Sean Tucker

CIK: 0001652204

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (25.0%)

Compensation grants

Other (G, F, J, C, D, …)6 (75.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

VXRT

Vaxart, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (8 total)

VXRT
Vaxart, Inc.
Mar 24, 2026
Tax Payment(F)
Direct
36.4K shares at avg. $0.69$25K
VXRT
Vaxart, Inc.
Mar 18, 2026
Tax Payment(F)
Direct
8.1K shares at avg. $0.63$5K
VXRT
Vaxart, Inc.
Mar 16, 2026
Award(A)
Direct
200K shares-
VXRT
Vaxart, Inc.
Feb 2, 2026
Tax Payment(F)
Direct
9.3K shares at avg. $0.61$6K
VXRT
Vaxart, Inc.
Mar 28, 2025
Tax Payment(F)
Direct
3.9K shares at avg. $0.42$2K
VXRT
Vaxart, Inc.
Mar 24, 2025
Award(A)
Direct
406K shares-
VXRT
Vaxart, Inc.
Mar 18, 2025
Tax Payment(F)
Direct
8.1K shares at avg. $0.57$5K
VXRT
Vaxart, Inc.
Feb 2, 2025
Tax Payment(F)
Direct
9.2K shares at avg. $0.68$6K

		Type	Shares	Price		Ownership
Mar 24, 2026	VXRT Vaxart, Inc.	Tax Payment(F)	36,418	$0.69	$25,274	Direct
Mar 18, 2026	VXRT Vaxart, Inc.	Tax Payment(F)	8,072	$0.63	$5,122	Direct
Mar 16, 2026	VXRT Vaxart, Inc.	Award(A)	200,000	-	$0	Direct
Feb 2, 2026	VXRT Vaxart, Inc.	Tax Payment(F)	9,265	$0.61	$5,638	Direct
Mar 28, 2025	VXRT Vaxart, Inc.	Tax Payment(F)	3,913	$0.42	$1,648	Direct
Mar 24, 2025	VXRT Vaxart, Inc.	Award(A)	406,000	-	-	Direct
Mar 18, 2025	VXRT Vaxart, Inc.	Tax Payment(F)	8,050	$0.57	$4,590	Direct
Feb 2, 2025	VXRT Vaxart, Inc.	Tax Payment(F)	9,242	$0.68	$6,283	Direct

1-8 of 8 transactions

About Tucker Sean

Tucker Sean (SEC CIK 0001652204) files insider reports with the SEC as SVP, Chief Scientific Officer of Vaxart, Inc. (VXRT).

Signal8 holds 8 ownership filings by Tucker Sean, all Form 4s, filed between Feb 4, 2025 and Mar 26, 2026. Those filings report 8 transactions, from Feb 2, 2025 to Mar 24, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Tucker Sean's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Tucker Sean

Mar 24, 2026: Tax withholding of VXRT shares (Form 4, code F).
Mar 18, 2026: Tax withholding of VXRT shares (Form 4, code F).
Mar 16, 2026: Grant or award of VXRT shares (Form 4, code A).
Feb 2, 2026: Tax withholding of VXRT shares (Form 4, code F).
Mar 28, 2025: Tax withholding of VXRT shares (Form 4, code F).

Other insiders filing for Vaxart, Inc. (VXRT)

Bono Raquel C., Director
Finney Kevin, Director
BREITMEYER JAMES B, Director
HERON ELAINE J, Director
Watson W. Mark, Director
Wheadon David E., Director

How to read Form 4 transaction codes