In the last 12 months, insiders at Vaxart, Inc. ($VXRT) filed 108 transactions with the SEC: 13 open-market purchases totaling $152,668 and 0 sales totaling $0. Net insider sentiment: net buying.
Vaxart, Inc. operates in the Biological products, (no disgnostic substances) industry (Life sciences sector).
Most Active Insiders
- Lo Steven (President, Chief Exec Officer) — 12 transactions totaling $183,482
- Tucker Sean (SVP, Chief Scientific Officer) — 17 transactions totaling $94,349
- Berg Edward B (SVP, General Counsel) — 14 transactions totaling $81,935
- Cummings James F. (Chief Medical Officer) — 18 transactions totaling $81,737
- Finney Kevin (Director) — 10 transactions totaling $61,934
View all SEC Filings for Vaxart, Inc. (VXRT).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 28, 2026 | Cummings James F. | Chief Medical Officer | F | Common Stock | 3292 | $0.65 | 924,177.0000 | 240,069,844 | 0.35% | 0.00% |
| March 28, 2026 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 3924 | $0.65 | 943,336.0000 | 240,069,844 | 0.41% | 0.00% |
| March 24, 2026 | Lo Steven | President, Chief Exec Officer | F | Common Stock | 126028 | $0.69 | 2,585,606.0000 | 240,069,844 | 4.65% | 0.05% |
| March 24, 2026 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 36418 | $0.69 | 947,260.0000 | 240,069,844 | 3.70% | 0.02% |
| March 24, 2026 | Cummings James F. | Chief Medical Officer | F | Common Stock | 30551 | $0.69 | 927,469.0000 | 240,069,844 | 3.19% | 0.01% |
| March 24, 2026 | Berg Edward B | SVP, General Counsel | F | Common Stock | 36418 | $0.69 | 755,368.0000 | 240,069,844 | 4.60% | 0.02% |
| March 18, 2026 | Cummings James F. | Chief Medical Officer | F | Common Stock | 6772 | $0.63 | 958,020.0000 | 240,069,844 | 0.70% | 0.00% |
| March 18, 2026 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 8072 | $0.63 | 983,678.0000 | 240,069,844 | 0.81% | 0.00% |
| March 18, 2026 | Lo Steven | President, Chief Exec Officer | F | Common Stock | 22425 | $0.63 | 2,711,634.0000 | 240,069,844 | 0.82% | 0.01% |
| March 18, 2026 | Berg Edward B | SVP, General Counsel | F | Common Stock | 8072 | $0.63 | 791,786.0000 | 240,069,844 | 1.01% | 0.00% |
| March 16, 2026 | Cummings James F. | Chief Medical Officer | A | Common Stock | 227000 | $0.00 | 964,792.0000 | 240,069,844 | 30.77% | 0.09% |
| March 16, 2026 | Lo Steven | President, Chief Exec Officer | A | Common Stock | 846500 | $0.00 | 2,734,059.0000 | 240,069,844 | 44.85% | 0.35% |
| March 16, 2026 | Lo Steven | President, Chief Exec Officer | A | Stock Option (right to buy) | 1543000 | $0.00 | 1,543,000.0000 | 240,069,844 | 9999.99% | 0.64% |
| March 16, 2026 | Tucker Sean | SVP, Chief Scientific Officer | A | Common Stock | 200000 | $0.00 | 991,750.0000 | 240,069,844 | 25.26% | 0.08% |
| March 16, 2026 | Tucker Sean | SVP, Chief Scientific Officer | A | Stock Option (right to buy) | 410000 | $0.00 | 410,000.0000 | 240,069,844 | 9999.99% | 0.17% |
| March 16, 2026 | Grasman Jeroen Nicolaas | Chief Financial Officer | A | Common Stock | 227000 | $0.00 | 577,000.0000 | 240,069,844 | 64.86% | 0.09% |
| March 16, 2026 | Grasman Jeroen Nicolaas | Chief Financial Officer | A | Stock Option (right to buy) | 455000 | $0.00 | 455,000.0000 | 240,069,844 | 9999.99% | 0.19% |
| March 16, 2026 | Cummings James F. | Chief Medical Officer | A | Stock Option (right to buy) | 455000 | $0.00 | 455,000.0000 | 240,069,844 | 9999.99% | 0.19% |
| March 16, 2026 | Berg Edward B | SVP, General Counsel | A | Common Stock | 115000 | $0.00 | 799,858.0000 | 240,069,844 | 16.79% | 0.05% |
| March 16, 2026 | Berg Edward B | SVP, General Counsel | A | Stock Option (right to buy) | 225000 | $0.00 | 225,000.0000 | 240,069,844 | 9999.99% | 0.09% |
| Feb. 2, 2026 | Cummings James F. | Chief Medical Officer | F | Common Stock | 7965 | $0.61 | 737,792.0000 | 240,069,844 | 1.07% | 0.00% |
| Feb. 2, 2026 | Berg Edward B | SVP, General Counsel | F | Common Stock | 9265 | $0.61 | 684,858.0000 | 240,069,844 | 1.33% | 0.00% |
| Feb. 2, 2026 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 9265 | $0.61 | 791,750.0000 | 240,069,844 | 1.16% | 0.00% |
| Dec. 4, 2025 | Lo Steven | President, Chief Exec Officer | F | Common Stock | 54153 | $0.37 | 1,887,559.0000 | 240,069,844 | 2.79% | 0.02% |
| Dec. 4, 2025 | Lo Steven | President, Chief Exec Officer | A | Common Stock | 151351 | $0.00 | 1,941,712.0000 | 240,069,844 | 8.45% | 0.06% |
| Nov. 17, 2025 | Watson W. Mark | Director | P | Common Stock | 15000 | $0.41 | 119,125.0000 | 240,069,844 | 14.41% | 0.01% |
| Nov. 17, 2025 | Watson W. Mark | Director | P | Common Stock | 5000 | $0.41 | 124,125.0000 | 240,069,844 | 4.20% | 0.00% |
| Nov. 17, 2025 | HERON ELAINE J | Director | P | Common Stock | 23217 | $0.39 | 79,783.0000 | 240,069,844 | 41.04% | 0.01% |
| Nov. 17, 2025 | HERON ELAINE J | Director | P | Common Stock | 16783 | $0.41 | 96,566.0000 | 240,069,844 | 21.04% | 0.01% |
| July 17, 2025 | Finney Kevin | Director | P | Common Stock | 794 | $0.38 | 38,897.0000 | 227,949,245 | 2.08% | 0.00% |
| July 25, 2025 | Finney Kevin | Director | P | Common Stock | 20000 | $0.39 | 58,897.0000 | 227,949,245 | 51.42% | 0.01% |
| July 28, 2025 | Finney Kevin | Director | P | Common Stock | 20000 | $0.40 | 78,897.0000 | 227,949,245 | 33.96% | 0.01% |
| July 30, 2025 | Finney Kevin | Director | P | Common Stock | 25874 | $0.38 | 104,771.0000 | 227,949,245 | 32.79% | 0.01% |
| Aug. 15, 2025 | Finney Kevin | Director | P | Common Stock | 50000 | $0.35 | 154,771.0000 | 227,949,245 | 47.72% | 0.02% |
| Aug. 15, 2025 | Finney Kevin | Director | P | Common Stock | 50000 | $0.37 | 204,771.0000 | 227,949,245 | 32.31% | 0.02% |
| July 29, 2025 | Watson W. Mark | Director | P | Common Stock | 10000 | $0.41 | 104,125.0000 | 227,949,245 | 10.62% | 0.00% |
| June 13, 2025 | Finney Kevin | Director | A | Common Stock | 6103 | $0.00 | 38,103.0000 | 227,949,245 | 19.07% | 0.00% |
| June 13, 2025 | Watson W. Mark | Director | A | Common Stock | 16000 | $0.00 | 94,125.0000 | 227,949,245 | 20.48% | 0.01% |
| June 13, 2025 | Finney Kevin | Director | A | Stock Option (right to buy) | 36392 | $0.00 | 36,392.0000 | 227,949,245 | 9999.99% | 0.02% |
| June 13, 2025 | Finney Michael J. | Director | A | Stock Option (right to buy) | 95400 | $0.00 | 95,400.0000 | 227,949,245 | 9999.99% | 0.04% |
| June 13, 2025 | Finney Michael J. | Director | A | Common Stock | 16000 | $0.00 | 702,840.0000 | 227,949,245 | 2.33% | 0.01% |
| June 13, 2025 | Wheadon David E. | Director | A | Stock Option (right to buy) | 95400 | $0.00 | 95,400.0000 | 227,949,245 | 9999.99% | 0.04% |
| June 13, 2025 | Wheadon David E. | Director | A | Common Stock | 16000 | $0.00 | 46,750.0000 | 227,949,245 | 52.03% | 0.01% |
| June 13, 2025 | HERON ELAINE J | Director | A | Stock Option (right to buy) | 95400 | $0.00 | 95,400.0000 | 227,949,245 | 9999.99% | 0.04% |
| June 13, 2025 | HERON ELAINE J | Director | A | Common Stock | 16000 | $0.00 | 56,566.0000 | 227,949,245 | 39.44% | 0.01% |
| June 13, 2025 | Watson W. Mark | Director | A | Stock Option (right to buy) | 95400 | $0.00 | 95,400.0000 | 227,949,245 | 9999.99% | 0.04% |
| May 19, 2025 | Grasman Jeroen Nicolaas | Chief Financial Officer | A | Common Stock | 350000 | $0.00 | 350,000.0000 | 227,949,245 | 9999.99% | 0.15% |
| May 19, 2025 | Grasman Jeroen Nicolaas | Chief Financial Officer | A | Stock Option (right to buy) | 1000000 | $0.00 | 1,000,000.0000 | 227,949,245 | 9999.99% | 0.44% |
| May 19, 2025 | Lo Steven | President, Chief Exec Officer | P | Common Stock | 100000 | $0.49 | 100,000.0000 | 227,949,245 | 9999.99% | 0.04% |
| March 28, 2025 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 3913 | $0.42 | 801,015.0000 | 227,949,245 | 0.49% | 0.00% |
| March 28, 2025 | Cummings James F. | Chief Medical Officer | F | Common Stock | 3292 | $0.42 | 745,757.0000 | 227,949,245 | 0.44% | 0.00% |
| March 24, 2025 | Cummings James F. | Chief Medical Officer | A | Common Stock | 406000 | $0.00 | 749,049.0000 | 227,949,245 | 118.35% | 0.18% |
| March 24, 2025 | Lee Phillip E | Chief Financial Officer | A | Stock Option (right to buy) | 610000 | $0.00 | 610,000.0000 | 227,949,245 | 9999.99% | 0.27% |
| March 24, 2025 | Lee Phillip E | Chief Financial Officer | A | Common Stock | 406000 | $0.00 | 631,619.0000 | 227,949,245 | 179.95% | 0.18% |
| March 24, 2025 | Tucker Sean | SVP, Chief Scientific Officer | A | Stock Option (right to buy) | 610000 | $0.00 | 610,000.0000 | 227,949,245 | 9999.99% | 0.27% |
| March 24, 2025 | Berg Edward B | SVP, General Counsel | A | Stock Option (right to buy) | 50000 | $0.00 | 50,000.0000 | 227,949,245 | 9999.99% | 0.02% |
| March 24, 2025 | Cummings James F. | Chief Medical Officer | A | Stock Option (right to buy) | 50000 | $0.00 | 50,000.0000 | 227,949,245 | 9999.99% | 0.02% |
| March 24, 2025 | Berg Edward B | SVP, General Counsel | A | Common Stock | 406000 | $0.00 | 694,123.0000 | 227,949,245 | 140.91% | 0.18% |
| March 24, 2025 | Tucker Sean | SVP, Chief Scientific Officer | A | Common Stock | 406000 | $0.00 | 804,928.0000 | 227,949,245 | 101.77% | 0.18% |
| March 24, 2025 | Lo Steven | President, Chief Exec Officer | A | Stock Option (right to buy) | 2108000 | $0.00 | 2,108,000.0000 | 227,949,245 | 9999.99% | 0.92% |
| March 24, 2025 | Lo Steven | President, Chief Exec Officer | A | Common Stock | 1405000 | $0.00 | 1,632,638.0000 | 227,949,245 | 617.21% | 0.62% |
| March 24, 2025 | Berg Edward B | SVP, General Counsel | A | Stock Option (right to buy) | 610000 | $0.00 | 610,000.0000 | 227,949,245 | 9999.99% | 0.27% |
| March 24, 2025 | Cummings James F. | Chief Medical Officer | A | Stock Option (right to buy) | 610000 | $0.00 | 610,000.0000 | 227,949,245 | 9999.99% | 0.27% |
| March 18, 2025 | Berg Edward B | SVP, General Counsel | F | Common Stock | 8050 | $0.57 | 288,123.0000 | 227,949,245 | 2.72% | 0.00% |
| March 28, 2023 | Cummings James F. | Chief Medical Officer | F | Common Stock | 3267 | $0.75 | 349,821.0000 | 0 | 0.93% | 0.00% |
| March 18, 2025 | Cummings James F. | Chief Medical Officer | F | Common Stock | 6772 | $0.57 | 343,049.0000 | 227,949,245 | 1.94% | 0.00% |
| March 18, 2025 | Lo Steven | President, Chief Exec Officer | F | Common Stock | 22362 | $0.57 | 227,638.0000 | 227,949,245 | 8.94% | 0.01% |
| March 18, 2025 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 8050 | $0.57 | 398,928.0000 | 227,949,245 | 1.98% | 0.00% |
| March 18, 2025 | Lee Phillip E | Chief Financial Officer | F | Common Stock | 8050 | $0.57 | 225,619.0000 | 227,949,245 | 3.45% | 0.00% |
| Feb. 2, 2025 | Cummings James F. | Chief Medical Officer | F | Common Stock | 7964 | $0.68 | 318,837.0000 | 0 | 2.44% | 0.00% |
| Feb. 2, 2025 | Berg Edward B | SVP, General Counsel | F | Common Stock | 9242 | $0.68 | 261,464.0000 | 0 | 3.41% | 0.00% |
| Feb. 2, 2025 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 9242 | $0.68 | 406,978.0000 | 0 | 2.22% | 0.00% |
| Jan. 28, 2025 | Finney Kevin | Director | A | Stock Option (right to buy) | 190800 | $0.00 | 190,800.0000 | 0 | 9999.99% | 0.00% |
| Jan. 28, 2025 | Finney Kevin | Director | A | Common Stock | 32000 | $0.00 | 32,000.0000 | 0 | 9999.99% | 0.00% |
| Dec. 15, 2024 | Lee Phillip E | Chief Financial Officer | F | Common Stock | 6132 | $0.59 | 233,669.0000 | 0 | 2.56% | 0.00% |
| June 18, 2024 | Watson W. Mark | Director | P | Common Stock | 20000 | $0.68 | 78,125.0000 | 0 | 34.41% | 0.00% |
| June 12, 2024 | Lee Phillip E | Chief Financial Officer | F | Common Stock | 2007 | $0.76 | 239,801.0000 | 0 | 0.83% | 0.00% |
| June 11, 2024 | Watson W. Mark | Director | A | Stock Option (right to buy) | 95400 | $0.00 | 95,400.0000 | 0 | 9999.99% | 0.00% |
| June 11, 2024 | Yedid Robert A. | Director | A | Stock Option (right to buy) | 95400 | $0.00 | 95,400.0000 | 0 | 9999.99% | 0.00% |
| June 11, 2024 | Yedid Robert A. | Director | A | Common Stock | 16000 | $0.00 | 34,490.0000 | 0 | 86.53% | 0.00% |
| June 11, 2024 | Wheadon David E. | Director | A | Common Stock | 16000 | $0.00 | 30,750.0000 | 0 | 108.47% | 0.00% |
| June 11, 2024 | Wheadon David E. | Director | A | Stock Option (right to buy) | 95400 | $0.00 | 95,400.0000 | 0 | 9999.99% | 0.00% |
| June 11, 2024 | Finney Michael J. | Director | A | Common Stock | 16000 | $0.00 | 686,840.0000 | 0 | 2.39% | 0.00% |
| June 11, 2024 | Finney Michael J. | Director | A | Stock Option (right to buy) | 95400 | $0.00 | 95,400.0000 | 0 | 9999.99% | 0.00% |
| June 11, 2024 | HERON ELAINE J | Director | A | Common Stock | 16000 | $0.00 | 40,566.0000 | 0 | 65.13% | 0.00% |
| June 11, 2024 | HERON ELAINE J | Director | A | Stock Option (right to buy) | 95400 | $0.00 | 95,400.0000 | 0 | 9999.99% | 0.00% |
| June 11, 2024 | Watson W. Mark | Director | A | Common Stock | 16000 | $0.00 | 58,125.0000 | 0 | 37.98% | 0.00% |
| March 28, 2024 | Cummings James F. | Chief Medical Officer | F | Common Stock | 3292 | $1.30 | 326,801.0000 | 0 | 1.00% | 0.00% |
| March 28, 2024 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 3902 | $1.30 | 416,220.0000 | 0 | 0.93% | 0.00% |
| March 28, 2023 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 3683 | $0.75 | 373,630.0000 | 0 | 0.98% | 0.00% |
| March 18, 2024 | Lo Steven | President, Chief Exec Officer | A | Common Stock | 250000 | $0.00 | 250,000.0000 | 0 | 9999.99% | 0.00% |
| March 18, 2024 | Berg Edward B | SVP, General Counsel | A | Stock Option (right to buy) | 410000 | $0.00 | 410,000.0000 | 0 | 9999.99% | 0.00% |
| March 18, 2024 | Berg Edward B | SVP, General Counsel | A | Common Stock | 90000 | $0.00 | 270,706.0000 | 0 | 49.80% | 0.00% |
| Feb. 2, 2024 | Berg Edward B | SVP, General Counsel | F | Common Stock | 9220 | $1.20 | 180,706.0000 | 0 | 4.85% | 0.00% |
| Dec. 8, 2023 | Berg Edward B | SVP, General Counsel | F | Common Stock | 33752 | $0.71 | 189,926.0000 | 0 | 15.09% | 0.00% |
| March 18, 2024 | Cummings James F. | Chief Medical Officer | A | Stock Option (right to buy) | 410000 | $0.00 | 410,000.0000 | 0 | 9999.99% | 0.00% |
| March 18, 2024 | Cummings James F. | Chief Medical Officer | A | Common Stock | 90000 | $0.00 | 330,093.0000 | 0 | 37.49% | 0.00% |
| Feb. 2, 2024 | Cummings James F. | Chief Medical Officer | F | Common Stock | 7965 | $1.20 | 240,093.0000 | 0 | 3.21% | 0.00% |
| Dec. 8, 2023 | Cummings James F. | Chief Medical Officer | F | Common Stock | 31409 | $0.71 | 248,058.0000 | 0 | 11.24% | 0.00% |
| March 18, 2024 | Lee Phillip E | Chief Financial Officer | A | Stock Option (right to buy) | 410000 | $0.00 | 410,000.0000 | 0 | 9999.99% | 0.00% |
| March 18, 2024 | Lee Phillip E | Chief Financial Officer | A | Common Stock | 90000 | $0.00 | 241,808.0000 | 0 | 59.29% | 0.00% |
| Dec. 15, 2023 | Lee Phillip E | Chief Financial Officer | F | Common Stock | 5943 | $0.63 | 151,808.0000 | 0 | 3.77% | 0.00% |
| Dec. 8, 2023 | Lee Phillip E | Chief Financial Officer | F | Common Stock | 35151 | $0.71 | 157,751.0000 | 0 | 18.22% | 0.00% |
| March 18, 2024 | Tucker Sean | SVP, Chief Scientific Officer | A | Stock Option (right to buy) | 410000 | $0.00 | 410,000.0000 | 0 | 9999.99% | 0.00% |
| March 18, 2024 | Tucker Sean | SVP, Chief Scientific Officer | A | Common Stock | 90000 | $0.00 | 420,122.0000 | 0 | 27.26% | 0.00% |
| Feb. 2, 2024 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 9220 | $1.20 | 330,122.0000 | 0 | 2.72% | 0.00% |
| Dec. 8, 2023 | Tucker Sean | SVP, Chief Scientific Officer | F | Common Stock | 34288 | $0.71 | 339,342.0000 | 0 | 9.18% | 0.00% |
| March 18, 2024 | Lo Steven | President, Chief Exec Officer | A | Stock Option (right to buy) | 1000000 | $0.00 | 1,000,000.0000 | 0 | 9999.99% | 0.00% |