X0609 4 2026-03-24 0000072444 Vaxart, Inc. VXRT 0001912178 Berg Edward B false C/O VAXART, INC. 170 HARBOR WAY, SUITE 300 SOUTH SAN FRANCISCO CA 94080 1 SVP, General Counsel 0 Common Stock 2026-03-24 4 F 0 36418 0.694 D 755368 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 March 24, 2026. This amount includes 70,781 shares acquired under the Vaxart, Inc. 2022 Employee Stock Purchase Plan. /s/ Edward B. Berg 2026-03-26