Sean Tucker - 02 Feb 2026 Form 4 Insider Report for Vaxart, Inc. (VXRT)

Role: SVP, Chief Scientific Officer
Signature: /s/ Edward Berg, Attorney-in-Fact
Issuer symbol: VXRT
Transactions as of: 02 Feb 2026
Net transactions value: -$5,638
Form type: 4
Filing time: 05 Feb 2026, 18:53:18 UTC
Previous filing: 01 Apr 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Tucker Sean	SVP, Chief Scientific Officer	C/O VAXART, INC., 170 HARBOR WAY, SUITE 300, SOUTH SAN FRANCISCO	/s/ Edward Berg, Attorney-in-Fact	05 Feb 2026	0001652204

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VXRT	Common Stock	Tax liability	$5,638	-9,265	-1.3%	$0.6085	731,225	02 Feb 2026	Direct	F1
holding	VXRT	Common Stock						51,465	02 Feb 2026	By joint tenancy with Frances Chang and Sean Tucker
holding	VXRT	Common Stock						9,060	02 Feb 2026	By Spouse

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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 February 2, 2026.