<div id="readability-page-1"><div>Lo Steven Chief Executive Officer of Vaxart Inc [VXRT] filed a Form 4 on December 8, 2025 with the Securities and Exchange Commission disclosing the following changes in ownership:<div><table><tbody><tr><th>Date</th><th>Transaction</th><th>Shares</th><th>Price</th><th>Value</th></tr><tr><td>12/4/25</td><td>Exercise</td><td>151,351</td><td>$0.00</td><td>N/A</td></tr><tr><td>12/4/25</td><td>Surrender(1)</td><td>54,153</td><td>$0.37</td><td>$20,037</td></tr></tbody></table></div>Ending Holdings: 1,887,559 (1,787,559 - Direct, 100,000 - Indirect)<ul><li>(1)</li><li>Surrender of shares back to company to pay option exercise cost and/or resulting tax liability.</li></ul>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data. </div></div>

VXRT

Vaxart Inc's CEO, Lo Steven, filed a Form 4 with the SEC, revealing changes in ownership. On December 4, 2025, he exercised 151,351 shares and surrendered 54,153 shares at $0.37 each to cover option exercise costs and tax liabilities. His ending holdings are 1,887,559 shares, with 1,787,559 held directly and 100,000 indirectly.

CEO Lo Acquires 97,198 Of Vaxart Inc [VXRT]