Vaxart, Inc

Item 5.07 Submission of Matters to a Vote of Security Holders. On July 16, 2026, Vaxart, Inc. (the “Company”) held the Company’s 2026 annual meeting of stockholders (the “Annual Meeting”). Proxies had been submitted by stockholders representing approximately 45.7% of the shares of the Company’s common stock outstanding and entitled to vote, which constituted a quorum. At the Annual Meeting, the Company’s stockholders voted on three Proposals, each of which is described in more detail in the proxy statement for the Annual Meeting (the “Proxy Statement”). The following is a brief description of each matter voted upon and the results, including the number of votes cast for and against each matter and, if applicable, the number of abstentions and broker non-votes with respect to each matter. Proxies for the Annual Meeting were solicited pursuant to Section 14(a) of the Securities Exchange Act of 1934, as amended. Proposal 1. Stockholders elected the six nominees for directors to serve until the Company’s 2027 annual meeting of stockholders or until their successors are duly elected and qualified. The voting results were as follows: Director Name Votes For Votes Withheld Broker Non-Votes ─────────────────────────────────────────────────────────────────────────────────────────────── James B. Breitmeyer, M.D., Ph. D. 86,985,391 13,060,491 10,585,218 Kevin P. Finney 80,409,424 19,636,458 10,585,218 Elaine J. Heron, Ph. D. 51,372,172 48,672,711 10,586,217 Steven Lo 50,272,817 49,772,065 10,586,218 W. Mark Watson, C.P.A. 77,497,037 22,548,845 10,585,218 David Wheadon, M.D. 51,931,124 48,113,758 10,586,218 Proposal 2. Stockholders ratified the selection by the Audit Committee of WithumSmith+Brown, PC as the Company’s independent registered public accounting firm for the year ending December 31, 2026. The voting results were as follows: Votes For Votes Against Abstentions Broker Non-Votes ──────────────────────────────────────────────────────────────────────── 80,448,931 19,724,442 10,457,727 - Proposal 3. Stockholders did not approve, on a non-binding, advisory basis, the compensation of the Company’s named executive officers as disclosed in the Proxy Statement. The voting results were as follows: Votes For Votes Against Abstentions Broker Non-Votes ──────────────────────────────────────────────────────────────────────── 46,024,068 51,842,781 2,300,962 10,463,289

Item 7.01 Regulation FD Disclosure. On July 17, 2026, the Company issued a press release announcing the voting results of the Annual Meeting. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information in this Item 7.01, and Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, regardless of any general incorporation language in such filing.