X0609 4 2026-07-16 0000072444 Vaxart, Inc. VXRT 0001789507 Wheadon David E. false C/O VAXART, INC. 310 UTAH AVENUE, SUITE 150 SOUTH SAN FRANCISCO CA 94080 1 0 Common Stock 2026-07-16 4 A 0 39400 0 A 86150 D Stock Options (right to buy) 0.5149 2026-07-16 4 A 0 78700 0 A 2036-07-16 Common Stock 78700 78700 D Grant of shares upon vesting of restricted stock units. The shares underlying the award shall vest on the earlier of the date immediately prior of the 2027 annual meeting of stockholders of the Issuer and July 16, 2027, the first anniversary date of the grant. The shares subject to this option shall vest on the earlier of the date immediately prior of the 2027 annual meeting of stockholders of the Issuer and July 16, 2027, the first anniversary of the date of the grant. /s/ Edward Berg, Attorney-in-Fact 2026-07-17