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CIK 0000072444 · Accelerated filer<br>Smaller reporting company

Vaxart, Inc.

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Ticker
VXRT
Exchange
OTC
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
591212264
Phone
(650) 550-3500
Business address
310 UTAH AVENUE, SUITE 150, SOUTH SAN FRANCISCO, CA
Former names
Aviragen Therapeutics, Inc., Biota Pharmaceuticals, Inc., NABI BIOPHARMACEUTICALS, NABI BIOPHARMACEUTICALS, NABI /DE/, NORTH AMERICAN BIOLOGICALS INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-03-24 Cummings James F. Chief Medical Officer Shares withheld for taxes −30,551 $0.69 $21K 927,469
2026-03-24 Lo Steven President, Chief Exec Officer Shares withheld for taxes −126,028 $0.69 $87K 2,485,606
2026-03-24 Tucker Sean SVP, Chief Scientific Officer Shares withheld for taxes −36,418 $0.69 $25K 886,735
2026-03-18 Berg Edward B SVP, General Counsel Shares withheld for taxes −8,072 $0.63 $5K 791,786
2026-03-18 Cummings James F. Chief Medical Officer Shares withheld for taxes −6,772 $0.63 $4K 958,020
2026-03-18 Lo Steven President, Chief Exec Officer Shares withheld for taxes −22,425 $0.63 $14K 2,611,634
2026-03-18 Tucker Sean SVP, Chief Scientific Officer Shares withheld for taxes −8,072 $0.63 $5K 923,153
2026-03-16 Lo Steven President, Chief Exec Officer Grant or award +846,500 2,634,059
2026-03-16 Lo Steven President, Chief Exec Officer Grant or award · Stock Option (right to buy) +1,543,000 1,543,000
2026-03-16 Tucker Sean SVP, Chief Scientific Officer Grant or award +200,000 931,225
2026-03-16 Tucker Sean SVP, Chief Scientific Officer Grant or award · Stock Option (right to buy) +410,000 410,000
2026-03-16 Grasman Jeroen Nicolaas Chief Financial Officer Grant or award +227,000 577,000
2026-03-16 Grasman Jeroen Nicolaas Chief Financial Officer Grant or award · Stock Option (right to buy) +455,000 455,000
2026-03-16 Cummings James F. Chief Medical Officer Grant or award +227,000 964,792
2026-03-16 Cummings James F. Chief Medical Officer Grant or award · Stock Option (right to buy) +455,000 455,000
2026-03-16 Berg Edward B SVP, General Counsel Grant or award +115,000 799,858
2026-03-16 Berg Edward B SVP, General Counsel Grant or award · Stock Option (right to buy) +225,000 225,000
2026-02-02 Cummings James F. Chief Medical Officer Shares withheld for taxes −7,965 $0.61 $5K 737,792
2026-02-02 Berg Edward B SVP, General Counsel Shares withheld for taxes −9,265 $0.61 $6K 684,858
2026-02-02 Tucker Sean SVP, Chief Scientific Officer Shares withheld for taxes −9,265 $0.61 $6K 731,225

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