X0609 4 2026-05-19 0000072444 Vaxart, Inc. VXRT 0002067766 Grasman Jeroen Nicolaas false C/O VAXART, INC. 310 UTAH AVENUE, SUITE 150 SOUTH SAN FRANCISCO CA 94080 1 Chief Financial Officer 0 Common Stock 2026-05-19 4 F 0 31395 0.61 D 545605 D Represents shares that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of RSUs vested as of May 19, 2026. /s/ Edward B. Berg 2026-05-21