8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 12, 2022

T2 BIOSYSTEMS, INC.

(Exact name of registrant as specified in its charter)

Delaware	001-36571	20-4827488
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification Number)

101 Hartwell Avenue, Lexington, Massachusetts 02421

(Address of principal executive offices, including Zip Code)

(781) 761-4646

(Registrant’s telephone number, including area code)

N/A

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common stock, par value $0.001 per share	TTOO	The Nasdaq Stock Market LLC (Nasdaq Global Market)

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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. ☐

Item 7.01 Regulation FD Disclosure.

On April 12, 2022, T2 Biosystems, Inc. (the “Company”) hosted a virtual analyst and investor meeting and made available on its website the presentation materials attached as Exhibit 99.1 to this Current Report on Form 8-K to be presented during the meeting.

The furnishing of the attached presentation is not an admission as to the materiality of any information therein. The information contained in the slides is summary information that is intended to be considered in the context of more complete information included in the Company’s filings with the U.S. Securities and Exchange Commission (the “SEC”) and other public announcements that the Company has made and may make from time to time by press release or otherwise. The Company undertakes no duty or obligation to update or revise the information contained in this report, although it may do so from time to time as its management believes is appropriate. Any such updating may be made through the filing of other reports or documents with the SEC, through press releases or through other public disclosures. For important information about forward looking statements, see the slide titled “Forward Looking Statements” in Exhibit 99.1 attached hereto.

The information in this Item 7.01 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information contained in this Item 7.01 and in the presentation attached as Exhibit 99.1 to this Current Report shall not be incorporated by reference into any filing with the SEC made by the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit No.	Description
99.1	Company Slide Presentation
104	Cover Page Interactive Data File (embedded within the inline XBRL document.

SIGNATURES

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

Date: April 12, 2022	T2 BIOSYSTEMS, INC.
	By:	/s/ John Sprague
		John Sprague
		Chief Financial Officer

EX-99.1

Exhibit 99.1 Analyst and Investor Day (NASDAQ: TTOO) April 12, 2022

Forward-Looking Statements This presentation contains forward-looking statements. Such statements reflect the current views of senior management of T2 Biosystems, Inc. ( we , us , our , T2 , T2 Biosystems or the Company ) and include those about T2's goals, strategies, plans, objectives, prospects, milestones, future operations, business and industry, anticipated product benefits, future events and conditions and potential scenarios. Such statements and those that include the words “expect,” “intend,” “plan,” “believe,” “project,” “forecast,” “estimate,” “may,” “should,” “anticipate” and similar statements of a future or forward-looking nature identify forward-looking statements for purposes of the federal securities laws or otherwise. Forward-looking statements address matters that involve risks and uncertainties. Each forward-looking statement is subject to risks and uncertainties that could cause actual results to differ materially from those expressed or implied in such statement, including, for example: (i) our status as an early commercial-stage company and expectation to incur losses in the future; (ii) our ability to obtain marketing authorization from the FDA or regulatory clearance for additional product candidates in the United States or abroad; (iii) the market acceptance of our technology; (iv) our ability to timely and successfully develop and commercialize existing and future product candidates; (v) our lengthy and variable sales cycle and lack of sales history; (vi) our ability to successfully manage growth; (vii) federal, state and foreign regulatory requirements; (viii) our uncertain future capital needs and ability to raise future capital; (ix) dependence on third parties; (x) recruiting, training and retaining key personnel; (xi) competitive factors; (xii) manufacturing and other product risks; (xii) risks related to intellectual property; and (xiii) other risk factors included in our annual report on form 10-K filed with the Securities and Exchange Commission (SEC) on March 23, 2022 and other documents we file with the SEC from time to time. Accordingly, there are or will be important factors that could cause our actual results to differ materially from those indicated in these statements. The statements made herein speak only as of the date of this presentation. We do not undertake, and specifically disclaim, any obligation to update any forward- looking statements contained in this presentation. © 2022 T2 Biosystems. All Rights Reserved. 2

Agenda Company Overview – 5 min. John Sperzel, Chairman and CEO Panel Discussion: Culture-Independent Diagnostics – 30 min. Aparna Ahuja, MD, Chief Medical Officer James Snyder, PhD, DABMM, FAAM Thomas Walsh, MD, PhD Commercial Strategy – 10 min. Brett Giffin, Chief Commercial Officer Product Pipeline – 10 min. Roger Smith, Senior VP Science R&D Financial Summary – 5 min. John Sprague, Chief Financial Officer Q&A – 30 min. Management Team © 2022 T2 Biosystems. All Rights Reserved. 3

Company Overview John Sperzel, Chairman and CEO © 2022 T2 Biosystems. All Rights Reserved. 4

Our mission is to fundamentally change the way medicine is practiced through transformative culture-independent diagnostics that improve the lives of patients around the world © 2022 T2 Biosystems. All Rights Reserved. 5

Investment Highlights Proprietary Platform Novel Diagnostics Large Market Opportunity Innovative proprietary Direct from blood ID Initial target market technology platform in 3-5 hours $2 billion+ (magnetic resonance) (culture independent) Established Reimbursement Robust Product Pipeline Commercially Focused U.S. hospital in-patient BARDA contract may Commercial focus testing is covered fund up to $69 million on hospital market (DRG payment system) (milestone-based) © 2022 T2 Biosystems. All Rights Reserved. 1. Proprietary technology platform with potential to become standard of care in sepsis management 6

Significant Economic and Human Toll from Sepsis Sepsis is the leading cost, cause of death, and cause of readmission in U.S. hospitals • Sepsis is the #1 cost of U.S. hospitalization 1 ($62 billion annually) • Sepsis is the #1 cause of death in U.S. hospitals 2 (270,000 deaths annually) • Sepsis is the #1 cause of 30-day readmission in U.S. hospitals 1 (~20% readmission) 1. https://journals.lww.com/ccmjournal/FullText/2020/03000/Sepsis_Among_Medicare_Beneficiaries__3__The.4.aspx © 2022 T2 Biosystems. All Rights Reserved. 7 2. Centers for Disease Control and Prevention.

2022 Corporate Priorities ACCELERATE SALES ENHANCE OPERATIONS ADVANCE PIPELINE © 2022 T2 Biosystems. All Rights Reserved. 8

Panel Discussion Aparna Ahuja, MD, Chief Medical Officer James Snyder, Ph.D., DABMM, FAAM Tom Walsh, MD, Ph.D. © 2022 T2 Biosystems. All Rights Reserved. 9

Sepsis Represents $62 Billion in U.S. Healthcare Costs 2,3 Claims more U.S. lives each year than the top three cancers combined: lung, colorectal, breast Costs the U.S. Causes the death of Claims more lives each healthcare system nearly 270,000 year than the three top 1 2 $62 billion annually Americans annually cancers combined (lung, colorectal, 2,3 breast) Hospitalized COVID-19 patients face a 22 percent higher risk of developing sepsis and are 4 113 percent more likely to experience septic shock compared to hospitalized influenza patients 1. Buchman TG, et al. Sepsis Among Medicare Beneficiaries: 3. The Methods, Models, and Forecasts of Sepsis, 2012-2018. Crit Care Med. 2020 Mar;48(3):302-3188l 2. Centers for Disease Control and Prevention [Internet]. c2020. Sepsis: Clinical Information. Available from: https://www.cdc.gov/sepsis/clinicaltools/index.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fsepsis%2Fdatareports%2Findex.html; 3. Centers for Disease Control and Prevention [Internet]. c2021. An Update on Cancer Deaths in the United States. Available from: https://www.cdc.gov/cancer/dcpc/research/update-on-cancer-deaths/; 4. Epic Health Research Network © 2022 T2 Biosystems. All Rights Reserved. 10 [Internet]. c2021. Sepsis Mortality Rates are Higher in Patients Hospitalized for COVID-19 Than for Influenza. Available from: https://ehrn.org/articles/sepsis-and-mortality-rates-are-higher-in- patients-hospitalized-for-covid-19-than-for-influenza

The Challenge of Detecting Sepsis-Causing Pathogens The current standard is a race against time, relying on empiric probability-based protocols HOUR HOUR HOUR HOUR 0 24 48 72+ Empiric Protocol is only optimal in 30-60% of cases Broad Spectrum Antibiotics Each hour of delayed treatment increases mortality risk by 7.6% during Multiple Additional antibiotics/ Additional antibiotics/ Additional antibiotics/ 1 Septic Shock Cultures antifungals delivered antifungals delivered antifungals delivered Blood sample Average time for Blood sample is drawn blood culture-based Is incubated identification 1. Kumar, A., Roberts, D., Wood, K.E., et al, (2006). Duration of hypotension before initiation of effective antimicrobial therapy is the critical determinant of © 2022 T2 Biosystems. All Rights Reserved. survival in human septic shock. Critical care medicine, 34(6), 1589-1596. 11

Rapid Detection of Sepsis-Causing Pathogens is Critical T2 Biosystems provides species and resistance gene identification directly from whole blood within 3-5 hours of the first blood draw, often before the second dose of broad-spectrum antibiotics is delivered, enabling clinicians to achieve targeted therapy faster than the current standard of care. © 2022 T2 Biosystems. All Rights Reserved. 1. Peker, N., et al. Table 1. Clin Microb & Inf, 2018 12

Novel Culture-Independent BSI and AMR Diagnostics Fully-automated T2Dx Instrument, Sepsis Test Panels and SARS-CoV-2 Panel Rapid: Results in 3-5 hours 1 2 3 4 Sensitivity: 91% Sensitivity: 90% Sensitivity: ≥ 99% PPA: 95% 2 3 4 1 2 Specificity: 98% Specificity: ≥ 99% NPA: 100% Easy-to-use: Specificity: 99% Se9.4% 4 PPA: 95% No sample preparation required mecA/C Detects all 4 NPA: 100% C. albicans E. faecium emerging variants** vanA/B Sensitive and Specific: C. tropicalis S. aureus CTXM-14/15 900 GE/mL – ~1 CFU/mL LoD and >98% Specificity C. parapsilosis K. pneumoniae contrived KPC C. krusei P. aeruginosa OXA-48 Group 2000 GE/mL – C. glabrata E. coli patient samples NDM, VIM, IMP AmpC (CMY/DHA) FDA-Cleared RUO* (US only) FDA - For Emergency FDA-Cleared CE-marked CE-marked CE-marked Use Authorization only 1-3 CFU/mL LoD 2-11 CFU/mL LoD 3-11 CFU/mL LoD **alpha, beta, gamma, delta, lambda, mu, iota, omicron *T2Resistance is not FDA cleared 1. Mylonakis E, et al. T2 magnetic resonance assay for the rapid diagnosis of candidemia in whole blood: a clinical trial. Clin Infect Dis. 2015 Mar 15;60(6):892-9; © 2022 T2 Biosystems. All Rights Reserved. 2. Nguyen MH, et al. Performance of the T2Bacteria panel for diagnosing bloodstream infections: a diagnostic accuracy study. Ann Intern Med. 2019 Jun 13 18;170(12):845-852; 3. T2Resistance data on file; 4. T2SARS-CoV-2 data on file.

Meta-analysis of 14 Controlled Studies (Peer-Reviewed) Highlights benefits of T2 Biosystems sepsis technology vs. blood culture Title: Antimicrobial and Resource Utilization with T2 Magnetic Resonance for Rapid Diagnosis of Bloodstream Infections: Systematic Review with Meta-analysis of Controlled Studies (2021) Authors: Maddalena Giannella, George A. Pankey, Renato Pascale, Valerie M. Miller, Larry E. Miller, Tamara Seitz Journal: Expert Review of Medical Devices Seven Outcomes Evaluated • Time to detection 81 hours faster with T2MR • Time to species identification 77 hours faster with T2MR • Patients testing positive on T2MR received targeted antimicrobial therapy 42 hours faster • Patients testing negative on T2MR de-escalated from empirical therapy 7 hours faster • Length of ICU stay 5 days shorter with T2MR • Length of hospital stay 4.8 days shorter with T2MR • Mortality rates were comparable between T2MR and BC Giannella M, et al. Antimicrobial and resource utilization with T2 magnetic resonance for rapid diagnosis of bloodstream infections: systematic review with © 2022 T2 Biosystems. All Rights Reserved. 14 meta-analysis of controlled studies. Expert Rev Med Devices. 2021 May;18(5):473-482.

Panel Discussion: Culture-Independent Diagnostics © 2022 T2 Biosystems. All Rights Reserved. 15

Commercial Strategy Brett Giffin, Chief Commercial Officer © 2022 T2 Biosystems. All Rights Reserved. 16

Commercial Strategy Increase instrument installed base and expand sepsis testing UNITED STATES MARKET INTERNATIONAL MARKET - Installed base: 90 T2Dx Instruments - Installed base: 55 T2Dx Instruments - Sales force expansion - Sales force expansion - Enhanced training programs - Geographic expansion (EU/ME, APAC, LATAM) - Instrument placement programs - Enhanced distributor training and support - Transition COVID-driven instruments to sepsis testing Collaboration with Medical Affairs to increase sepsis test utilization and clinical value awareness © 2022 T2 Biosystems. All Rights Reserved. 17 17

Growing Independent Support for T2 Technology Included in dozens of independent, real-world clinical case studies demonstrating clinical utility of T2Bacteria and T2Candida (www.t2biosystems.com) TM U.S. Food & Drug Administration granted breakthrough device designation for T2Resistance Panel ® U.S. Centers for Medicare & Medicaid Services (CMS) established T2Bacteria as first diagnostic product to gain incremental reimbursement through its New Technology Add-on Payment (NTAP) U.S. Department of Health and Human Services (i.e., BARDA) awarded T2 Biosystems with up to $69 million in milestone-based product development funding Vizient, Inc. awarded T2 Biosystems with Innovative Technology contract, providing access to more than 50 percent of the nation’s acute care hospitals, 95 percent of all academic medical centers and 20 percent of the country’s ambulatory market © 2022 T2 Biosystems. All Rights Reserved. 1. United States CMS FY 2020 inpatient prospective system final rule 18

Implementation Strategy Execution - Sales, Medical Affairs, Service Education Implementation Identify Use Cases Routine Testing Clinical and economic value Patient selection criteria: Secure approval for go-live and Establish patient sample and incorporation into sepsis protocol proposition Hematology/Oncology, ICU, results reporting workflow Transplant Post go live customer support Instrument installation Prepared to run clinical samples Routine clinical use © 2022 T2 Biosystems. All Rights Reserved. 19

Product Pipeline Roger Smith, Senior VP Science R&D © 2022 T2 Biosystems. All Rights Reserved. 20

T2 Biosystems’ Product Pipeline Product Name Collaborator Phase I Phase II Phase III Phase IV Phase V (Feasibility) (Development) (Verification) (Clinical/Regulatory) (Commercial Launch) Initiated U.S. Trial ® Launched (EU) - CE mark T2Resistance Panel BARDA (Q4 2021) Initiated U.S. Trial ® T2Biothreat Panel BARDA (Q4 2021) Ongoing Comprehensive BSI & AMR Panel BARDA Ongoing BARDA Next-Generation Instrument ® Self-funded T2Cauris Panel ® Self-funded T2Lyme Panel © 2022 T2 Biosystems. All Rights Reserved. 21

® T2Resistance Panel The first direct-from-blood detection of antibiotic resistance markers • Detection of 13 antibiotic resistance genes from • Covers the most clinically important antibiotic both Gram-positive and Gram-negative pathogens resistance pathogens direct-from-blood, without the wait for blood culture - Carbapenem-resistant Acinetobacter - Carbapenem-resistant Enterobacteriaceae (CRE) ® • Performed on the T2Dx Instrument with results in 3-5 - Extended-spectrum Beta-lactamase (ESBL) producing hours Enterobacteriaceae • Obtained CE Mark and launched in Europe - Vancomycin-Resistant Enterococci (VRE) - Methicillin-Resistant S. aureus (MRSA) • Granted “Breakthrough Device” designation by FDA • The CDC estimates that these infections result in • Initiated U.S. clinical trial in December 2021 over 590,000 hospitalizations and 25,000 deaths 1 annually in the US • Proposed submission to FDA in 2022 • ~46% of patients are given inappropriate empiric therapy, many associated with antimicrobial resistance 2 infections • Rapid diagnosis of patients with resistance infections is essential to getting them on appropriate therapy and 2 reducing mortality 1. https://www.cdc.gov/drugresistance/pdf/threats-report/2019-ar-threats-report-508.pdf © 2022 T2 Biosystems. All Rights Reserved. 22 2. Pau/ M, Shani V, Muchtar E, Kariv G, Robenshtok E, Leibovici L. Systematic review and meta-analysis of the efficacy of appropriate empiric antibiotic therapy for sepsis. Antimicrob Agents Chemother. 2010;54(11):4851-4863. doi:10.1128/AAC.00627-10

® T2Biothreat Panel Novel direct-from-blood detection of biothreat pathogens 1 • Simultaneously detects 6 biothreat pathogens direct-from-blood, without the wait for blood culture • Proposed to be an aid in the diagnosis of anthrax, tularemia, melioidosis, glanders, typhus fever and plague • Bioterrorism is a real threat to U.S. security - 1984 - Russia was reported to have used bioterrorism in Afghanistan - 2001 - U.S. congressional members attacked with anthrax – over 22 illnesses and 5 deaths - 2022 - U.S. Government warns of potential use of biological weapons by Russia in Ukraine • Based on reported data, the panel is expected to be more sensitive than other FDA cleared molecular tests • Proposed submission to FDA in 2022 © 2022 T2 Biosystems. All Rights Reserved. 1. Noted by the CDC to be Category A or B biothreat agents 23

Comprehensive Panel Bloodstream Infections (BSI) and Antimicrobial Resistance (AMR) • Direct-from-blood test panel with results in approximately 3 hours • Detects a combination of genus, complex, species and resistance markers • Proposed to detect >95% of blood stream infections from a single blood sample Market Research: Infectious Disease Physician and Pharmacist Responses “I think this is very exciting technology and I would be excited to have something like that brought on to my institution, so I could definitely see this advantageous for having available for our sepsis patients.” “..is this [comprehensive panel] helpful to me as a clinician for faster treatment and antimicrobial stewardship? – There is no doubt!” “I could see broad interest in this. Our hospitalist and intensivists would want to use this.” © 2022 T2 Biosystems. All Rights Reserved. Market Research Data on File 24

Next-Generation Instrument Design specifications • Random access, fully-automated system able to process multiple samples simultaneously • Designed in parallel with comprehensive panel for BSI and AMR • Requires no up-front sample processing • Processes whole blood samples • Utilizes a self-contained consumable for easy loading and disposal 3D graphic image rendering is subject to change © 2022 T2 Biosystems. All Rights Reserved. 25

Financial Summary John Sprague, Chief Financial Officer © 2022 T2 Biosystems. All Rights Reserved. 26

Financial Summary 1 2022 Guidance 2021 2020 % Change 55% Total Revenue $28-31 million $28.1 million $18.1 million 42% Product Revenue $16-17 million $16.6 million $11.7 million 78% R&D Revenue $12-14 million $11.4 million $6.4 million T2Dx Instruments 60-70 32 57 2 Cash Balance $33.8 million 1. Guidance assumes a decrease in sales of COVID-19 tests compared to 2021 and doubling core sepsis business compared to 2021 © 2022 T2 Biosystems. All Rights Reserved. 2. Includes $1.5 million restricted cash. 27

Q&A T2 Biosystems Management Team © 2022 T2 Biosystems. All Rights Reserved. 28

XML

Document and Entity Information	Apr. 12, 2022
Cover [Abstract]
Amendment Flag	false
Entity Central Index Key	0001492674
Document Type	8-K
Document Period End Date	Apr. 12, 2022
Entity Registrant Name	T2 BIOSYSTEMS, INC.
Entity Incorporation State Country Code	DE
Entity File Number	001-36571
Entity Tax Identification Number	20-4827488
Entity Address, Address Line One	101 Hartwell Avenue
Entity Address, City or Town	Lexington
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02421
City Area Code	(781)
Local Phone Number	761-4646
Written Communications	false
Soliciting Material	false
Pre Commencement Tender Offer	false
Pre Commencement Issuer Tender Offer	false
Security 12b Title	Common stock, par value $0.001 per share
Trading Symbol	TTOO
Security Exchange Name	NASDAQ
Entity Emerging Growth Company	false