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): September 18, 2025

Vaxart, Inc.

(Exact name of registrant as specified in its charter)

Delaware	001-35285	59-1212264
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)
170 Harbor Way, Suite 300, South San Francisco, California		94080
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (650) 550-3500

Not Applicable

(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	Name of each exchange on which registered
Common Stock, $0.0001 par value	VXRT	*

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. ☐

* The registrant’s common stock is quoted on the OTCQX® Best Market under the symbol “VXRT.”

Item 8.01 Other Events.

Vaxart, Inc. (the “Company”) previously disclosed in its current report on Form 8-K, filed with the Securities and Exchange Commission (the “SEC”) on September 8, 2025, that the Company convened its special meeting of stockholders (the “Special Meeting”) on September 5, 2025, but adjourned the Special Meeting to provide the Company’s stockholders with additional time to vote on the proposal (the “Proposal”) listed in the proxy statement, which the Company filed with the SEC on August 6, 2025, for the Special Meeting. The reconvened Special Meeting was scheduled for September 19, 2025.

On September 18, 2025, the Company determined to withdraw the Proposal from stockholder consideration and will not be reconvening the adjourned Special Meeting.

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 hereunto duly authorized.

Date: September 18, 2025	VAXART, INC.
	/s/ Steven Lo
	Steven Lo
	President and Chief Executive Officer

XML

Document And Entity Information	Sep. 18, 2025
Document Information [Line Items]
Entity, Registrant Name	Vaxart, Inc.
Document, Type	8-K
Document, Period End Date	Sep. 18, 2025
Entity, Incorporation, State or Country Code	DE
Entity, File Number	001-35285
Entity, Tax Identification Number	59-1212264
Entity, Address, Address Line One	170 Harbor Way, Suite 300
Entity, Address, City or Town	South San Francisco
Entity, Address, State or Province	CA
Entity, Address, Postal Zip Code	94080
City Area Code	650
Local Phone Number	550-3500
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Title of 12(b) Security	Common Stock
Trading Symbol	VXRT
Entity, Emerging Growth Company	false
Amendment Flag	false
Entity, Central Index Key	0000072444