Stocks
VXRT Vaxart, Inc.

VXRT

Vaxart, Inc.

Company with tickers: VXRT

CIK

72444

CUSIP

92243A200

Shares Outstanding

241,973,011

Price History Institutional Holders Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2033-03-17	Lee Phillip E	Chief Financial Officer	Award	410,000	—	—	410,000
2026-05-19	Grasman Jeroen Nicolaas	Chief Financial Officer	Tax	31,395	$0.61	$19,151	545,605
2026-04-23	BREITMEYER JAMES B	Director	Award	157,400	—	—	157,400
2026-04-23	BREITMEYER JAMES B	Director	Award	78,800	—	—	78,800
2026-04-23	BREITMEYER JAMES B	Director	Other	0	—	—	0
2026-03-28	Cummings James F.	Chief Medical Officer	Tax	3,292	$0.65	$2,140	924,177
2026-03-28	Tucker Sean	SVP, Chief Scientific Officer	Other	51,465	—	—	51,465
2026-03-28	Tucker Sean	SVP, Chief Scientific Officer	Tax	3,924	$0.65	$2,551	882,811
2026-03-28	Tucker Sean	SVP, Chief Scientific Officer	Other	9,060	—	—	9,060
2026-03-24	Cummings James F.	Chief Medical Officer	Tax	30,551	$0.69	$21,202	927,469
2026-03-24	Berg Edward B	SVP, General Counsel	Tax	36,418	$0.69	$25,274	755,368
2026-03-24	Lo Steven	Director, President, Chief Exec Officer	Tax	126,028	$0.69	$87,463	2,485,606
2026-03-24	Lo Steven	Director, President, Chief Exec Officer	Other	100,000	—	—	100,000
2026-03-24	Tucker Sean	SVP, Chief Scientific Officer	Tax	36,418	$0.69	$25,274	886,735
2026-03-24	Tucker Sean	SVP, Chief Scientific Officer	Other	9,060	—	—	9,060
2026-03-24	Tucker Sean	SVP, Chief Scientific Officer	Other	51,465	—	—	51,465
2026-03-18	Cummings James F.	Chief Medical Officer	Tax	6,772	$0.63	$4,298	958,020
2026-03-18	Lo Steven	Director, President, Chief Exec Officer	Tax	22,425	$0.63	$14,231	2,611,634
2026-03-18	Lo Steven	Director, President, Chief Exec Officer	Other	100,000	—	—	100,000
2026-03-18	Tucker Sean	SVP, Chief Scientific Officer	Tax	8,072	$0.63	$5,122	923,153
2026-03-18	Tucker Sean	SVP, Chief Scientific Officer	Other	9,060	—	—	9,060
2026-03-18	Tucker Sean	SVP, Chief Scientific Officer	Other	51,465	—	—	51,465
2026-03-18	Berg Edward B	SVP, General Counsel	Tax	8,072	$0.63	$5,122	791,786
2026-03-16	Cummings James F.	Chief Medical Officer	Award	227,000	—	—	964,792
2026-03-16	Cummings James F.	Chief Medical Officer	Award	455,000	—	—	455,000
2026-03-16	Lo Steven	Director, President, Chief Exec Officer	Award	1,543,000	—	—	1,543,000
2026-03-16	Lo Steven	Director, President, Chief Exec Officer	Other	100,000	—	—	100,000
2026-03-16	Lo Steven	Director, President, Chief Exec Officer	Award	846,500	—	—	2,634,059
2026-03-16	Tucker Sean	SVP, Chief Scientific Officer	Other	51,465	—	—	51,465
2026-03-16	Tucker Sean	SVP, Chief Scientific Officer	Award	410,000	—	—	410,000
2026-03-16	Tucker Sean	SVP, Chief Scientific Officer	Other	9,060	—	—	9,060
2026-03-16	Tucker Sean	SVP, Chief Scientific Officer	Award	200,000	—	—	931,225
2026-03-16	Grasman Jeroen Nicolaas	Chief Financial Officer	Award	227,000	—	—	577,000
2026-03-16	Grasman Jeroen Nicolaas	Chief Financial Officer	Award	455,000	—	—	455,000
2026-03-16	Berg Edward B	SVP, General Counsel	Award	225,000	—	—	225,000
2026-03-16	Berg Edward B	SVP, General Counsel	Award	115,000	—	—	799,858
2026-02-02	Berg Edward B	SVP, General Counsel	Tax	9,265	$0.61	$5,638	684,858
2026-02-02	Cummings James F.	Chief Medical Officer	Tax	7,965	$0.61	$4,847	737,792
2026-02-02	Tucker Sean	SVP, Chief Scientific Officer	Tax	9,265	$0.61	$5,638	731,225
2026-02-02	Tucker Sean	SVP, Chief Scientific Officer	Other	9,060	—	—	9,060
2026-02-02	Tucker Sean	SVP, Chief Scientific Officer	Other	51,465	—	—	51,465
2025-12-04	Lo Steven	Director, President, Chief Exec Officer	Tax	54,153	$0.37	$20,037	1,787,559
2025-12-04	Lo Steven	Director, President, Chief Exec Officer	Award	151,351	—	—	1,841,712
2025-12-04	Lo Steven	Director, President, Chief Exec Officer	Other	100,000	—	—	100,000
2025-11-17	Watson W. Mark	Director	Buy	5,000	$0.41	$2,035	124,125
2025-11-17	Watson W. Mark	Director	Buy	15,000	$0.41	$6,150	119,125
2025-11-17	HERON ELAINE J	Director	Buy	23,217	$0.39	$9,124	79,783
2025-11-17	HERON ELAINE J	Director	Buy	16,783	$0.41	$6,797	96,566
2025-08-15	Finney Kevin	Director	Buy	50,000	$0.35	$17,500	154,771
2025-08-15	Finney Kevin	Director	Buy	50,000	$0.37	$18,500	204,771
2025-07-30	Finney Kevin	Director	Buy	25,874	$0.38	$9,832	104,771
2025-07-29	Watson W. Mark	Director	Buy	10,000	$0.41	$4,050	104,125
2025-07-28	Finney Kevin	Director	Buy	20,000	$0.40	$8,000	78,897
2025-07-25	Finney Kevin	Director	Buy	20,000	$0.39	$7,800	58,897
2025-07-17	Finney Kevin	Director	Buy	794	$0.38	$302	38,897
2025-06-13	Finney Kevin	Director	Award	36,392	—	—	36,392
2025-06-13	Finney Kevin	Director	Award	6,103	—	—	38,103
2025-06-13	Watson W. Mark	Director	Award	95,400	—	—	95,400
2025-06-13	Watson W. Mark	Director	Award	16,000	—	—	94,125
2025-06-13	HERON ELAINE J	Director	Award	95,400	—	—	95,400
2025-06-13	HERON ELAINE J	Director	Award	16,000	—	—	56,566
2025-06-13	Wheadon David E.	Director	Award	16,000	—	—	46,750
2025-06-13	Wheadon David E.	Director	Award	95,400	—	—	95,400
2025-06-13	Finney Michael J.	Director	Award	95,400	—	—	95,400
2025-06-13	Finney Michael J.	Director	Award	16,000	—	—	702,840
2025-05-19	Grasman Jeroen Nicolaas	Chief Financial Officer	Award	1,000,000	—	—	1,000,000
2025-05-19	Grasman Jeroen Nicolaas	Chief Financial Officer	Award	350,000	—	—	350,000
2025-05-19	Lo Steven	Director, President, Chief Exec Officer	Buy	100,000	$0.49	$49,000	100,000
2025-05-19	Grasman Jeroen Nicolaas	Chief Financial Officer	Other	0	—	—	0
2025-03-28	Cummings James F.	Chief Medical Officer	Tax	3,292	$0.42	$1,387	745,757
2025-03-28	Tucker Sean	SVP, Chief Scientific Officer	Tax	3,913	$0.42	$1,648	740,490
2025-03-28	Tucker Sean	SVP, Chief Scientific Officer	Other	51,465	—	—	51,465
2025-03-28	Tucker Sean	SVP, Chief Scientific Officer	Other	9,060	—	—	9,060
2025-03-24	Tucker Sean	SVP, Chief Scientific Officer	Other	51,465	—	—	51,465
2025-03-24	Tucker Sean	SVP, Chief Scientific Officer	Other	9,060	—	—	9,060
2025-03-24	Tucker Sean	SVP, Chief Scientific Officer	Award	610,000	—	—	610,000
2025-03-24	Tucker Sean	SVP, Chief Scientific Officer	Award	406,000	—	—	744,403
2025-03-24	Lo Steven	Director, President, Chief Exec Officer	Award	2,108,000	—	—	2,108,000
2025-03-24	Lo Steven	Director, President, Chief Exec Officer	Award	1,405,000	—	—	1,632,638
2025-03-24	Lee Phillip E	Chief Financial Officer	Award	406,000	—	—	631,619
2025-03-24	Lee Phillip E	Chief Financial Officer	Award	610,000	—	—	610,000
2025-03-24	Cummings James F.	Chief Medical Officer	Award	610,000	—	—	610,000
2025-03-24	Cummings James F.	Chief Medical Officer	Award	50,000	—	—	50,000
2025-03-24	Cummings James F.	Chief Medical Officer	Award	406,000	—	—	749,049
2025-03-24	Berg Edward B	SVP, General Counsel	Award	406,000	—	—	694,123
2025-03-24	Berg Edward B	SVP, General Counsel	Award	610,000	—	—	610,000
2025-03-24	Berg Edward B	SVP, General Counsel	Award	50,000	—	—	50,000
2025-03-18	Berg Edward B	SVP, General Counsel	Tax	8,050	$0.57	$4,590	288,123
2025-03-18	Lee Phillip E	Chief Financial Officer	Tax	8,050	$0.57	$4,590	225,619
2025-03-18	Cummings James F.	Chief Medical Officer	Tax	6,772	$0.57	$3,861	343,049
2025-03-18	Lo Steven	Director, President, Chief Exec Officer	Tax	22,362	$0.57	$12,751	227,638
2025-03-18	Tucker Sean	SVP, Chief Scientific Officer	Other	51,465	—	—	51,465
2025-03-18	Tucker Sean	SVP, Chief Scientific Officer	Other	9,060	—	—	9,060
2025-03-18	Tucker Sean	SVP, Chief Scientific Officer	Tax	8,050	$0.57	$4,590	338,403
2025-02-02	Tucker Sean	SVP, Chief Scientific Officer	Tax	9,242	$0.68	$6,283	346,453
2025-02-02	Tucker Sean	SVP, Chief Scientific Officer	Other	51,465	—	—	51,465
2025-02-02	Tucker Sean	SVP, Chief Scientific Officer	Other	9,060	—	—	9,060
2025-02-02	Cummings James F.	Chief Medical Officer	Tax	7,964	$0.68	$5,414	318,837
2025-02-02	Berg Edward B	SVP, General Counsel	Tax	9,242	$0.68	$6,283	261,464
2025-01-28	Finney Kevin	Director	Award	32,000	—	—	32,000