expenses for the three months ended September 30, 2023 and 2022 were $15.1 million and $9.7 million, respectively.

Direct expenses for the three months ended September 30, 2023 and 2022 were $11.6 million and $6.7 million, respectively, and consisted of outside services, consultants, laboratory materials, clinical trials, manufacturing of clinical trial materials, as well as costs for external preclinical services and sample testing. Of the $4.9 million increase, $2.5 million pertains to the commencement of VTP-1000 Celiac disease and VTP-1100 HPV cancer programs in IND-enabling studies, costs related to these studies appear in other and earlier stage programs in the prior period. In addition, VTP-300 HBV increased by $2.5 million mainly due to an increase in clinical trial cost and manufacturing development costs following the dosing of the first patient in HBV003, a Phase 2b clinical trial of VTP-300, in October 2022. These increases were offset by a $0.6 million decrease related to other and early stage programs due to the commencement of VTP-1000 Celiac disease and VTP-1100 HPV cancer programs.

Indirect research and development expenses for the three months ended September 30, 2023 and 2022 were $3.5 million and $3.1 million, respectively. Of the $0.5 million increase, $0.3 million related to the increase in our research and development overhead costs.

General and Administrative Expenses

General and administrative expenses for the three months ended September 30, 2023 were $1.0 million, which were primarily attributable to personnel-related expenses of $3.4 million, including share-based compensation expenses of $0.8 million, facility related costs of $1.6 million, legal and professional fees of $1.0 million and insurance costs of $0.5 million, partially offset by foreign exchange gains of $6.6 million.

General and administrative expenses for the three months ended September 30, 2022 were a gain of $10.8 million, due to a foreign exchange gain of $18.7 million primarily on revaluation of cash balances due to the fluctuations between the United States dollar and pound sterling exchange rates. This gain was partially offset by personnel-related expenses of $2.8 million, including share-based compensation expenses of $0.6 million, insurance costs of $1.5 million, legal and professional fees of $2.3 million and a contingent consideration adjustment of $0.3 million.

Interest Income

For the three months ended September 30, 2023 and 2022, interest income was $0.2 million and $1.0 million, respectively, resulting from the interest earned on our short-term cash deposits held by Barinthus Biotherapeutics (UK) Limited.

Research and Development Incentives

For the three months ended September 30, 2023, research and development incentives were $1.2 million. Such research and development incentives relate to corporation tax relief on research and development projects incentive programs in the United Kingdom. For the three months ended September 30, 2022, research and development incentives were an expense of $0.7 million as a result of a reduction in forecast losses available to surrender for the receipt of research and development incentive in Barinthus Biotherapeutics (UK) Limited.

Tax benefit

For the three months ended September 30, 2023 and 2022, the tax benefit was $0.6 million and $0.7 million respectively, which primarily relates to movements in deferred tax.

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Comparison of the Nine Months Ended September 30, 2023 and 2022

The following table sets forth the significant components of our results of operations (in thousands):

	Nine months		Nine months
	ended September		ended September
	30, 2023		30, 2022		Change
Revenue from Licenses, Grants & Services	$	802	$	38,246	$	(37,444)
Operating expenses:
Research & development		38,501		30,165		8,336
General and administrative		26,227		(12,971)		39,198
Total operating expenses		64,728		17,194		47,534
(Loss)/income from operations		(63,926)		21,052		(84,978)
Other income (expense)
Interest income		2,306		1,776		530
Interest expense		(21)		3		(24)
Research and development incentives		2,921		1,150		1,771
Other income		308		51		257
Total other income		5,514		2,980		2,534
(Loss)/profit before income tax		(58,412)		24,032		(82,444)
Tax benefit		2,255		2,452		(197)
Net (loss)/income	$	(56,157)	$	26,484	$	(82,641)

Revenue

For the nine months ended September 30, 2023, and 2022, our revenue consisted of $0.8 million and $38.2 million respectively, primarily from the OUI License Agreement Amendment with respect to payments from OUI in connection with commercial sales of Vaxzevria. There is no guarantee that such payments will be made in the future and, if they do, that we will be notified of such payments in a timely manner.

Research and Development Expenses

The following table summarizes our research and development expenses for the nine months ended September 30, 2023 and 2022 (in thousands):

	Nine months		Nine months
	ended September		ended September
	30, 2023		30, 2022		Change
Direct research and development expenses by program:
VTP-200 HPV	$	4,463	$	3,271	$	1,192
VTP-300 HBV		10,752		10,964		(212)
VTP-600 NSCLC		509		349		160
VTP-850 Prostate cancer		2,181		2,959		(778)
VTP-1000/VTP-1100 Celiac/HPV Cancer		7,097		—		7,097
Other and earlier stage programs		2,050		3,933		(1,883)
Total direct research and development expenses		27,052		21,476		5,576
Indirect research and development expenses:
Personnel-related (including share-based compensation)		9,700		7,549		2,151
Facility related		941		888		53
Other internal costs		808		252		556
Total indirect research and development expenses		11,449		8,689		2,760
Total research and development expenses	$	38,501	$	30,165	$	8,336

Our research and development expenses for the nine months ended September 30, 2023 and 2022 were $38.5 million and $30.2 million, respectively.

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Direct expenses for the nine months ended September 30, 2023 and 2022 were $27.1 million and $21.5 million, respectively, and consisted of outside services, consultants, laboratory materials, clinical trials, manufacturing of clinical trial materials, as well as costs for external preclinical services and sample testing. Of the $5.6 million increase, $7.1 million pertains to the commencement of VTP-1000 Celiac disease and VTP-1100 HPV cancer programs, costs related to these studies appear in other and earlier stage programs in the prior period. In addition, $1.2 million of the increase pertains to VTP-200 due to the HPV001 phase 1b/2 clinical trial enrollment completing in January 2023, with safety and immunogenicity data presented at the 35^th Annual International Papillomavirus Conference in April 2023. These increases were partially offset by $1.9 million decrease related to other and early stage programs due to the commencement of VTP-1000 Celiac disease and VTP-1100 HPV cancer programs which were included in other and earlier stage programs during the nine months to September 30, 2022.

Indirect research and development expenses for the nine months ended September 30, 2023 and 2022 were $11.4 million and $8.7 million, respectively. Of the $2.8 million increase, $2.2 million pertains to personnel-related expenses as a result of an increase in headcount across locations in the United Kingdom and United States, partially offset by a decrease in share-base compensation expenses due to forfeitures.

General and Administrative Expenses

General and administrative expenses for the nine months ended September 30, 2023 were $26.2 million mainly attributable to personnel-related expenses of $9.6 million, including share-based compensation expenses of $2.9 million, legal and professional fees of $3.7 million, insurance costs of $3.2 million, facility related costs of $2.9 million, amortization of intangible assets of $2.4 million and foreign exchange loss of $1.1 million.

General and administrative expenses for the nine months ended September 30, 2022 were a gain of $13.0 million, due to a foreign exchange gain of $39.1 million primarily on revaluation of cash balances due to the fluctuations between the United States dollar and pound sterling exchange rates. This gain was partially offset by personnel-related expenses of $12.1 million, including share-based compensation expenses of $5.8 million, insurance costs of $4.8 million, legal and professional fees of $4.6 million and a contingent consideration adjustment of $0.9 million.

Interest Income

For the nine months ended September 30, 2023 and 2022, interest income was $2.3 million and $1.8 million resulting from the interest earned on our short-term cash deposits held by Barinthus Biotherapeutics (UK) Limited.

Research and Development Incentives

For the nine months ended September 30, 2023, research and development incentives were $2.9 million. Such research and development incentives relate to corporation tax relief on research and development projects incentive programs in the United Kingdom. For the nine months ended September 30, 2022, research and development incentives were $1.2 million as a result of a reduction in forecast losses available to surrender for the receipt of research and development incentive in Barinthus Biotherapeutics (UK) Limited.

Tax benefit

For the nine months ended September 30, 2023 and 2022, the tax benefit was $2.3 million and $2.5 million respectively, which primarily relates to movements in deferred tax.

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Liquidity and Capital Resources

Sources of Liquidity

Since our inception, we have funded our operations primarily through private and public placements of our ordinary and preferred shares as well as from grants and research incentives, various agreements with public funding agencies, the issuance of convertible loan notes, and most recently from upfront, royalty and milestone payments from OUI in connection with the OUI License Agreement Amendment. Through September 30, 2023, we received gross proceeds of approximately $327.6 million from the issuance of our ordinary and preferred shares and convertible loan notes. As of September 30, 2023, we had cash and cash equivalents of $160.3 million. Key financing and corporate milestones include the following:

● In March 2016, we raised gross proceeds of approximately $14.0 million from the issuance of our seed round of ordinary shares;

● Between November 2017 and December 2018, we raised gross proceeds of $33.9 million from the issuance of our series A shares;

● Between July 2020 and November 2020, we raised gross proceeds of $41.2 million from the issuance of convertible loan notes;

● In March 2021, we raised gross proceeds of $125.2 million from the issuance of our series B shares;

● In May 2021, we raised gross proceeds of $110.5 million from the initial public offering of our ordinary shares on NASDAQ;

● Between April 2022 and September 2023, we received $44.5 million of cash from OUI for the commercial sales of Vaxzevria;

● Between December 2022 and September 2023, we raised net proceeds of $2.7 million from the issuance of shares represented by ADSs through “at-the-market” offerings under the sales agreement with Jefferies LLC.

On August 9, 2022, we filed a Registration Statement on Form S-3, as amended, or the Shelf, with the Securities and Exchange Commission in relation to the registration and potential future issuance of ordinary shares, including ordinary shares represented by ADSs, debt securities, warrants and/or units of any combination thereof in the aggregate amount of up to $200.0 million. The Shelf was declared effective on August 17, 2022. We also simultaneously entered into a sales agreement with Jefferies LLC, as sales agent, providing for the offering, issuance and sale by us of up to an aggregate of $75.0 million of our ordinary shares represented by ADSs from time to time in “at-the-market” offerings under the Shelf. As of September 30, 2023, we have sold 1,064,587 ordinary shares represented by ADSs under the sales agreement amounting to net proceeds of $2.7 million.

We do not currently expect positive cash flows from operations in the foreseeable future, if at all. In most periods, we have incurred operating losses as a result of ongoing efforts to develop our heterologous ChAdOx1-MVA prime-boost immunotherapy platform and our product candidates, including conducting ongoing research and development, preclinical studies, clinical trials, providing general and administrative support for these operations and developing our intellectual property portfolio. We expect to continue to incur net negative cash flows from operations for at least the next few years as we progress clinical development, seek regulatory approval, prepare for and, if approved, proceed to manufacture and commercialization of our most advanced product candidates. Operating profits may arise earlier if programs are licensed or sold to third parties before final approval, but this cannot be guaranteed.

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Cash Flows

The following table sets forth a summary of the primary sources and uses of cash (in thousands) for each period presented:

	Nine months		Nine months
	ended September		ended September
	30, 2023		30, 2022
Net cash used in operating activities	$	(31,322)	$	(3,088)
Net cash used in investing activities		(5,566)		(5,164)
Net cash provided by/(used in) financing activities		1,763		(159)
Effect of exchange rates on cash and cash equivalents		1,049		(5,539)
Net (decrease)/increase in cash and cash equivalents	$	(34,076)	$	(13,950)

Cash Used in Operating Activities

During the nine months ended September 30, 2023, net cash used in operating activities was $31.3 million, primarily resulting from our net loss of $56.2 million adjusted by share based compensation of $4.3 million, depreciation and amortization of $4.0 million, non-cash lease expenses of $0.8 million, foreign exchange loss of $0.9 million, deferred tax benefit of $2.3 million, and changes in our operating assets and liabilities, net of $17.1 million primarily related to a $5.8 million decrease in accounts receivable, a $5.2 million decrease in prepaid expenses and other current assets, and a $5.2 million increase in accrued expenses.

During the nine months ended September 30, 2022, net cash used in operating activities was $3.1 million, primarily driven by our net income of $26.5 million resulting from $38.2 million in revenue, adjusted by foreign exchange gain of $36.6 million, share based compensation of $7.8 million, depreciation and amortization of $3.1 million, non-cash lease expenses of $0.8 million, and changes in our operating assets and liabilities, net of $2.9 million primarily resulting from the OUI receivable for the third quarter revenue, and an increase in prepaid expenses due to the payment of annual insurance premiums that occurred in the second quarter, netted by an increase in accrued expenses.

Net Cash Used in Investing Activities

During the nine months ended September 30, 2023, cash used in investing activities was $5.6 million primarily resulting from capital expenditures related to leasehold improvements on our new office in Germantown, Maryland, United States. During the nine months ended September 30, 2022, cash used in investing activities was $5.2 million primarily resulting from capital expenditures related to our new headquarters in Harwell, United Kingdom.

Net Cash Provided by/(Used in) Financing Activities

During the nine months ended September 30, 2023, cash provided by financing activities was $1.8 million mainly as a result of net proceeds from the issuance of ordinary shares through the “at-the-market” sales agreement. During the nine months ended September 30, 2022, cash used in financing activities was $0.2 million resulting from the repayment of debt incurred previously by the acquired company Avidea (acquired on December 10, 2021), and subsequently became Barinthus Biotherapeutics North America, Inc.

Effect of exchange rates on cash and cash equivalents

During the nine months ended September 30, 2023 and 2022, the effect of foreign exchange on cash and cash equivalents was gain of $1.0 million and loss of $5.5 million respectively, primarily as a result of fluctuations between the United States dollar and pound sterling exchange rates.

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Future Funding Requirements

To date, we have devoted substantially all of our resources to organizing and staffing our company, business planning, raising capital, undertaking preclinical studies and conducting clinical trials of our product candidates. As a result, we have incurred losses in each year since our inception in 2016, through to December 31, 2021. We were profitable in 2022, however we have negative operating cash flows for the period ended September 30, 2023. As of September 30, 2023, we had an accumulated deficit of $159.3 million. We expect to continue to incur significant losses and negative cash flows from operations for the foreseeable future. We anticipate that our expenses will increase substantially as we:

● pursue the clinical and preclinical development of our current product candidates;

● use our technologies to advance additional product candidates into preclinical and clinical development;

● seek marketing authorizations for product candidates that successfully complete clinical trials, if any;

● attract, hire and retain additional clinical, regulatory, quality control and other scientific personnel;

● establish our manufacturing capabilities through third parties or by ourselves and scale-up manufacturing to provide adequate supply for clinical trials and commercialization, including any manufacturing finishing and logistics personnel;

● expand our operational, financial and management systems and increase personnel appropriately, including personnel to support our manufacturing and commercialization efforts and our operations as a public company;

● maintain, expand, enforce, and protect our intellectual property portfolio as appropriate;

● establish sales, marketing, medical affairs and distribution teams and infrastructure to commercialize any products for which we may obtain marketing approval and intend to commercialize on our own or jointly;

● acquire or in-license other companies, product candidates and technologies; and

● incur additional legal, accounting and other expenses in operating our business, including office expansion and the additional costs associated with operating as a public company.

Even if we succeed in commercializing one or more of our product candidates, we will continue to incur substantial research and development and other expenditure to develop and market additional product candidates. We may encounter unforeseen expenses, difficulties, complications, delays and other factors that may adversely affect our business. The size of our future net losses will depend on the rate of future growth of our expenses combined with our ability to generate revenue. Our prior losses and expected future losses have had and will continue to have an adverse effect on our shareholders’ equity and working capital unless and until eliminated by revenue growth.

We may require substantial additional financing in the future to meet any such unanticipated factors and a failure to obtain this necessary capital could force us to delay, limit, reduce or terminate our product development programs, commercialization efforts or other operations.

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Since our foundation, we have invested a significant portion of our efforts and financial resources in research and development activities for our ChAdOx1, ChAdOx2 and MVA technologies, acquisition of additional complementary platforms such as VTP-1000 and VTP-1100, development of new technologies in house, and our product candidates derived from these technologies. Preclinical studies and especially clinical trials and additional research and development activities will require substantial funds to complete. We believe that we will continue to expend substantial resources for the foreseeable future in connection with the development of our current product candidates and programs as well as any future product candidates we may elect to pursue, as well as the gradual gaining of control over our required manufacturing capabilities and other corporate functions. These expenditures will include costs associated with conducting preclinical studies and clinical trials, obtaining regulatory approvals, and potentially in-house manufacturing and supply, as well as marketing and selling any products approved for sale. In addition, other unanticipated costs may arise as outlined above. Because the outcome of any preclinical study or clinical trial is uncertain and the rate of change of third-party costs is also unpredictable, we cannot reasonably estimate now the actual amounts which will be necessary to complete the development and commercialization of our current or future product candidates successfully.

Our future capital requirements may depend on many factors, including:

● the scope, progress, results and costs of researching and developing our current and future product candidates and programs, and of conducting preclinical studies and clinical trials;

● the number and development requirements of other product candidates that we may pursue, and of other indications for our current product candidates that we may pursue;

● the stability, scale and yield of future manufacturing processes as we scale-up production and formulation of our product candidates either internally or externally for later stages of development and commercialization;

● the timing of success achieved and the costs involved in obtaining regulatory and marketing approvals and developing our ability to establish license or sale transactions and/or sales and marketing capabilities, if any, for our current and future product candidates if clinical trials and approval processes are successful;

● the success of our collaborations with CanSino, CRUK and the Ludwig Institute and any future collaboration partners;

● the success of OUI’s licensed product candidate with AstraZeneca;

● our ability to establish and maintain collaborations, strategic licensing or other arrangements and the financial terms of such agreements;

● the cost to the company of commercialization activities for our current and future product candidates that we may take on, whether alone or with a collaborator;

● the costs involved in preparing, filing, prosecuting, maintaining, expanding, defending and enforcing patent and other intellectual property claims, including litigation costs and the outcome of such litigation;

● the timing, receipt and amount of sales of, or royalties or other income from, our future products, if any; and

● the emergence and success or otherwise of competing oncology and infectious disease therapies and other market developments.

A change in the outcome of any of these or other variables with respect to the development of any of our current and future product candidates could significantly change the costs and timing associated with the development of that product candidate, in either direction. Furthermore, our operating plans may change in the future owing to research outcomes or other opportunities, and we may need additional funds to meet operational needs and capital requirements associated with such altered operating plans. Unless and until we can generate a substantial amount of revenue from our product candidates, we expect to finance our future cash needs through public or private equity offerings, debt financings, collaborations, licensing arrangements or other sources, or any combination of the foregoing.

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Based on our research and development plans, we expect that our existing cash and cash equivalents and other financial resources, will enable us to fund our operating expenses and capital expenditure requirements into the second quarter of 2025. These estimates are based on assumptions that may prove to be wrong, and we could use our available capital resources more quickly than we expect.

If we raise additional funds through collaborations, strategic alliances, distribution or licensing arrangements with third parties, we may have to relinquish valuable rights to our technologies, future revenue streams or product candidates or grant licenses on terms that may not be favorable to us. If we are unable to raise additional funds when needed, we would be required to delay, limit, reduce or terminate our product development or future commercialization efforts or grant rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves.

Lease, Purchase, and Other Obligations

We have operating lease obligations related to our property, plant and equipment. The obligations related to both short- and long-term lease arrangements are set forth in Note 14 “Commitment and Contingencies” to our condensed consolidated financial statements.

We enter into contracts in the normal course of business with CROs and other third parties for clinical trials and preclinical research studies and testing. These contracts are generally cancellable by us upon prior notice. Payments due upon cancellation consist only of payments for services provided or expenses incurred, including noncancellable obligations of our service providers, up to the date of cancellation.

We have contingent payment obligations that we may incur upon achievement of clinical, regulatory and commercial milestones, as applicable, or royalty payments that we may be required to make under our licenses; however, the amount, timing and likelihood of such payments are not known as of September 30, 2023.

Emerging Growth Company Status

We are an emerging growth company under the Jumpstart Our Business Startups Act of 2012, as amended, or the JOBS Act. As an emerging growth company, we may delay the adoption of certain accounting standards until those standards would otherwise apply to private companies.

We will remain an emerging growth company until the earliest of (1) the last day of the fiscal year (a) following the fifth anniversary of the date of the closing of our IPO, (b) in which we have total annual gross revenue of at least $1.235 billion, or (c) in which we are deemed to be a “large accelerated filer” as defined in Rule 12b-2 under the Exchange Act, which would occur if the market value of our ADSs held by non-affiliates exceeded $700.0 million as of the prior June 30th, and (2) the date on which we have issued more than $1.0 billion in non-convertible debt securities during the prior three-year period.

Recent Accounting Pronouncements

A description of recently issued accounting pronouncements that may potentially impact our financial position and results of operations is disclosed in Note 2 to our condensed consolidated financial statements.

Item 3.    Quantitative and Qualitative Disclosure About Market Risk

Foreign Currency and Currency Translation

We are subject to the risk of fluctuations in foreign currency exchange rates, specifically with respect to the euro, pound sterling, Swiss franc and Australian dollar. Our reporting currency is the United States dollar, and the functional currency of Barinthus Biotherapeutics plc and its consolidated subsidiaries, Barinthus Biotherapeutics (UK) Limited and Vaccitech Oncology Limited, is the pound sterling. The functional currency of our wholly owned foreign subsidiary, Barinthus Biotherapeutics North America, Inc. is the United States dollar. The functional currency of our wholly owned foreign subsidiary, Vaccitech Australia Pty, is the Australian dollar. The functional currency of our wholly owned foreign subsidiary, Barinthus Biotherapeutics Italia S.R.L, is the euro. The functional currency of our wholly owned foreign subsidiary, Barinthus Biotherapeutics Switzerland GmbH, is the Swiss franc. Our cash and cash equivalents as of September 30, 2023 consisted primarily of cash balances held by Barinthus Biotherapeutics (UK) Limited in United States dollars.

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Assets and liabilities are translated into United States dollars at the exchange rate in effect on the balance sheet date. Revenue and expenses are translated at the average exchange rate in effect during the period. Translation adjustments are included in the condensed consolidated Balance Sheets as a component of accumulated other comprehensive loss. Adjustments that arise from exchange rate changes on transactions denominated in a currency other than the local currency are included in operating expenses, net in the condensed consolidated Statements of Operations and Comprehensive Loss as incurred.

We incur significant operating costs in the U.K. and face exposure to changes in the exchange ratio of the United States dollar and the pound sterling arising from expenses and payables at our U.K. operations that are settled in pound sterling. For the three months ended September 30, 2023, an average 10% weakening in the United States dollar relative to the pound sterling would have resulted in an immaterial change to our expenses denominated in pound sterling for the three months ended September 30, 2023 and 2022.

Interest Rate Sensitivity

We are not currently exposed significantly to market risk related to changes in interest rates, as we have no significant interest-bearing liabilities. We had cash and cash equivalents of $160.3 million as of September 30, 2023, which were primarily held as account balances with banks in the United Kingdom, United States and Australia. A hypothetical 10% relative change in interest rates during any of the periods presented would not have had a material impact on our condensed consolidated financial statements.

Item 4.    Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures (as defined in Rule 13a15(e) and 15d-15(e) under the Exchange Act) as of September 30, 2023. Based on this evaluation, we concluded that as of September 30, 2023 our disclosure controls and procedures were not effective due to the material weaknesses previously identified and disclosed not being remediated as of September 30, 2023. The term “disclosure controls and procedures”, means controls and other procedures of a company that are designed to provide reasonable assurance that the information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to provide reasonable assurance that the information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the Company’s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate, to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures.

Management previously reported, in our Annual Report on Form 10-K for the year ended December 31, 2022, material weaknesses in our internal control over financial reporting related to: (i) our IT general control environment has not been sufficiently designed to include appropriate user access rights, and design and implementation of controls over program development, program changes and computer operations, and (ii) policies and procedures with respect to the review, supervision and monitoring of our accounting and reporting functions were either not designed and in place or not operating effectively.

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Remediation Efforts

During fiscal year 2022, we undertook efforts to remediate previously disclosed material weaknesses, including assessing and identifying risks to financial reporting over all business processes impacting financial reporting and implementation of controls over critical accounting policies and estimates. Some business process controls over critical accounting policies and estimates established in the fiscal year that were dependent on systems without effective IT general controls were deemed ineffective because they could be adversely impacted by the lack of system controls. Our internal control remediation efforts have continued during 2023 and focus on the areas detailed below.

Planned Remediation Activities

(i) IT general controls

We are taking measures to address the IT environment and have implemented a new enterprise resource planning, or ERP system, and are progressing controls design and operation over program development, program changes, computer operations and access rights.

For the new ERP system and all other IT systems deemed significant to financial reporting, we are in the process of implementing: (i) program change management controls to ensure that IT program and data changes affecting financial IT applications and underlying accounting records are identified, tested, authorized, and implemented appropriately; (ii) user access controls to ensure appropriate segregation of duties exist, to adequately restrict user and privileged access to certain financial applications, programs and data to appropriate company personnel; (iii) computer operations controls to ensure that critical batch jobs are monitored and data backups are authorized and monitored, (iv) testing and approval controls for program development to ensure that changes are aligned with business and IT requirements, and (v) identification and testing of system-generated information and calculations used in the execution of manual controls.

(ii) policies and procedures with respect to the review, supervision and monitoring of our accounting and reporting functions

We are continuing to take measures to address this material weakness, which includes hiring appropriate personnel whose roles are to enhance policies and procedures with respect to the review, supervision, formalization and monitoring of our accounting and reporting functions. Additionally, we plan to enhance business process controls through the following activities:

● continue to evaluate and refine the design, implementation, and documentation of the internal controls to ensure controls address the relevant risks, are properly designed, and provide appropriate evidence of the Company’s performance;

● enhance the design of controls that address the completeness and accuracy of reports being utilized in the execution of internal controls;

● continue to evaluate the assignment of responsibilities associated with the performance of control activities and consider hiring additional resources, obtaining third party assistance, or providing additional training to existing resources; and

● further develop and execute a testing protocol that allows the Company to validate the operating effectiveness of certain controls over financial reporting to gain assurance that such controls are presented and functioning as designed.

As we monitor and evaluate our internal control over financial reporting, we will continue to assess the effectiveness of our remediation plan and prioritize our resources.

Notwithstanding the ineffective disclosure controls and procedures as a result of the identified material weaknesses, management has concluded that the condensed consolidated financial statements included elsewhere in this Quarterly Report on Form 10-Q present fairly, in all material respects, the Company’s financial position, results of operations and cash flows in accordance with U.S. GAAP.

Changes in Internal Control over Financial Reporting

Other than the changes related to the ongoing remediation activities related to the material weaknesses noted above, no change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) occurred during the three months ended September 30, 2023 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II - OTHER INFORMATION

Item 1.    Legal Proceedings.

From time to time, we may become subject to various legal proceedings and claims that arise in the ordinary course of our business activities. Although the results of litigation and claims cannot be predicted with certainty, as of September 30, 2023, we do not believe we are party to any claim or litigation the outcome of which, if determined adversely to us, would individually or in the aggregate be reasonably expected to have a material adverse effect on our business. Regardless of the outcome, litigation can have an adverse impact on us because of defense and settlement costs, diversion of management resources and other factors.

Item 1A    Risk Factors.

There have been no material changes from the risk factors previously disclosed in the Company’s most recent Annual Report on Form 10-K as filed with the SEC on March 24, 2023.

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report contains express or implied forward-looking statements that involve substantial risks and uncertainties. In some cases, you can identify forward-looking statements by the words “may,” “might,” “will,” “could,” “would,” “should,” “expect,” “intend,” “plan,” “objective,” “anticipate,” “believe,” “estimate,” “predict,” “potential,” “continue,” “ongoing,” or the negative of these terms, or other comparable terminology intended to identify statements about the future. These statements involve known and unknown risks, uncertainties and other important factors that may cause our actual results, levels of activity, performance or achievements to be materially different from the information expressed or implied by these forward-looking statements. The forward-looking statements and opinions contained in this Quarterly Report are based upon information available to our management as of the date of this Quarterly Report and, while we believe such information forms a reasonable basis for such statements, such information may be limited or incomplete, and our statements should not be read to indicate that we have conducted an exhaustive inquiry into, or review of, all potentially available relevant information. Forward-looking statements contained in this Quarterly Report include, but are not limited to, statements about:

● the success, cost and timing of our product development activities and clinical trials;

● the timing, scope or likelihood of regulatory filings and approvals, including timing of Investigational New Drug Application and Biological License Application filings for our current and future product candidates, and final U.S. Food and Drug Administration, European Medicines Agency, United Kingdom Medicines and Healthcare products Regulatory Agency or other foreign regulatory authority approval of our current and future product candidates;

● our ability to develop and advance our current and future product candidates and programs into, and successfully complete, clinical trials;

● our ability to establish future or maintain current collaborations or strategic relationships or obtain additional funding;

● the rate and degree of market acceptance and clinical utility of our current and future product candidates;

● any expectations surrounding the payments we could potentially receive pursuant to the AstraZeneca License Agreement;

● the ability and willingness of our third-party collaborators to continue research and development activities relating to our product candidates;

● our and our collaborators’ ability to obtain, maintain, defend and enforce our intellectual property protection for our product candidates, and the scope of such protection;

● our manufacturing, commercialization and marketing capabilities and strategy;

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● future agreements with third parties in connection with the commercialization of our product candidates and any other approved products;

● regulatory developments in the United States and foreign countries;

● competitive companies, technologies and our industry and the success of competing therapies that are or may become available;

● our ability to attract and retain key scientific or management personnel;

● our ability to obtain funding for our operations, including funding necessary to complete further development and commercialization of our product candidates;

● the accuracy of our estimates of our annual total addressable markets, future revenue, expenses, capital requirements and needs for additional financing;

● our expectations about market trends;

● the impact of global economic and political developments on our business, including rising or sustained high inflation and capital market disruptions, the current conflict in Ukraine, the conflict in Israel and Gaza, disruptions in the banking industry, economic sanctions and economic slowdowns or recessions that may result from such developments which could harm our research and development efforts as well as the value of our ordinary shares and ability to access capital markets; and

● our expectations regarding the period during which we qualify as an emerging growth company under the Jumpstart Our Business Startups Act of 2012, as amended.

If our forward-looking statements prove to be inaccurate, the inaccuracy may be material. In light of the significant uncertainties in these forward-looking statements, you should not regard these statements as a representation or warranty by us or any other person that we will achieve our objectives and plans in any specified time frame, or at all. We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. You should read this Quarterly Report and the documents that we reference in this Quarterly Report with the understanding that our actual future results may be materially different from what we expect. We qualify all of our forward-looking statements in this Quarterly Report by these cautionary statements.

This Quarterly Report contains summaries of certain provisions contained in some of the documents described herein, but reference is made to the actual documents for complete information. All of the summaries are qualified in their entirety by the actual documents. Unless the context otherwise requires, reference in this Quarterly Report to the terms “Barinthus Bio,” “the Company,” “we,” “us,” “our,” and similar designations refer to Barinthus Biotherapeutics plc and, where appropriate, our wholly-owned subsidiaries. As used herein, all references before November 7, 2023 to (i) Barinthus Biotherapeutics plc shall refer to Vaccitech plc, (ii) Barinthus Biotherapeutics (UK) Limited shall refer to Vaccitech (UK) Limited, (iii) Barinthus Biotherapeutics North America, Inc. shall refer to Vaccitech North America, Inc., (iv) Barinthus Biotherapeutics Switzerland GmbH shall refer to Vaccitech Switzerland GmbH and (v) Barinthus Biotherapeutics Italia S.R.L. shall refer to Vaccitech Italia S.R.L. after which the name change described herein shall have taken effect.

Item 2.    Unregistered Sales of Equity Securities and Use of Proceeds.

Set forth below is information regarding shares of equity securities sold, and options granted, by us during the three months ended September 30, 2023 that were not registered under the Securities Act.

Recent Sales of Unregistered Equity Securities

None.

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Use of Proceeds from Initial Public Offering

On May 4, 2021, we completed our initial public offering, or the IPO, of 6,500,000 ADSs at a price of $17.00 per ADS for an aggregate offering price of approximately $110.5 million. Morgan Stanley & Co., Jefferies LLC, Barclays Capital Inc., William Blair & Company, L.L.C. and H.C. Wainwright & Co., LLC served as the underwriters of the IPO. The offer and sale of all of the ADSs in the offering were registered under the Securities Act pursuant to a registration statement on Form S-1 (File No. 333-255158), which became effective on April 29, 2021.

We received aggregate net proceeds from the offering of approximately $102.8 million, after deducting underwriting discounts and commissions, as well as other offering expenses. No offering expenses were paid directly or indirectly to any of our directors or officers (or their associates) or persons owning ten percent or more of any class of our equity securities or to any other affiliates.

There has been no material change in our planned use of the net proceeds from the IPO as described in the final prospectus filed with the SEC pursuant to Rule 424(b) under the Securities Act.

Item 3.    Defaults Upon Senior Securities.

Not Applicable.

Item 4.    Mine Safety Disclosures.

Not Applicable.

Item 5.    Other Information.

None.

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Item 6.    Exhibits.

Exhibit Number	Description
3.1	Articles of Association of the Registrant (Incorporated herein by reference to Exhibit 3.1 to the Registrant’s Form 8-K (File No. 001-40367) filed with the Securities and Exchange Commission on May 10, 2021).
10.1*	Compensation Recovery Policy
31.1*	Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**	Certification of Principal Executive Officer and Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS*	Inline XBRL Instance Document
101.SCH*	Inline XBRL Taxonomy Extension Schema Document
101.CAL*	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF*	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB*	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE*	Inline XBRL Taxonomy Extension Presentation Linkbase Document
104*	Cover Page Interactive Data File (formatted in as Inline XBRL with applicable taxonomy extension information contained in Exhibits 101)

* Filed herewith.

** This certification will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section. Such certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent specifically incorporated by reference into such filing.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	BARINTHUS BIOTHERAPEUTICS PLC
Date: November 9, 2023	By:	/s/ William Enright
		William Enright
		Chief Executive Officer (Principal Executive Officer)
Date: November 9, 2023	By:	/s/ Gemma Brown
		Gemma Brown
		Chief Financial Officer (Principal Financial
		and Accounting Officer)

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EX-10.1

Exhibit 10.1

BARINTHUS BIOTHERAPEUTICS PLC

COMPENSATION RECOVERY POLICY

Adopted as of November 9, 2023

Barinthus Biotherapeutics PLC, a public limited company incorporated pursuant to the laws of England and Wales and listed in the U.S. (the “Company”), has adopted a Compensation Recovery Policy (this “Policy”) as described below.

1.Overview

The Policy sets forth the circumstances and procedures under which the Company shall recover Erroneously Awarded Compensation from Covered Persons (as defined below) in accordance with rules issued by the United States Securities and Exchange Commission (the “SEC”) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the Nasdaq Stock Market. Capitalized terms used and not otherwise defined herein shall have the meanings given in Section 3 below.

2.Compensation Recovery Requirement

In the event the Company is required to prepare a Financial Restatement, the Company shall recover reasonably promptly all Erroneously Awarded Compensation with respect to such Financial Restatement.

3.Definitions

a. “Applicable Recovery Period” means the three completed fiscal years immediately preceding the Restatement Date for a Financial Restatement. In addition, in the event the Company has changed its fiscal year: (i) any transition period of less than nine months occurring within or immediately following such three completed fiscal years shall also be part of such Applicable Recovery Period and (ii) any transition period of nine to 12 months will be deemed to be a completed fiscal year.

b. “Applicable Rules” means any rules or regulations adopted by the Exchange pursuant to Rule 10D-1 under the Exchange Act and any applicable rules or regulations adopted by the SEC pursuant to Section 10D of the Exchange Act.

c. “Board” means the Board of Directors of the Company.

d. “Committee” means the Compensation Committee of the Board or, in the absence of such committee, a majority of independent directors serving on the Board.

e. “Covered Person” means any Executive Officer and any other person designated by the Board or the Committee as being subject to this Policy. A person’s status as a Covered Person with respect to Erroneously Awarded Compensation shall be determined as of the time of receipt of such Erroneously Awarded Compensation regardless of the person’s current role or status with the Company (e.g., if a person

began service as an Executive Officer after the beginning of an Applicable Recovery Period, that person would not be considered a Covered Person with respect to Erroneously Awarded Compensation received before the person began service as an Executive Officer, but would be considered a Covered Person with respect to Erroneously Awarded Compensation received after the person began service as an Executive Officer where such person served as an Executive Officer at any time during the performance period for such Erroneously Awarded Compensation).

f. “Effective Date” means October 2, 2023.

g. “Erroneously Awarded Compensation” means the amount of any Incentive-Based Compensation received by a Covered Person on or after the Effective Date and during the Applicable Recovery Period that exceeds the amount that otherwise would have been received by the Covered Person had such compensation been determined based on the restated amounts in a Financial Restatement, computed without regard to any taxes paid. Calculation of Erroneously Awarded Compensation with respect to Incentive-Based Compensation based on stock price or total shareholder return, where the amount of Erroneously Awarded Compensation is not subject to mathematical recalculation directly from the information in a Financial Restatement, shall be based on a reasonable estimate of the effect of the Financial Restatement on the stock price or total shareholder return upon which the Incentive-Based Compensation was received, and the Company shall maintain documentation of the determination of such reasonable estimate and provide such documentation to the Exchange in accordance with the Applicable Rules. Incentive-Based Compensation is deemed received, earned, or vested when the Financial Reporting Measure is attained, not when the actual payment, grant, or vesting occurs.

h. “Exchange” means the Nasdaq Stock Market LLC.

^i. An “Executive Officer” means any person who served the Company in any of the following roles at any time during the performance period applicable to Incentive-Based Compensation such person received during service in such role: the president, principal financial officer, principal accounting officer (or if there is no such accounting officer the controller), any vice president in charge of a principal business unit, division, or function (such as sales, administration, or finance), any other officer who performs a policy making function, or any other person who performs similar policy making functions for the Company. Executive officers of parents or subsidiaries of the Company may be deemed executive officers of the Company if they perform such policy making functions for the Company.

j. “Financial Reporting Measures” mean measures that are determined and presented in accordance with the accounting principles used in preparing the Company’s financial statements, any measures that are derived wholly or in part from such measures (including, for example, a non-GAAP financial measure), and stock price and total shareholder return.

2

k. “Incentive-Based Compensation” means any compensation provided, directly or indirectly, by the Company or any of its subsidiaries that is granted, earned, or vested based, in whole or in part, upon the attainment of a Financial Reporting Measure and any equity-based compensation provided by the Company or any of its subsidiaries, including, without limitation, stock options, restricted stock awards, restricted stock units and stock appreciation rights.

l. A “Financial Restatement” means a restatement of previously issued financial statements of the Company due to the material noncompliance of the Company with any financial reporting requirement under the securities laws, including any required restatement to correct an error in previously-issued financial statements that is material to the previously-issued financial statements or that would result in a material misstatement if the error were corrected in the current period or left uncorrected in the current period.

m. “Restatement Date” means, with respect to a Financial Restatement, the earlier to occur of: (i) the date the Board or the Audit Committee of the Board concludes, or reasonably should have concluded, that the Company is required to prepare the Financial Restatement or (ii) the date a court, regulator or other legally authorized body directs the Company to prepare the Financial Restatement.

4.Exception to Compensation Recovery Requirement

The Company may elect not to recover Erroneously Awarded Compensation pursuant to this Policy if the Committee determines that recovery would be impracticable, and one or more of the following conditions, together with any further requirements set forth in the Applicable Rules, are met: (i) the direct expense paid to a third party, including outside legal counsel, to assist in enforcing this Policy would exceed the amount to be recovered, and the Company has made a reasonable attempt to recover such Erroneously Awarded Compensation; (ii) recovery would cause the Company to violate a law of England and Wales that was adopted prior to November 28, 2022, and the Company obtains an opinion of English counsel that recovery would result in a violation of such country’s law and provides the opinion to the Exchange; or (iii) recovery would likely cause an otherwise tax-qualified retirement plan to fail to be so qualified under applicable regulations.

5.Tax Considerations

To the extent that, pursuant to this Policy, the Company is entitled to recover any Erroneously Awarded Compensation that is received by a Covered Person, the gross amount received (i.e., the amount the Covered Person received, or was entitled to receive, before any deductions for tax withholding or other payments) shall be returned by the Covered Person.

6.Method of Compensation Recovery

3

The Committee shall determine, in its sole discretion, the method for recovering Erroneously Awarded Compensation hereunder, which may include, without limitation, any one or more of the following:

a. requiring reimbursement of cash Incentive-Based Compensation previously paid;

b. seeking recovery of any gain realized on the vesting, exercise, settlement, sale, transfer or other disposition of any equity-based awards;

c. cancelling or rescinding some or all outstanding vested or unvested equity-based awards;

d. adjusting or withholding from unpaid compensation or other set-off;

e. cancelling or offsetting against planned future grants of equity-based awards; and/or

f. any other method permitted by applicable law or contract.

Notwithstanding the foregoing, a Covered Person will be deemed to have satisfied such person’s obligation to return Erroneously Awarded Compensation to the Company if such Erroneously Awarded Compensation is returned in the exact same form in which it was received; provided that equity withheld to satisfy tax obligations will be deemed to have been received in cash in an amount equal to the tax withholding payment made.

7. Policy Interpretation

This Policy shall be interpreted in a manner that is consistent with the Applicable Rules and any other applicable law. The Committee shall take into consideration any applicable interpretations and guidance of the SEC in interpreting this Policy, including, for example, in determining whether a financial restatement qualifies as a Financial Restatement hereunder. To the extent the Applicable Rules require recovery of Incentive-Based Compensation in additional circumstances besides those specified above, nothing in this Policy shall be deemed to limit or restrict the right or obligation of the Company to recover Incentive-Based Compensation to the fullest extent required by the Applicable Rules.

8.Policy Administration

This Policy shall be administered by the Committee. The Committee shall have such powers and authorities related to the administration of this Policy as are consistent with the governing documents of the Company and applicable law. The Committee shall have full power and authority to take, or direct the taking of, all actions and to make all determinations required or provided for under this Policy and shall have full power and authority to take, or direct the taking of, all such other actions and make all such other determinations not inconsistent with the specific terms and provisions of this Policy that the Committee deems to be necessary or appropriate to the administration of this Policy. The interpretation and construction by the

4

Committee of any provision of this Policy and all determinations made by the Committee under this policy shall be final, binding and conclusive.

9.Compensation Recovery Repayments not Subject to Indemnification

Notwithstanding anything to the contrary set forth in any agreement with, or the organizational documents of, the Company or any of its subsidiaries, Covered Persons are not entitled to indemnification for Erroneously Awarded Compensation or for any claim or losses arising out of or in any way related to Erroneously Awarded Compensation recovered under this Policy.

5

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO

RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, William Enright, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Barinthus Biotherapeutics plc;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 9, 2023	/s/ William Enright
	Name: William Enright
	Title: Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO

RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Gemma Brown, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Barinthus Biotherapeutics plc;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 9, 2023	/s/ Gemma Brown
	Name: Gemma Brown
	Title: Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATIONS PURSUANT TO

18U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Barinthus Biotherapeutics plc (the “Company”) on Form 10-Q for the period ending September 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of the Company certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, to the best of his or her knowledge that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

Date: November 9, 2023	/s/ William Enright
	Name: William Enright
	Title: Chief Executive Officer
Date: November 9, 2023	/s/ Gemma Brown
	Name: Gemma Brown
	Title: Chief Financial Officer

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2023	Nov. 02, 2023
Document Information
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2023
Entity File Number	001-40367
Entity Registrant Name	BARINTHUS BIOTHERAPEUTICS PLC
Entity Incorporation, State or Country Code	X0
Entity Tax Identification Number	00-0000000
Entity Address, Address Line One	Unit 6-10, Zeus Building Rutherford Avenue
Entity Address, Address Line Two	Harwell
Entity Address, City or Town	Didcot
Entity Address, Country	GB
Entity Address, Postal Zip Code	OX11 0DF
City Area Code	+44 (0)
Local Phone Number	1865 818 808
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		38,565,272
Entity Central Index Key	0001828185
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Amendment Flag	false
Ordinary shares
Document Information
Title of 12(b) Security	Ordinary shares, nominal value £0.000025 per share
No Trading Symbol Flag	true
American Depositary Shares
Document Information
Title of 12(b) Security	American Depositary Shares
Trading Symbol	BRNS
Security Exchange Name	NASDAQ

XML

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents		$ 160,309	$ 194,385
Accounts receivable			323
Accounts receivable - related parties			5,524
Research and development incentives receivable		4,172	4,541
Prepaid expenses and other current assets		6,584	8,268
Total current assets		171,065	213,041
Goodwill		12,209	12,209
Property and equipment, net		12,269	7,957
Intangible assets, net		25,898	28,269
Right of use assets, net		7,474	7,753
Other assets		1,055	976
Total assets		229,970	270,205
Current liabilities:
Accounts payable		5,145	3,748
Accrued expenses and other current liabilities		11,923	8,061
Operating lease liability - current		1,501	433
Total current liabilities		18,569	12,242
Non-Current liabilities:
Operating lease liability		11,202	8,340
Contingent consideration		1,797	1,711
Deferred tax liability, net		1,521	3,746
Other non-current liabilities		1,278	965
Total liabilities		34,367	27,004
Commitments and contingencies (Note 14)
Shareholders' equity:
Ordinary shares, £0.000025 nominal value; 38,546,594 shares authorized, issued and outstanding (December 31, 2022: authorized, issued and outstanding: 37,683,531)		1	1
Additional paid-in capital		385,707	379,504
Accumulated deficit		(159,297)	(103,243)
Accumulated other comprehensive loss - foreign currency translation adjustments		(31,099)	(33,460)
Total shareholders' equity attributable to Barinthus Biotherapeutics plc shareholders		195,398	242,896
Noncontrolling interest		205	305
Total shareholders' equity		195,603	243,201
Total liabilities and shareholders' equity		229,970	270,205
Deferred A shares
Shareholders' equity:
Deferred shares		$ 86	86
Deferred B shares
Shareholders' equity:
Deferred shares			8
Deferred C shares
Shareholders' equity:
Deferred shares	[1]		$ 0

[1] indicates amount less than thousand

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - £ / shares	Sep. 30, 2023	Dec. 31, 2022
Ordinary shares, nominal value	£ 0.000025	£ 0.000025
Ordinary shares, authorized	38,546,594	37,683,531
Ordinary shares, issued	38,546,594	37,683,531
Ordinary shares, outstanding	38,546,594	37,683,531
Deferred A shares
Deferred shares, nominal value	£ 1	£ 1
Deferred shares, authorized	63,443	63,443
Deferred shares, issued	63,443	63,443
Deferred shares, outstanding	63,443	63,443
Deferred B shares
Deferred shares, nominal value	£ 0.01	£ 0.01
Deferred shares, authorized	0	570,987
Deferred shares, issued	0	570,987
Deferred shares, outstanding	0	570,987
Deferred C shares
Deferred shares, nominal value	£ 0.000007	£ 0.000007
Deferred shares, authorized	0	27,828,231
Deferred shares, issued	0	27,828,231
Deferred shares, outstanding	0	27,828,231

XML

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Total revenue			$ 6,165	$ 802	$ 38,246
Operating expenses
Research and development		$ 15,144	9,744	38,501	30,165
General and administrative		961	(10,815)	26,227	(12,971)
Total operating expenses		16,105	(1,071)	64,728	17,194
(Loss)/income from operations		(16,105)	7,236	(63,926)	21,052
Other income /(expense):
Interest income		196	1,024	2,306	1,776
Interest expense		(7)	11	(21)	3
Research and development incentives		1,205	(724)	2,921	1,150
Other (expense)/ income, net		(2)		308	51
Total other income /(expense)		1,392	311	5,514	2,980
(Loss)/profit before income tax		(14,713)	7,547	(58,412)	24,032
Tax benefit		603	674	2,255	2,452
Net (loss)/income		(14,110)	8,221	(56,157)	26,484
Net loss attributable to noncontrolling interest		38	21	103	47
Net (loss)/income attributable to Barinthus Biotherapeutics plc shareholders		$ (14,072)	$ 8,242	$ (56,054)	$ 26,531
Weighted-average ordinary shares outstanding, basic		38,533,833	37,247,123	38,320,208	37,213,787
Weighted-average ordinary shares outstanding, diluted		38,533,833	38,156,564	38,320,208	38,226,092
Net (loss)/income per share attributable to ordinary shareholders, basic		$ (0.37)	$ 0.22	$ (1.46)	$ 0.71
Net (loss)/income per share attributable to ordinary shareholders, diluted		$ (0.37)	$ 0.22	$ (1.46)	$ 0.69
Net (loss)/income		$ (14,110)	$ 8,221	$ (56,157)	$ 26,484
Other comprehensive (loss)/gain - foreign currency translation adjustments		(7,820)	(19,940)	2,364	(42,730)
Comprehensive loss		(21,930)	(11,719)	(53,793)	(16,246)
Comprehensive loss attributable to noncontrolling interest		48	51	100	122
Comprehensive loss attributable to Barinthus Biotherapeutics plc shareholders		$ (21,882)	(11,668)	(53,693)	(16,124)
License revenue
Total revenue	[1]		$ 6,165	$ 802	38,237
Research grants and contracts
Total revenue					$ 9

[1] Includes license revenue from related parties for the three and nine month periods ended September 30, 2023 of $Nil million and $0.8 million, respectively and for the three and nine month periods ended September 30, 2022 of $6.2 million and $38.2 million, respectively.

XML

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
License revenue
Revenue from related parties	$ 0.0	$ 6.2	$ 0.8	$ 38.2

XML

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Deferred A Shares Deferred Shares	Deferred B Shares Deferred Shares	Deferred C Shares Deferred Shares		Ordinary Shares		Additional Paid-in-capital		Accumulated Deficit	Accumulated Other Comprehensive Loss	Total shareholders' equity attributable to Barinthus Biotherapeutics plc shareholders	Noncontrolling Interest	Total
Balance at the beginning at Dec. 31, 2021	$ 86	$ 8	$ 0	[1]	$ 1		$ 369,103		$ (108,585)	$ (8,488)	$ 252,125	$ 437	$ 252,562
Balance at the beginning (in shares) at Dec. 31, 2021	63,443	570,987	27,828,231		37,188,730
Increase (Decrease) in Stockholders' Equity
Share based compensation							3,984				3,984		3,984
Foreign currency translation adjustments										(5,968)	(5,968)	(15)	(5,983)
Issue of ordinary shares, net of issuance cost					$ 0	[1]	0	[1]			0		0	[1]
Issue of ordinary shares, net of issuance cost (in shares)					4,637
Net (loss)/income	$ 0	$ 0	$ 0		$ 0		0		2,596	0	2,596	(22)	2,574
Balance at the end at Mar. 31, 2022	$ 86	$ 8	$ 0	[1]	$ 1		373,087		(105,989)	(14,456)	252,737	400	253,137
Balance at the end (in shares) at Mar. 31, 2022	63,443	570,987	27,828,231		37,193,367
Balance at the beginning at Dec. 31, 2021	$ 86	$ 8	$ 0	[1]	$ 1		369,103		(108,585)	(8,488)	252,125	437	252,562
Balance at the beginning (in shares) at Dec. 31, 2021	63,443	570,987	27,828,231		37,188,730
Increase (Decrease) in Stockholders' Equity
Foreign currency translation adjustments													(42,730)
Net (loss)/income													26,484
Balance at the end at Sep. 30, 2022	$ 86	$ 8	$ 0		$ 1		376,939		(82,054)	(51,143)	243,837	315	244,152
Balance at the end (in shares) at Sep. 30, 2022	63,443	570,987	27,828,231		37,291,492
Balance at the beginning at Mar. 31, 2022	$ 86	$ 8	$ 0	[1]	$ 1		373,087		(105,989)	(14,456)	252,737	400	253,137
Balance at the beginning (in shares) at Mar. 31, 2022	63,443	570,987	27,828,231		37,193,367
Increase (Decrease) in Stockholders' Equity
Share based compensation							2,748				2,748		2,748
Foreign currency translation adjustments										(16,777)	(16,777)	(30)	(16,807)
Issue of ordinary shares, net of issuance cost					$ 0	[1]	0	[1]			0		0	[1]
Issue of ordinary shares, net of issuance cost (in shares)					22,795
Net (loss)/income									15,693		15,693	(4)	15,689
Balance at the end at Jun. 30, 2022	$ 86	$ 8	$ 0	[1]	$ 1		375,835		(90,296)	(31,233)	254,401	366	254,767
Balance at the end (in shares) at Jun. 30, 2022	63,443	570,987	27,828,231		37,216,162
Increase (Decrease) in Stockholders' Equity
Share based compensation							1,104				1,104		1,104
Issue of ordinary shares					$ 0		0				0		0
Issue of ordinary shares (in shares)					75,330
Foreign currency translation adjustments										(19,910)	(19,910)	(30)	(19,940)
Net (loss)/income									8,242		8,242	(21)	8,221
Balance at the end at Sep. 30, 2022	$ 86	$ 8	$ 0		$ 1		376,939		(82,054)	(51,143)	243,837	315	244,152
Balance at the end (in shares) at Sep. 30, 2022	63,443	570,987	27,828,231		37,291,492
Balance at the beginning at Dec. 31, 2022	$ 86	$ 8	$ 0	[1]	$ 1		379,504		(103,243)	(33,460)	242,896	305	243,201
Balance at the beginning (in shares) at Dec. 31, 2022	63,443	570,987	27,828,231		37,683,531
Increase (Decrease) in Stockholders' Equity
Share based compensation							2,222				2,222		2,222
Foreign currency translation adjustments										4,574	4,574	6	4,580
Issue of ordinary shares, net of issuance cost					$ 0	[1]	1,789				1,789		1,789
Issue of ordinary shares, net of issuance cost (in shares)					673,494
Cancellation of deferred shares		$ (8)	$ 0	[1]			8
Cancellation of deferred shares (in shares)		(570,987)	(27,828,231)
Net (loss)/income	$ 0	$ 0	$ 0		$ 0		0		(18,180)	0	(18,180)	(43)	(18,223)
Balance at the end at Mar. 31, 2023	$ 86		0		$ 1		383,523		(121,423)	(28,886)	233,301	268	233,569
Balance at the end (in shares) at Mar. 31, 2023	63,443				38,357,025
Balance at the beginning at Dec. 31, 2022	$ 86	$ 8	$ 0	[1]	$ 1		379,504		(103,243)	(33,460)	242,896	305	243,201
Balance at the beginning (in shares) at Dec. 31, 2022	63,443	570,987	27,828,231		37,683,531
Increase (Decrease) in Stockholders' Equity
Foreign currency translation adjustments													2,364
Net (loss)/income													(56,157)
Balance at the end at Sep. 30, 2023	$ 86		$ 0		$ 1		385,707		(159,297)	(31,099)	195,398	205	195,603
Balance at the end (in shares) at Sep. 30, 2023	63,443				38,546,594
Balance at the beginning at Mar. 31, 2023	$ 86		0		$ 1		383,523		(121,423)	(28,886)	233,301	268	233,569
Balance at the beginning (in shares) at Mar. 31, 2023	63,443				38,357,025
Increase (Decrease) in Stockholders' Equity
Share based compensation							1,990				1,990		1,990
Foreign currency translation adjustments										5,597	5,597	7	5,604
Issue of ordinary shares, net of issuance cost					$ 0	[1]	123				123		123
Issue of ordinary shares, net of issuance cost (in shares)					167,034
Net (loss)/income									(23,802)		(23,802)	(22)	(23,824)
Balance at the end at Jun. 30, 2023	$ 86		0		$ 1		385,636		(145,225)	(23,289)	217,209	253	217,462
Balance at the end (in shares) at Jun. 30, 2023	63,443				38,524,059
Increase (Decrease) in Stockholders' Equity
Share based compensation							57				57		57
Foreign currency translation adjustments										(7,810)	(7,810)	(10)	(7,820)
Issue of ordinary shares, net of issuance cost					$ 0		14				14		14
Issue of ordinary shares, net of issuance cost (in shares)					22,535
Net (loss)/income									(14,072)		(14,072)	(38)	(14,110)
Balance at the end at Sep. 30, 2023	$ 86		$ 0		$ 1		$ 385,707		$ (159,297)	$ (31,099)	$ 195,398	$ 205	$ 195,603
Balance at the end (in shares) at Sep. 30, 2023	63,443				38,546,594

[1] indicates amount less than thousand

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss)/income		$ (56,157)	$ 26,484
Adjustments to reconcile net (loss)/income to net cash used in operating activities:
Share based compensation		4,269	7,836
Depreciation and amortization		3,994	3,146
Non-cash lease expenses		787	786
Unrealized foreign exchange loss/( gain)		879	(36,578)
Non-cash interest expense		21
Change in contingent consideration		86	943
Profit on sale of property and equipment			(348)
Deferred tax benefit		(2,254)	(2,403)
Changes in operating assets and liabilities:
Accounts receivable (including related parties)		5,800	(6,162)
Prepaid expenses and other current assets		5,249	(2,949)
Research and development incentives receivable		426	1,163
Accounts payable		417	142
Accrued expenses and other current liabilities		5,234	5,066
Deferred revenue			(43)
Other assets		(73)	(171)
Net cash used in operating activities		(31,322)	(3,088)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment		(5,566)	(5,552)
Proceeds from sale of property and equipment			388
Net cash used in investing activities		(5,566)	(5,164)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issue of shares from the exercise of stock options	[1]	0	0
Proceeds from issue of ordinary shares, net of issuance costs		1,926
Payment of contingent consideration		(163)
Repayment of debt			(159)
Net cash provided by/(used in) financing activities		1,763	(159)
EFFECT OF EXCHANGE RATES ON CASH AND CASH EQUIVALENTS		1,049	(5,539)
Net decrease in cash and cash equivalents		(34,076)	(13,950)
Cash and cash equivalents, beginning of the period		194,385	214,054
Cash and cash equivalents, end of the period		160,309	200,104
Non-Cash investing and financing activities
Capital expenditures included in accounts payable and accrued expenses			219
Right-of-use assets obtained in exchange for operating lease liabilities			2,400
Asset retirement obligation		287	826
Changes to right-of-use asset resulting from lease reassessment event		$ 88	$ 3

[1] Indicates amounts less than thousand

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Nature of Business and Basis of Presentation

9 Months Ended

Sep. 30, 2023

Nature of Business and Basis of Presentation

Nature of Business and Basis of Presentation

1. Nature of Business and Basis of Presentation

Barinthus Biotherapeutics plc (formerly Vaccitech plc) is a public limited company incorporated pursuant to the laws of England and Wales in March 2021. Barinthus Biotherapeutics plc and its direct and indirect subsidiaries, Barinthus Biotherapeutics (UK) Limited (formerly Vaccitech (UK) Limited), Vaccitech Australia Pty Limited, Vaccitech Oncology Limited (“VOLT”), Barinthus Biotherapeutics North America, Inc. (formerly Vaccitech North America, Inc.), Barinthus Biotherapeutics Switzerland GmbH (formerly Vaccitech Switzerland GmbH) and Barinthus Biotherapeutics Italia S.R.L. (formerly Vaccitech Italia S.R.L.), are collectively referred to as the “Company” or “Barinthus Bio”. The Company is a clinical-stage biopharmaceutical company developing novel T cell immunotherapeutic candidates designed to guide the immune system to overcome chronic infectious diseases, autoimmunity and cancer. The Company is headquartered in Harwell, Oxfordshire, United Kingdom. On November 6, 2023, the Company announced its renaming as Barinthus Bio to represent the evolution and expansion of its focus beyond vaccines.

In connection with the initial public offering of American Depositary Shares (“ADSs”), in March 2021, the Company completed a corporate reorganization wherein the shareholders of Barinthus Biotherapeutics (UK) Limited exchanged each of their ordinary shares, series A shares and series B shares of Barinthus Biotherapeutics (UK) Limited for the same quantity of ordinary shares, series A shares and series B shares in Barinthus Biotherapeutics plc (resulting in the shareholders of the Company holding the same percentage and class of shares in Barinthus Biotherapeutics plc as they had in Barinthus Biotherapeutics (UK) Limited). The group reorganization under common control constituted a change in reporting entity and has been given retrospective effect reflecting the net assets of Barinthus Biotherapeutics (UK) Limited and its subsidiaries and Barinthus Biotherapeutics plc at their historical carrying amounts. On April 4, 2022, a merger was effected between subsidiaries Vaccitech USA, Inc. and Barinthus Biotherapeutics North America, Inc., with Barinthus Biotherapeutics North America, Inc. being the surviving entity.

The Company operates in an environment of rapid technological change and substantial competition from pharmaceutical and biotechnology companies. The Company is subject to risks common to companies in the biopharmaceutical industry in a similar stage of its life cycle including, but not limited to, the need to obtain adequate additional funding, possible failure of preclinical testing or clinical trials, the need to obtain marketing approval for its vaccine product candidates, competitors developing new technological innovations, the need to successfully commercialize and gain market acceptance of any of its products that are approved, and protection of proprietary technology. There can be no assurance that the Company’s research and development will be successfully completed, that adequate protection for the Company’s intellectual property will be obtained, that any products developed will obtain required regulatory approval or that any approved products will be commercially viable. Even if the Company’s development efforts are successful, it is uncertain when, if ever, the Company will generate significant product sales. If the Company does not successfully commercialize any of its products or mitigate any of these other risks, it will be unable to generate revenue or achieve profitability.

Basis of presentation

The Company’s unaudited condensed consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”) and pursuant to the rules and regulations of the Securities and Exchange Commission for interim financial statements. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. The accompanying unaudited condensed consolidated financial statements include the accounts of the Company and its subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation.

Certain notes or other information that are normally required by GAAP have been omitted if they substantially duplicate the disclosures contained in the Company’s annual audited consolidated financial statements. Accordingly, the unaudited condensed consolidated financial statements should be read in connection with the Company’s audited consolidated financial statements and related notes as of and for the year ended December 31, 2022. The condensed consolidated balance sheet as of December 31, 2022, was derived from the audited financial statements but does not contain all of the footnote disclosures from the annual financial statements.

As of September 30, 2023, the Company had cash and cash equivalents of $160.3 million and an accumulated deficit of $159.3 million, and the Company expects to incur losses for the foreseeable future. The Company expects that its cash and cash equivalents will be sufficient to fund current operations for at least the next twelve months from the issuance of the financial statements. The Company expects to seek additional funding through equity financing, government or private-party grants, debt financings or other capital sources, including collaborations with other companies or other strategic transactions. The Company may not be able to obtain financing on acceptable terms, or at all, and the Company may not be able to enter into collaborations or other arrangements. The terms of any financing may adversely affect the holdings or rights of the Company’s stockholders. If the Company is unable to obtain sufficient capital, the Company will be forced to delay, reduce or eliminate some or all of its research and development programs, product portfolio expansion or future commercialization efforts, which could adversely affect its business prospects, or the Company may be unable to continue operations. Although management continues to pursue these plans, there is no assurance that the Company will be successful in obtaining sufficient funding on terms acceptable to the Company to fund continuing operations, if at all.

The condensed consolidated financial statements have been prepared assuming the Company will continue as a going concern, which contemplates, among other things, the realization of assets and the satisfaction of liabilities and commitments in the ordinary course of business.

Unaudited Condensed Financial Information

The accompanying Condensed Consolidated Balance Sheets as of September 30, 2023, and December 31, 2022, the Condensed Consolidated Statements of Operations and Comprehensive Loss, Condensed Consolidated Statements of Changes in Shareholders’ Equity and the Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2023 and 2022 are unaudited. These unaudited condensed consolidated financial statements have been prepared on the same basis as the audited annual consolidated financial statements contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022, filed with the Securities Exchange Commission (the “Annual Report”) on March 24, 2023. In our opinion, the unaudited condensed consolidated financial statements include all adjustments of a normal recurring nature necessary for the fair presentation of our financial position as of September 30, 2023, our results of operations for the three and nine months ended September 30, 2023, and 2022, and our cash flows for the nine months ended September 30, 2023, and 2022. The results of operations for the three and nine months ended September 30, 2023, are not necessarily indicative of the results to be expected for the year ending December 31, 2023, or any other interim periods.

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2023

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

The accounting policies of the Company are set forth in Note 2 to the consolidated financial statements as of and for the year ended December 31, 2022, except as discussed below related to newly adopted accounting pronouncements.

Use of Estimates

The preparation of unaudited condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue,income and expenses during the reporting period. The Company bases estimates and assumptions on historical experience when available and on various factors that it believes to be reasonable under the circumstances. The Company evaluates its estimates and assumptions on an ongoing basis. The Company’s actual results may differ from these estimates under different assumptions or conditions.

As of the date of issuance of these unaudited condensed consolidated financial statements, the Company is not aware of any specific event or circumstance that would require the Company to update its estimates, assumptions and judgments or revise the carrying value of its assets or liabilities. These estimates may change as new events occur and additional information is obtained and are recognized in the unaudited condensed consolidated financial statements as soon as they become known. Actual results could differ from those estimates and any such differences may be material to the Company’s financial statements.

Recently issued accounting pronouncements

From time to time, new accounting pronouncements are issued by the FASB or other standard setting bodies that the Company adopts as of the specified effective date. The Company qualifies as an “emerging growth company” as defined in the Jumpstart Our Business Startups Act of 2012 and has elected not to “opt out” of the extended transition related to complying with new or revised accounting standards, which means that when a standard is issued or revised and it has different application dates for public and nonpublic companies, the Company can adopt the new or revised standard at the time nonpublic companies adopt the new or revised standard and can do so until such time that the Company either (i) irrevocably elects to “opt out” of such extended transition period or (ii) no longer qualifies as an emerging growth company.

We have reviewed all recently issued standards and have determined that such standards will not have a material impact on our condensed consolidated financial statements or do not otherwise apply to our current operations.

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Foreign Currency Transaction Gains/Losses in General and Administrative Expenses

9 Months Ended

Sep. 30, 2023

Foreign Currency Transaction Gains/Losses in General and Administrative Expenses

Foreign Currency Translation in General and Administrative Expenses

3. Foreign Currency Transaction Gains/Losses in General and Administrative Expenses

The aggregate, net foreign exchange gain or loss included in determining net loss recognized in general and administrative expenses for the three and nine months ended September 30, 2023, was a gain of $6.6 million and a loss of $1.1 million, respectively. The aggregate net foreign exchange gain or loss included in determining net income recognized in general and administrative expenses for the three and nine months ended September 30, 2022, was a gain of $18.7 million and a gain of $39.1 million, respectively.

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Net (Loss)/Income Per Share

9 Months Ended

Sep. 30, 2023

Net (Loss)/Income Per Share

Net (Loss)/Income Per Share

4. Net (Loss)/Income Per Share

The following table sets forth the computation of basic and diluted net (loss)/income per share for the three months and nine months ended September 30, 2023, and 2022 (in thousands, except number of shares):

	Three months ended September 30,				Nine months ended September 30,
	2023			2022	2023		2022
Numerator:
Net (loss)/income	$	(14,110)	$	8,221	$	(56,157)	$	26,484
Net loss attributable to noncontrolling interest		38		21		103		47
Net (loss)/income attributable to Barinthus Bio shareholders	$	(14,072)	$	8,242	$	(56,054)	$	26,531
Denominator:
Weighted-average ordinary shares outstanding, basic		38,533,833		37,247,123		38,320,208		37,213,787
Effect of dilutive stock options		—		909,441		—		1,012,304
Weighted-average ordinary shares outstanding, diluted		38,533,833		38,156,564		38,320,208		38,226,092
Net (loss)/income per share attributable to ordinary shareholders, basic	$	(0.37)	$	0.22	$	(1.46)	$	0.71
Net (loss)/income per share attributable to ordinary shareholders, diluted	$	(0.37)	$	0.22	$	(1.46)	$	0.69

Since the Company was in a loss position for all periods presented for 2023, basic net loss per share is the same as diluted net loss per share, as the inclusion of all potential ordinary share equivalents outstanding would have been anti-dilutive. As of September 30, 2023, 6,391,680 potential ordinary shares issuable for stock options were excluded from the computation of diluted weighted-average shares outstanding because including them would have had an anti-dilutive effect.

For the three and nine month period ended September 30, 2022, 3,201,290 and 2,697,808 potential ordinary shares issuable for stock options, respectively, were excluded from the computation of diluted weighted-average shares outstanding because including them would have had an anti-dilutive effect.

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Property and Equipment, net

9 Months Ended

Sep. 30, 2023

Property and Equipment, net

Property and Equipment, net

5. Property and Equipment, net

During the nine months ended September 30, 2023, the Company’s additions to property and equipment, net were $5.9 million which primarily related to an increase in leasehold improvements from the Company’s U.S. office in Germantown, Maryland (nine months ended September 30, 2022: $6.8 million, related to leasehold improvements of the Company’s corporate headquarters).

Depreciation expense for the three and nine months ended September 30, 2023 was $0.7 million and $1.6 million, respectively (September 30, 2022: three and nine months was $0.4 million and $0.8 million, respectively).

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Intangible Assets, net

9 Months Ended

Sep. 30, 2023

Intangible Assets, net

Intangible Assets, net

6.Intangible Assets, net

The gross amount of amortizable intangible assets, consisting of acquired developed technology, was $31.6 million and $31.6 million as of September 30, 2023 and December 31 2022, respectively, and accumulated amortization was $5.7 million and $3.3 million as of September 30, 2023 and December 31, 2022, respectively. The amortization expense for the three and nine months ended September 30, 2023 was $0.8 million and $2.4 million, respectively (three and nine months ended September 30, 2022: $0.8 million and $2.4 million, respectively). The estimated annual amortization expense is $3.2 million for the years 2023 through to 2031.

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Prepaid Expenses and Other Current Assets

9 Months Ended

Sep. 30, 2023

Prepaid Expenses and Other Current Assets

Prepaid Expenses and Other Current Assets

7. Prepaid Expenses and Other Current Assets (in thousands):

	September 30,		December 31,
	2023		2022
Prepayments and accrued income	$	4,510	$	5,887
Value Added Tax receivable		1,719		—
Lease incentive receivable		—		1,770
Other		355		611
Total	$	6,584	$	8,268

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Accrued Expenses and Other Current Liabilities

9 Months Ended

Sep. 30, 2023

Accrued Expenses and Other Current Liabilities

Accrued Expenses and Other Current Liabilities

8. Accrued Expenses and Other Current Liabilities (in thousands):

	September 30,		December 31,
	2023		2022
Accrued manufacturing and clinical expenses	$	6,791	$	2,997
Accrued board of director compensation		37		9
Accrued bonus		1,720		1,925
Accrued payroll and employee benefits		979		928
Accrued professional fees		1,081		1,270
Accrued other		1,315		932
Total	$	11,923	$	8,061

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Ordinary Shares

9 Months Ended

Sep. 30, 2023

Ordinary Shares

Ordinary Shares

9. Ordinary Shares

All ordinary shares rank pari passu as a single class. The following is a summary of the rights and privileges of the holders of ordinary shares as of September 30, 2023:

Liquidation preference: in the event of the liquidation, dissolution or winding up of the Company, the assets of the Company available for distribution to holders of the ordinary shares shall be distributed amongst all holders of the ordinary shares in proportion to the number of shares held irrespective of the amount paid or credited as paid on any share.

Dividends: the Company may, subject to the provisions of the Companies Act 2006 and our Articles, by ordinary resolution from time to time declare dividends to be paid to shareholders not exceeding the amount recommended by the Company’s board of directors. Subject to the provisions of the Companies Act 2006, in so far as, in the board of directors’ opinions, the Company’s profits justify such payments, the board of directors may pay interim dividends on the Company’s ordinary shares.

Voting Rights: each holder of ordinary shares has the right to receive notice of, and to vote at, the Company’s general meetings. Each holder of ordinary shares who is present (in person or by proxy) at a general meeting on a show of hands has one vote and, on a poll, every such holder who is present (in person or by proxy) has one vote in respect of each share of which they are the holder.

Preemption rights: pursuant to section 561 of the Companies Act 2006, shareholders are granted preemptive rights when new shares are issued for cash. However, it is possible for our Articles, or shareholders at a general meeting representing at least 75% of our ordinary shares present (in person or by proxy) and eligible to vote at that general meeting, to disapply these preemptive rights by passing a special resolution. Such a disapplication of preemption rights may be for a maximum period of up to five years from the date on which the shareholder resolution was passed. In either case, this disapplication would need to be renewed by our shareholders upon its expiration (i.e., at least every five years) to remain effective.

On April 21, 2021, our shareholders approved the disapplication of preemptive rights for a period of five years from the date of approval by way of a special resolution of our shareholders. This included the disapplication of preemption rights in relation to the allotment of our ordinary shares in connection with the IPO. This disapplication will need to be renewed upon expiration (i.e., at least every five years) to remain effective, but may be sought more frequently for additional five-year terms (or any shorter period).

On November 6, 2023, we held a general meeting where our shareholders approved resolutions granting our board of directors or any duly authorized committee of the board of directors the authority to allot shares in the Company or grant rights to subscribe for or to convert any security into shares in the Company free from pre-emption rights. Pursuant to such approval, our board of directors was authorized to allot shares up to an aggregate nominal amount of £1,928 free from statutory pre-emption rights.

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Deferred Shares

9 Months Ended

Sep. 30, 2023

Deferred Shares

Deferred Shares

10. Deferred Shares

All deferred shares rank pari passu as a single class. The deferred shares do not have rights to dividends or to any other right of participation in the profits of the Company. On a return of assets on liquidation, the deferred shares shall confer on the holders thereof an entitlement to receive out of the assets of the Company available for distribution amongst the shareholders (subject to the rights of any new class of shares with preferred rights) the amount credited as paid up on the deferred shares held by them respectively after (but only after) payment shall have been made to the holders of the ordinary shares of the amounts paid up or credited as paid up on such shares and the sum of £1.0 million in respect of each ordinary share held by them respectively. The deferred shares shall confer on the holders thereof no further right to participate in the assets of the Company.

On March 29, 2023, all deferred B shares (nominal value of £0.01 each) and deferred C shares (nominal value of £0.00000736245954692556 each) previously in issue were transferred back to the Company and subsequently cancelled. These deferred shares had previously been issued to certain pre-IPO shareholders in connection with the implementation of certain stages of the Company’s pre-IPO share capital reorganization. The Company received shareholder approval on April 21, 2021 (pursuant to the shareholder resolutions passed on that date) in order to effect the transfer back and cancellation of the deferred shares for nil consideration in accordance with sections 659 and 662 of the Companies Act 2006.

The Company’s deferred A shares with a nominal value of £1.00 each remain in issue for the purposes of satisfying the minimum share capital requirements for a public limited company as prescribed by the Companies Act 2006.

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Fair Value

9 Months Ended

Sep. 30, 2023

Fair Value

Fair Value

11. Fair Value

The Company’s financial instruments consist of cash and cash equivalents, accounts receivable, accounts payable, certain accrued expenses, and contingent consideration. The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable and accrued expenses approximated their respective fair value due to the short-term nature and maturity of these instruments.

As of September 30, 2023, the Company had a contingent consideration liability of $1.8 million related to the acquisition of Avidea Technologies, Inc. The fair value of the contingent consideration is a Level 3 valuation with the significant unobservable inputs being the probability of success of achievement of the milestones and the expected date of the milestone achievement. Significant judgment is employed in determining the appropriateness of certain of these inputs.

The following table summarizes changes to our financial instruments carried at fair value and classified within Level 3 of the fair value hierarchy (in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2023		2022		2023		2022
Beginning balance	$	2,117	$	2,727	$	1,711	$	2,371
Change in fair value recognized in net income/(loss) 1		(244)		317		72		943
Foreign exchange translation recognized in other comprehensive loss		(76)		(208)		14		(478)
Ending balance	$	1,797	$	2,836	$	1,797	$	2,836

¹ During the fourth quarter of 2022, the Company reclassified the change in fair value of Contingent Consideration from Other income and expense to General and Administrative operating expense. For the three and nine month periods ending September 30, 2022, an expense of $0.3 million and $0.9 million, respectively, has been reclassified to conform the presentation for comparator periods.

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Goodwill

9 Months Ended

Sep. 30, 2023

Goodwill.

Goodwill

12.Goodwill

The Company identified qualitative indicators of impairment due to a sustained decline in the price of the Company’s American Depositary Shares, whereby the market capitalization continues to be below the value of the net assets of the Company. Therefore, the Company performed an interim qualitative assessment as of September 30, 2023 to determine whether it was more likely than not that the fair value of the reporting unit is less than its carrying amount. Based on this assessment, management determined it is not more likely than not that the fair value of the reporting unit is less than its carrying amount and hence no impairment loss has been recognized.

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Share-Based Compensation

9 Months Ended

Sep. 30, 2023

Share-Based Compensation

Share-Based Compensation

13.Share-Based Compensation

During the nine month period ended September 30, 2023, in accordance with the terms of the Annual Increase of the Barinthus Biotherapeutics plc Award Plan 2021 (the “Plan”), the total number of ordinary shares available for issuance under the Plan increased by 4% of the Company’s issued and outstanding ordinary shares as of January 1, 2023.

For the nine months ended September 30, 2023, the Company granted 2,221,706 options to employees and directors with a weighted average grant date fair value of $1.99 and a weighted average exercise price of $2.50 per share (September 30, 2022: granted 2,265,040 options,weighted average grant date fair value of $3.53 and a weighted average exercise price of $9.15 per share). For the nine months ended September 30, 2023, 664,449 options (September 30, 2022: 372,916 ) were forfeited.

The fair value of each stock option issued to employees was estimated at the date of grant using the Black-Scholes model with the following weighted-average assumptions:

	Nine months ended
	September 30,
	2023		2022
Expected volatility	96.9	%	94.6	%
Expected term (years)	6.0		6.0
Risk-free interest rate	3.7	%	2.38	%
Expected dividend yield	—	%	—	%

As of September 30, 2023, 6,391,680 options with a weighted average exercise price of $8.86 were outstanding. As of September 30, 2023, there was $4.1 million unrecognized compensation cost related to stock options, which is expected to be recognized over a weighted average period of 1.8 years. As of September 30, 2022, 4,976,180 options with a weighted average exercise price of $8.90 were outstanding. As of September 30, 2022, there was $8.7 million unrecognized compensation expense related to stock options, which is expected to be recognized over a weighted average period of 2.13 years.

Share based compensation expense is classified in the unaudited condensed consolidated statements of operations and comprehensive loss as follows (in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
Research and development	$	(746)	$	535	$	1,400	$	2,065
General and administrative		803		569		2,869		5,771
Total	$	57	$	1,104	$	4,269	$	7,836

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2023

Commitments and Contingencies

Commitments and Contingencies

14. Commitments and Contingencies

In-License Agreements

The Company is party to a number of licensing agreements, most of which are with related parties. These agreements serve to provide the Company with the right to develop and exploit the counterparties’ intellectual property for certain medical indications. As part of execution of these arrangements, the Company paid certain upfront fees, which have been expensed as incurred because the developing technology has not yet reached technical feasibility, the lack of alternative use, and the lack of proof of potential value. The agreements cover a variety of fields, including influenza, cancer, human papillomavirus infection, (“HPV”), hepatitis B virus (“HBV”) and middle east respiratory syndrome (“MERS”). The Company’s obligations for future payments under these arrangements are dependent on its ability to develop promising drug candidates, the potential market for these candidates and potential competing products, and the payment mechanisms in place in countries where the Company retains the right to sell. Each agreement provides for specific milestone payments, typically triggered by achievement of certain testing phases in human candidates, and future royalties ranging from 1 to 5% for direct sales of a covered product to 3 to 7% of net payments received for allowable sublicenses of technology developed by the Company. The obligation to make these payments is contingent upon the Company’s ability to develop candidates for submission for phased testing and approvals, and for the development of markets for the products developed by the Company. The Company has not made or accrued any material payments under these license agreements during the nine month periods ended September 30, 2023 and 2022.

Leases

The Company leases certain laboratory and office space under operating leases, which are described below.

The Harwell Science and Innovation Campus, Oxfordshire

On September 3, 2021, the Company entered into a lease agreement for the lease of approximately 31,000 square feet in Harwell, Oxfordshire which expires in September 2031. The property is the Company’s corporate headquarters. As the Company’s leases typically do not provide an implicit rate, the Company uses an estimate of its incremental borrowing rate based on the information available at the lease commencement date, being the rate incurred to borrow on a collateralized basis over a similar term at an amount equal to the lease payments in a similar economic environment. The Company has provided the lessor with a refundable security deposit of $0.7 million which is included in Other assets.

Germantown, Maryland

On June 14, 2022, the Company entered into a lease agreement for the lease of approximately 19,700 square feet in Germantown, Maryland. The site will house the Company’s, state-of-the-art wet laboratory in the United States of America. The lease expires on February 28, 2034, with the Company having a single right to extend for an additional five years on the same terms and conditions other than for the base rent. The Company has a rent-free period up to February 29, 2024, and is entitled to up to $3.5 million for leasehold improvements to the premises desired by the Company. The Company has provided the lessor with a refundable security deposit of $0.2 million which is included in Other assets.

The Company recorded a right-of-use asset and a lease liability on the effective date of the lease term. The Company’s right-of-use asset and lease liability are as follows (in thousands):

	September 30,		December 31,
	2023		2022
Right-of-use asset	$	7,474	$	7,753
Operating lease liability, current	$	1,501	$	433
Operating lease liability, non-current	$	11,202	$	8,340

	Nine months ended September 30,
	2023			2022
Other information
Operating cash flows used for operating leases	$	396		$	1,569
Weighted average remaining lease term (years)		9.10			9.75
Weighted average discount rate		7.5	%		7.6	%

	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
Lease Cost
Short-term lease costs	$	—	$	152	$	189	$	356
Fixed lease costs		192		258		787		786
Total lease cost	$	192	$	410	$	976	$	1,142

Future annual minimum lease payments under operating leases as of September 30, 2023, were as follows (in thousands):

Remainder of 2023	$	233
2024		1,737
2025		1,889
2026		1,913
2027		1,937
Thereafter		9,835
Total minimum lease payments	$	17,544
Less: imputed interest		(4,841)
Total operating lease liability	$	12,703

Other contingencies

As of the date of this Quarterly Report on Form 10-Q, we do not believe we are party to any claim or litigation the outcome of which, if determined adversely to us, would individually or in the aggregate be reasonably expected to have a material adverse effect on our business. However, from time to time, we could be subject to various legal proceedings and claims that arise in the ordinary course of our business activities. Regardless of the outcome, legal proceedings can have an adverse impact on us because of defense and settlement costs, diversion of management resources and other factors.

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Related Party Transactions

9 Months Ended

Sep. 30, 2023

Related Party Transactions

Related Party Transactions

15.Related Party Transactions

During the three and nine months ended September 30, 2023, the Company incurred expenses of $0.1 million and $0.1 million respectively (three and nine months ended September 30, 2022: $Nil and $0.2 million respectively) to its shareholder, the University of Oxford, related to clinical study costs. As of September 30, 2023, the Company owed $0.1 million (December 31, 2022: $Nil) to the University of Oxford.

During the three and nine months ended September 30, 2023, the Company incurred expenses of $0.2 million and $0.6 million respectively (three and nine months ended September 30, 2022: $0.1 million and $0.4 million, respectively) from Oxford University Innovation Limited which is a wholly owned subsidiary of the Company’s shareholder, the University of Oxford. As of September 30, 2023, the Company owed $0.2 million (December 31, 2022: $Nil) to Oxford University Innovation Limited.

During the three and nine months ended September 30, 2023, the Company recognized license revenue of $Nil and $0.8 million respectively (three and nine months ended September 30, 2022: $6.2 million and $38.2 million respectively), from Oxford University Innovation Limited. As of September 30, 2023, the Company was owed $Nil (December 31, 2022: $5.5 million) from Oxford University Innovation Limited.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2023

Summary of Significant Accounting Policies

Use of Estimates

Use of Estimates

The preparation of unaudited condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue,income and expenses during the reporting period. The Company bases estimates and assumptions on historical experience when available and on various factors that it believes to be reasonable under the circumstances. The Company evaluates its estimates and assumptions on an ongoing basis. The Company’s actual results may differ from these estimates under different assumptions or conditions.

As of the date of issuance of these unaudited condensed consolidated financial statements, the Company is not aware of any specific event or circumstance that would require the Company to update its estimates, assumptions and judgments or revise the carrying value of its assets or liabilities. These estimates may change as new events occur and additional information is obtained and are recognized in the unaudited condensed consolidated financial statements as soon as they become known. Actual results could differ from those estimates and any such differences may be material to the Company’s financial statements.

Recently issued accounting pronouncements

Recently issued accounting pronouncements

From time to time, new accounting pronouncements are issued by the FASB or other standard setting bodies that the Company adopts as of the specified effective date. The Company qualifies as an “emerging growth company” as defined in the Jumpstart Our Business Startups Act of 2012 and has elected not to “opt out” of the extended transition related to complying with new or revised accounting standards, which means that when a standard is issued or revised and it has different application dates for public and nonpublic companies, the Company can adopt the new or revised standard at the time nonpublic companies adopt the new or revised standard and can do so until such time that the Company either (i) irrevocably elects to “opt out” of such extended transition period or (ii) no longer qualifies as an emerging growth company.

We have reviewed all recently issued standards and have determined that such standards will not have a material impact on our condensed consolidated financial statements or do not otherwise apply to our current operations.

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Net (Loss)/Income Per Share (Tables)

9 Months Ended

Sep. 30, 2023

Net (Loss)/Income Per Share

Schedule of computation of basic and diluted net (loss)/income per share

The following table sets forth the computation of basic and diluted net (loss)/income per share for the three months and nine months ended September 30, 2023, and 2022 (in thousands, except number of shares):

	Three months ended September 30,				Nine months ended September 30,
	2023			2022	2023		2022
Numerator:
Net (loss)/income	$	(14,110)	$	8,221	$	(56,157)	$	26,484
Net loss attributable to noncontrolling interest		38		21		103		47
Net (loss)/income attributable to Barinthus Bio shareholders	$	(14,072)	$	8,242	$	(56,054)	$	26,531
Denominator:
Weighted-average ordinary shares outstanding, basic		38,533,833		37,247,123		38,320,208		37,213,787
Effect of dilutive stock options		—		909,441		—		1,012,304
Weighted-average ordinary shares outstanding, diluted		38,533,833		38,156,564		38,320,208		38,226,092
Net (loss)/income per share attributable to ordinary shareholders, basic	$	(0.37)	$	0.22	$	(1.46)	$	0.71
Net (loss)/income per share attributable to ordinary shareholders, diluted	$	(0.37)	$	0.22	$	(1.46)	$	0.69

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Prepaid Expenses and Other Current Assets (Tables)

9 Months Ended

Sep. 30, 2023

Prepaid Expenses and Other Current Assets

Schedule of prepaid expenses and other current assets

Prepaid Expenses and Other Current Assets (in thousands):

	September 30,		December 31,
	2023		2022
Prepayments and accrued income	$	4,510	$	5,887
Value Added Tax receivable		1,719		—
Lease incentive receivable		—		1,770
Other		355		611
Total	$	6,584	$	8,268

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Accrued Expenses and Other Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2023

Accrued Expenses and Other Current Liabilities

Schedule of accrued expenses and other current liabilities

Accrued Expenses and Other Current Liabilities (in thousands):

	September 30,		December 31,
	2023		2022
Accrued manufacturing and clinical expenses	$	6,791	$	2,997
Accrued board of director compensation		37		9
Accrued bonus		1,720		1,925
Accrued payroll and employee benefits		979		928
Accrued professional fees		1,081		1,270
Accrued other		1,315		932
Total	$	11,923	$	8,061

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Fair Value (Tables)

9 Months Ended

Sep. 30, 2023

Fair Value

Schedule of financial instruments carried at fair value and classified within Level 3

The following table summarizes changes to our financial instruments carried at fair value and classified within Level 3 of the fair value hierarchy (in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2023		2022		2023		2022
Beginning balance	$	2,117	$	2,727	$	1,711	$	2,371
Change in fair value recognized in net income/(loss) 1		(244)		317		72		943
Foreign exchange translation recognized in other comprehensive loss		(76)		(208)		14		(478)
Ending balance	$	1,797	$	2,836	$	1,797	$	2,836

¹ During the fourth quarter of 2022, the Company reclassified the change in fair value of Contingent Consideration from Other income and expense to General and Administrative operating expense. For the three and nine month periods ending September 30, 2022, an expense of $0.3 million and $0.9 million, respectively, has been reclassified to conform the presentation for comparator periods.

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Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2023

Share-Based Compensation

Schedule of fair value stock option issued to employees

	Nine months ended
	September 30,
	2023		2022
Expected volatility	96.9	%	94.6	%
Expected term (years)	6.0		6.0
Risk-free interest rate	3.7	%	2.38	%
Expected dividend yield	—	%	—	%

Schedule of share based compensation expense

Share based compensation expense is classified in the unaudited condensed consolidated statements of operations and comprehensive loss as follows (in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
Research and development	$	(746)	$	535	$	1,400	$	2,065
General and administrative		803		569		2,869		5,771
Total	$	57	$	1,104	$	4,269	$	7,836

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Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2023

Commitments and Contingencies

Schedule of right-of-use asset and a lease liability

The Company’s right-of-use asset and lease liability are as follows (in thousands):

	September 30,		December 31,
	2023		2022
Right-of-use asset	$	7,474	$	7,753
Operating lease liability, current	$	1,501	$	433
Operating lease liability, non-current	$	11,202	$	8,340

Schedule of other information on lease liabilities

	Nine months ended September 30,
	2023			2022
Other information
Operating cash flows used for operating leases	$	396		$	1,569
Weighted average remaining lease term (years)		9.10			9.75
Weighted average discount rate		7.5	%		7.6	%

Schedule of company's Lease Cost

	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
Lease Cost
Short-term lease costs	$	—	$	152	$	189	$	356
Fixed lease costs		192		258		787		786
Total lease cost	$	192	$	410	$	976	$	1,142

Schedule of future annual minimum lease payments under operating leases

Future annual minimum lease payments under operating leases as of September 30, 2023, were as follows (in thousands):

Remainder of 2023	$	233
2024		1,737
2025		1,889
2026		1,913
2027		1,937
Thereafter		9,835
Total minimum lease payments	$	17,544
Less: imputed interest		(4,841)
Total operating lease liability	$	12,703

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Nature of Business and Basis of Presentation (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Nature of Business and Basis of Presentation
Cash and cash equivalents	$ 160,309	$ 194,385
Accumulated deficit	$ (159,297)	$ (103,243)

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Foreign Currency Transaction Gains/Losses in General and Administrative Expenses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Foreign Currency Transaction Gains/Losses in General and Administrative Expenses
Net foreign exchange gain	$ 6.6	$ 18.7	$ 1.1	$ 39.1

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Net (Loss)/Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator:
Net (loss)/income	$ (14,110)	$ (23,824)	$ (18,223)	$ 8,221	$ 15,689	$ 2,574	$ (56,157)	$ 26,484
Net loss attributable to noncontrolling interest	(38)			(21)			(103)	(47)
Net (loss)/income attributable to Barinthus Biotherapeutics plc shareholders	$ (14,072)			$ 8,242			$ (56,054)	$ 26,531
Denominator:
Weighted-average ordinary shares outstanding, basic	38,533,833			37,247,123			38,320,208	37,213,787
Effect of dilutive stock options				909,441				1,012,304
Weighted-average ordinary shares outstanding, diluted	38,533,833			38,156,564			38,320,208	38,226,092
Net (loss)/income per share attributable to ordinary shareholders, basic	$ (0.37)			$ 0.22			$ (1.46)	$ 0.71
Net (loss)/income per share attributable to ordinary shareholders, diluted	$ (0.37)			$ 0.22			$ (1.46)	$ 0.69

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Net (Loss)/Income Per Share - Diluted weighted-average shares outstanding (Details) - shares	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Antidilutive securities excluded from computation of earnings per share
Shares excluded from the computation of diluted weighted-average shares outstanding	909,441		1,012,304
Stock options
Antidilutive securities excluded from computation of earnings per share
Shares excluded from the computation of diluted weighted-average shares outstanding	3,201,290	6,391,680	2,697,808

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Property and Equipment, net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Property and Equipment, net
Depreciation expense	$ 0.7	$ 0.4	$ 1.6	$ 0.8
Leasehold improvements
Property and Equipment, net
Additions to property and equipment			$ 5.9	$ 6.8

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Intangible Assets, net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022
Intangible Assets, net
Amortization expense for intangible assets	$ 0.8	$ 0.8	$ 2.4	$ 2.4
Estimated annual amortization expense					$ 3.2
Developed technology
Intangible Assets, net
Intangible assets, gross	31.6		31.6			$ 31.6
Intangible assets, accumulated amortization	$ 5.7		$ 5.7			$ 3.3

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Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Prepaid Expenses and Other Current Assets
Prepayments and accrued income	$ 4,510	$ 5,887
Value Added Tax receivable	1,719
Lease incentive receivable		1,770
Other	355	611
Total	$ 6,584	$ 8,268

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Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accrued Expenses and Other Current Liabilities
Accrued manufacturing and clinical expenses	$ 6,791	$ 2,997
Accrued board of director compensation	37	9
Accrued bonus	1,720	1,925
Accrued payroll and employee benefits	979	928
Accrued professional fees	1,081	1,270
Accrued other	1,315	932
Total	$ 11,923	$ 8,061

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Ordinary Shares (Details)		9 Months Ended
	Apr. 21, 2021	Sep. 30, 2023 Vote	Nov. 06, 2023 EUR (€)
Ordinary Shares
Common shares, votes per share | Vote		1
Percentage of ordinary shares present to exercise preemptive rights		75.00%
Maximum period to exercise preemptive rights		5 years
Subsequent event
Ordinary Shares
Maximum aggregate nominal amount of shares authorized to be allotted free from pre-emption rights | €			€ 1,928
IPO
Ordinary Shares
Maximum period to exercise preemptive rights	5 years

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Deferred Shares (Details) - GBP (£) £ / shares in Units, £ in Millions	Sep. 30, 2023	Mar. 29, 2023	Dec. 31, 2022
Deferred shares
Deferred Shares
Ordinary shares, liquidation preference	£ 1.0
Deferred A Shares
Deferred Shares
Nominal value	£ 1	£ 1.00	£ 1
Deferred B Shares
Deferred Shares
Nominal value	0.01	0.01	0.01
Deferred C Shares
Deferred Shares
Nominal value	£ 0.000007	£ 0.00000736245954692556	£ 0.000007

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Fair Value - Additional information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2023
General and administrative
Convertible loan notes
General and administrative	$ 0.3	$ 0.9
Avidea
Convertible loan notes
Contingent consideration liability			$ 1.8

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Fair Value - Embedded derivatives (Details) - Embedded derivatives - Level 3 - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Fair value and classified within Level 3
Beginning balance	$ 2,117	$ 2,727	$ 1,711	$ 2,371
Change in fair value recognized in net income/(loss)	(244)	317	72	943
Foreign exchange translation recognized in other comprehensive loss	(76)	(208)	14	(478)
Ending balance	$ 1,797	$ 2,836	$ 1,797	$ 2,836

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Share-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Stock option
Share-Based Compensation
Exercise of stock options	6,391,680	4,976,180
Weighted average exercise price of options outstanding	$ 8.86	$ 8.90
Unrecognized compensation expenses related to options	$ 4.1	$ 8.7
Unrecognized compensation cost which is expected to be recognized over a weighted-average period	1 year 9 months 18 days	2 years 1 month 17 days
Barinthus Biotherapeutics plc Share Award Plan 2021
Share-Based Compensation
Number of unvested options canceled	664,449	372,916
Barinthus Biotherapeutics plc Share Award Plan 2021 | Stock option
Share-Based Compensation
Options granted	2,221,706	2,265,040
Weighted-average grant date per-share fair value of stock options granted	$ 1.99	$ 3.53
Weighted average exercise price of options granted	$ 2.50	$ 9.15
Barinthus Biotherapeutics plc Share Award Plan 2021 | Restricted share units, options, share appreciation rights and restricted shares
Share-Based Compensation
Percentage of issued and outstanding ordinary shares available for issuance under the Plan	4.00%

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Share-Based Compensation - Fair value of each stock option issued to employees - (Details) - Employee - Enterprise Management Incentive Share Option Scheme	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Share-Based Compensation
Expected volatility	96.90%	94.60%
Expected term (years)	6 years	6 years
Risk-free interest rate	3.70%	2.38%
Expected dividend yield	0.00%	0.00%

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Share-Based Compensation - Share based compensation expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-Based Compensation
Share based compensation expense	$ 57	$ 1,104	$ 4,269	$ 7,836
Research and development
Share-Based Compensation
Share based compensation expense	(746)	535	1,400	2,065
General and administrative
Share-Based Compensation
Share based compensation expense	$ 803	$ 569	$ 2,869	$ 5,771

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Commitments and Contingencies - Additional Information (Details) $ in Millions			9 Months Ended
	Jun. 14, 2022 USD ($) ft²	Sep. 03, 2021 USD ($) ft²	Sep. 30, 2023
Commitment and Contingencies
Number Of Square Feet Under Lease Agreement | ft²		31,000
Other Non-current Assets
Commitment and Contingencies
Refundable security deposit		$ 0.7
MARYLAND | Laboratory
Commitment and Contingencies
Number Of Square Feet Under Lease Agreement | ft²	19,700
Additional lease term	5 years
Leasehold improvement expense	$ 3.5
MARYLAND | Laboratory | Other Non-current Assets
Commitment and Contingencies
Refundable security deposit	$ 0.2
Maximum | In-License Agreements
Commitment and Contingencies
Percentage of future royalties for direct sales of a covered product			5.00%
Net payments received for allowable sublicenses of technology developed			7.00%
Minimum | In-License Agreements
Commitment and Contingencies
Percentage of future royalties for direct sales of a covered product			1.00%
Net payments received for allowable sublicenses of technology developed			3.00%

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Commitments and Contingencies - Effective data of the lease term (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Leases
Right-of-use asset	$ 7,474		$ 7,753
Operating lease liability, current	1,501		433
Operating lease liability, non-current	11,202		$ 8,340
Operating cash flows used for operating leases	$ 396	$ 1,569
Weighted average remaining lease term (years)	9 years 1 month 6 days	9 years 9 months
Weighted average discount rate	7.50%	7.60%

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Commitments and Contingencies - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Lease Cost
Short-term lease costs		$ 152	$ 189	$ 356
Fixed lease costs	$ 192	258	787	786
Total lease cost	$ 192	$ 410	$ 976	$ 1,142

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Commitments and Contingencies - Future annual minimum lease payments (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Future annual minimum lease payments under operating leases
Remainder of 2023	$ 233
2024	1,737
2025	1,889
2026	1,913
2027	1,937
Thereafter	9,835
Total minimum lease payments	17,544
Less: imputed interest	(4,841)
Total operating lease liability	$ 12,703

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Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
The University of Oxford
Related Party Transactions
Expenses incurred	$ 0.1	$ 0.0	$ 0.1	$ 0.2
Amount owed to related party	0.1		0.1		$ 0.0
Oxford University Innovation Limited
Related Party Transactions
Expenses incurred	0.2	0.1	0.6	0.4
Amount owed to related party	0.2		0.2		0.0
Revenue recognized	0.0	$ 6.2	0.8	$ 38.2
Amount owed from related party	$ 0.0		$ 0.0		$ 5.5