Jeroen Nicolaas Grasman - 19 May 2026 Form 4 Insider Report for Vaxart, Inc. (VXRT)

Reporting relationship: Chief Financial Officer
Issuer ticker: VXRT
Reported as of: 19 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 May 2026, 17:13:11 UTC
Prior SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Edward B. Berg

Key filing fact

Jeroen Nicolaas Grasman filed Form 4 for Vaxart, Inc. (VXRT) on 21 May 2026.

Key facts

This page summarizes Jeroen Nicolaas Grasman's Form 4 filing for Vaxart, Inc. (VXRT).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 May 2026, 17:13.

Change

Previous filing in this sequence was filed on 18 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002067766 Primary reporting owner

Grasman Jeroen Nicolaas

Relationship: Chief Financial Officer
Address: C/O VAXART, INC., 310 UTAH AVENUE, SUITE 150, SOUTH SAN FRANCISCO
Signature: /s/ Edward B. Berg
Signature date: 21 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

VXRT transaction

Common Stock

Tax liability

Transaction value
Shares: -31,395
Change %: -5.4%
Price: $0.6100^*
Shares after: 545,605
Date: 19 May 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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 May 19, 2026.