VXRTVaxart, Inc.
- Market cap
- $99.92M
- as of 2026-10-23
- Latest close
- $0.41
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Biotechnology
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2024-03-20
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Bono Raquel C. | Oct 16 | Oct 20 | A | 78,800 | $0.00 | $0 | 78,800 | No | Form 4 |
| Bono Raquel C. | Oct 16 | Oct 20 | A · derivative | 157,400 | $0.45 | $71,255 | 157,400 | No | Form 4 |
| Finney Kevin | Jul 16 | Jul 20 | A | 39,400 | $0.00 | $0 | 244,171 | No | Form 4 |
| Finney Kevin | Jul 16 | Jul 20 | A · derivative | 78,700 | $0.51 | $40,137 | 78,700 | No | Form 4 |
| Wheadon David E. | Jul 16 | Jul 17 | A | 39,400 | $0.00 | $0 | 86,150 | No | Form 4 |
| Wheadon David E. | Jul 16 | Jul 17 | A · derivative | 78,700 | $0.51 | $40,137 | 78,700 | No | Form 4 |
| Watson W. Mark | Jul 16 | Jul 17 | A | 39,400 | $0.00 | $0 | 173,525 | No | Form 4 |
| Watson W. Mark | Jul 16 | Jul 17 | A · derivative | 78,700 | $0.51 | $40,137 | 78,700 | No | Form 4 |
| Heron Elaine J | Jul 16 | Jul 17 | A | 39,400 | $0.00 | $0 | 135,966 | No | Form 4 |
| Heron Elaine J | Jul 16 | Jul 17 | A · derivative | 78,700 | $0.51 | $40,137 | 78,700 | No | Form 4 |
| Breitmeyer James B | Jul 16 | Jul 17 | A | 8,315 | $0.00 | $0 | 87,115 | No | Form 4 |
| Breitmeyer James B | Jul 16 | Jul 17 | A · derivative | 16,610 | $0.51 | $8,471 | 16,610 | No | Form 4 |
| Watson W. Mark | May 22 | May 26 | P | 10,000 | $0.65 | Purchase +$6,500 | 134,125 | No | Form 4 |
| Grasman Jeroen NicolaasChief Financial Officer | May 19 | May 21 | F | 31,395 | $0.61 | $19,151 | 545,605 | No | Form 4 |
| Breitmeyer James B | Apr 23 | May 1 | A | 78,800 | $0.00 | $0 | 78,800 | No | Form 4 |
| Breitmeyer James B | Apr 23 | May 1 | A · derivative | 157,400 | $0.74 | $116,476 | 157,400 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 28 | Mar 31 | F | 3,292 | $0.65 | $2,140 | 924,177 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Mar 28 | Mar 31 | F | 3,924 | $0.65 | $2,551 | 882,811 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Mar 24 | Mar 26 | F | 36,418 | $0.69 | $25,128 | 886,735 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Mar 24 | Mar 26 | F | 126,028 | $0.69 | $86,959 | 2,485,606 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 24 | Mar 26 | F | 30,551 | $0.69 | $21,080 | 927,469 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Mar 24 | Mar 26 | F | 36,418 | $0.69 | $25,128 | 755,368 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Mar 18 | Mar 20 | F | 8,072 | $0.63 | $5,085 | 923,153 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Mar 18 | Mar 20 | F | 22,425 | $0.63 | $14,128 | 2,611,634 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 18 | Mar 20 | F | 6,772 | $0.63 | $4,266 | 958,020 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Mar 18 | Mar 20 | F | 8,072 | $0.63 | $5,085 | 791,786 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Mar 16 | Mar 18 | A | 115,000 | $0.00 | $0 | 799,858 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Mar 16 | Mar 18 | A · derivative | 225,000 | $0.68 | $153,000 | 225,000 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 16 | Mar 18 | A | 227,000 | $0.00 | $0 | 964,792 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 16 | Mar 18 | A · derivative | 455,000 | $0.68 | $309,400 | 455,000 | No | Form 4 |
| Grasman Jeroen NicolaasChief Financial Officer | Mar 16 | Mar 18 | A | 227,000 | $0.00 | $0 | 577,000 | No | Form 4 |
| Grasman Jeroen NicolaasChief Financial Officer | Mar 16 | Mar 18 | A · derivative | 455,000 | $0.68 | $309,400 | 455,000 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Mar 16 | Mar 18 | A | 200,000 | $0.00 | $0 | 931,225 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Mar 16 | Mar 18 | A · derivative | 410,000 | $0.68 | $278,800 | 410,000 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Mar 16 | Mar 18 | A | 846,500 | $0.00 | $0 | 2,634,059 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Mar 16 | Mar 18 | A · derivative | 1,543,000 | $0.68 | $1,049,240 | 1,543,000 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Feb 2 | Feb 5 | F | 9,265 | $0.61 | $5,652 | 731,225 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Feb 2 | Feb 5 | F | 9,265 | $0.61 | $5,652 | 684,858 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Feb 2 | Feb 5 | F | 7,965 | $0.61 | $4,859 | 737,792 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Dec 4, 2025 | Dec 8, 2025 | A | 151,351 | $0.00 | $0 | 1,841,712 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Dec 4, 2025 | Dec 8, 2025 | F | 54,153 | $0.37 | $20,037 | 1,787,559 | No | Form 4 |
| Watson W. Mark | Nov 17, 2025 | Dec 5, 2025 | P | 15,000 | $0.41 | Purchase +$6,150 | 119,125 | No | Form 4 |
| Watson W. Mark | Nov 17, 2025 | Dec 5, 2025 | P | 5,000 | $0.41 | Purchase +$2,050 | 124,125 | No | Form 4 |
| Heron Elaine J | Nov 17, 2025 | Nov 21, 2025 | P | 23,217 | $0.39 | Purchase +$9,055 | 79,783 | No | Form 4 |
| Heron Elaine J | Nov 17, 2025 | Nov 21, 2025 | P | 16,783 | $0.41 | Purchase +$6,881 | 96,566 | No | Form 4 |
| Finney Kevin | Aug 15, 2025 | Aug 19, 2025 | P | 50,000 | $0.35 | Purchase +$17,500 | 154,771 | No | Form 4 |
| Finney Kevin | Aug 15, 2025 | Aug 19, 2025 | P | 50,000 | $0.37 | Purchase +$18,500 | 204,771 | No | Form 4 |
| Finney Kevin | Jul 30, 2025 | Aug 19, 2025 | P | 25,874 | $0.38 | Purchase +$9,832 | 104,771 | No | Form 4 |
| Finney Kevin | Jul 28, 2025 | Aug 19, 2025 | P | 20,000 | $0.40 | Purchase +$8,000 | 78,897 | No | Form 4 |
| Finney Kevin | Jul 25, 2025 | Aug 19, 2025 | P | 20,000 | $0.39 | Purchase +$7,800 | 58,897 | No | Form 4 |
| Finney Kevin | Jul 17, 2025 | Aug 19, 2025 | P | 794 | $0.38 | Purchase +$302 | 38,897 | No | Form 4 |
| Watson W. Mark | Jul 29, 2025 | Jul 31, 2025 | P | 10,000 | $0.41 | Purchase +$4,100 | 104,125 | No | Form 4 |
| Finney Michael J. | Jun 13, 2025 | Jun 16, 2025 | A | 16,000 | $0.00 | $0 | 702,840 | No | Form 4 |
| Finney Michael J. | Jun 13, 2025 | Jun 16, 2025 | A · derivative | 95,400 | $0.70 | $66,780 | 95,400 | No | Form 4 |
| Wheadon David E. | Jun 13, 2025 | Jun 16, 2025 | A | 16,000 | $0.00 | $0 | 46,750 | No | Form 4 |
| Wheadon David E. | Jun 13, 2025 | Jun 16, 2025 | A · derivative | 95,400 | $0.70 | $66,780 | 95,400 | No | Form 4 |
| Heron Elaine J | Jun 13, 2025 | Jun 16, 2025 | A | 16,000 | $0.00 | $0 | 56,566 | No | Form 4 |
| Heron Elaine J | Jun 13, 2025 | Jun 16, 2025 | A · derivative | 95,400 | $0.70 | $66,780 | 95,400 | No | Form 4 |
| Watson W. Mark | Jun 13, 2025 | Jun 16, 2025 | A | 16,000 | $0.00 | $0 | 94,125 | No | Form 4 |
| Watson W. Mark | Jun 13, 2025 | Jun 16, 2025 | A · derivative | 95,400 | $0.70 | $66,780 | 95,400 | No | Form 4 |
| Finney Kevin | Jun 13, 2025 | Jun 16, 2025 | A | 6,103 | $0.00 | $0 | 38,103 | No | Form 4 |
| Finney Kevin | Jun 13, 2025 | Jun 16, 2025 | A · derivative | 36,392 | $0.70 | $25,474 | 36,392 | No | Form 4 |
| Grasman Jeroen NicolaasChief Financial Officer | May 19, 2025 | May 20, 2025 | A | 350,000 | $0.00 | $0 | 350,000 | No | Form 4 |
| Grasman Jeroen NicolaasChief Financial Officer | May 19, 2025 | May 20, 2025 | A · derivative | 1,000,000 | $0.50 | $500,000 | 1,000,000 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | May 19, 2025 | May 19, 2025 | P | 100,000 | $0.49 | Purchase +$49,000 | 100,000 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Mar 28, 2025 | Apr 1, 2025 | F | 3,913 | $0.42 | $1,643 | 740,490 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 28, 2025 | Apr 1, 2025 | F | 3,292 | $0.42 | $1,383 | 745,757 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Mar 24, 2025 | Mar 26, 2025 | A | 406,000 | $0.00 | $0 | 694,123 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Mar 24, 2025 | Mar 26, 2025 | A · derivative | 610,000 | $0.51 | $311,100 | 610,000 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Mar 24, 2025 | Mar 26, 2025 | A · derivative | 50,000 | $0.51 | $25,500 | 50,000 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 24, 2025 | Mar 26, 2025 | A | 406,000 | $0.00 | $0 | 749,049 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 24, 2025 | Mar 26, 2025 | A · derivative | 610,000 | $0.51 | $311,100 | 610,000 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 24, 2025 | Mar 26, 2025 | A · derivative | 50,000 | $0.51 | $25,500 | 50,000 | No | Form 4 |
| Lee Phillip EChief Financial Officer | Mar 24, 2025 | Mar 26, 2025 | A | 406,000 | $0.00 | $0 | 631,619 | No | Form 4 |
| Lee Phillip EChief Financial Officer | Mar 24, 2025 | Mar 26, 2025 | A · derivative | 610,000 | $0.51 | $311,100 | 610,000 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Mar 24, 2025 | Mar 26, 2025 | A | 406,000 | $0.00 | $0 | 744,403 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Mar 24, 2025 | Mar 26, 2025 | A · derivative | 610,000 | $0.51 | $311,100 | 610,000 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Mar 24, 2025 | Mar 26, 2025 | A | 1,405,000 | $0.00 | $0 | 1,632,638 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Mar 24, 2025 | Mar 26, 2025 | A · derivative | 2,108,000 | $0.51 | $1,075,080 | 2,108,000 | No | Form 4 |
| Lee Phillip EChief Financial Officer | Mar 18, 2025 | Mar 20, 2025 | F | 8,050 | $0.57 | $4,589 | 225,619 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Mar 18, 2025 | Mar 20, 2025 | F | 8,050 | $0.57 | $4,589 | 338,403 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Mar 18, 2025 | Mar 20, 2025 | F | 22,362 | $0.57 | $12,746 | 227,638 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 18, 2025 | Mar 20, 2025 | F | 6,772 | $0.57 | $3,860 | 343,049 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Mar 18, 2025 | Mar 20, 2025 | F | 8,050 | $0.57 | $4,589 | 288,123 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 28, 2023 | Mar 20, 2025 | F | 3,267 | $0.75 | $2,450 | 349,821 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Feb 2, 2025 | Feb 4, 2025 | F | 9,242 | $0.68 | $6,285 | 261,464 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Feb 2, 2025 | Feb 4, 2025 | F | 7,964 | $0.68 | $5,416 | 318,837 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Feb 2, 2025 | Feb 4, 2025 | F | 9,242 | $0.68 | $6,285 | 346,453 | No | Form 4 |
| Finney Kevin | Jan 28, 2025 | Jan 29, 2025 | A | 32,000 | $0.00 | $0 | 32,000 | No | Form 4 |
| Finney Kevin | Jan 28, 2025 | Jan 29, 2025 | A · derivative | 190,800 | $0.75 | $143,100 | 190,800 | No | Form 4 |
| Lee Phillip EChief Financial Officer | Dec 15, 2024 | Dec 17, 2024 | F | 6,132 | $0.59 | $3,618 | 233,669 | No | Form 4 |
| Watson W. Mark | Jun 18, 2024 | Jun 20, 2024 | P | 20,000 | $0.68 | Purchase +$13,600 | 78,125 | No | Form 4 |
| Lee Phillip EChief Financial Officer | Jun 12, 2024 | Jun 13, 2024 | F | 2,007 | $0.76 | $1,525 | 239,801 | No | Form 4 |
| Yedid Robert A. | Jun 11, 2024 | Jun 12, 2024 | A | 16,000 | $0.00 | $0 | 34,490 | No | Form 4 |
| Yedid Robert A. | Jun 11, 2024 | Jun 12, 2024 | A · derivative | 95,400 | $0.77 | $73,458 | 95,400 | No | Form 4 |
| Watson W. Mark | Jun 11, 2024 | Jun 12, 2024 | A | 16,000 | $0.00 | $0 | 58,125 | No | Form 4 |
| Watson W. Mark | Jun 11, 2024 | Jun 12, 2024 | A · derivative | 95,400 | $0.77 | $73,458 | 95,400 | No | Form 4 |
| Heron Elaine J | Jun 11, 2024 | Jun 12, 2024 | A | 16,000 | $0.00 | $0 | 40,566 | No | Form 4 |
| Heron Elaine J | Jun 11, 2024 | Jun 12, 2024 | A · derivative | 95,400 | $0.77 | $73,458 | 95,400 | No | Form 4 |
| Finney Michael J. | Jun 11, 2024 | Jun 12, 2024 | A | 16,000 | $0.00 | $0 | 686,840 | No | Form 4 |
| Finney Michael J. | Jun 11, 2024 | Jun 12, 2024 | A · derivative | 95,400 | $0.77 | $73,458 | 95,400 | No | Form 4 |
| Wheadon David E. | Jun 11, 2024 | Jun 12, 2024 | A | 16,000 | $0.00 | $0 | 30,750 | No | Form 4 |
| Wheadon David E. | Jun 11, 2024 | Jun 12, 2024 | A · derivative | 95,400 | $0.77 | $73,458 | 95,400 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 28, 2024 | Apr 1, 2024 | F | 3,292 | $1.30 | $4,280 | 326,801 | No | Form 4 |
| Tucker SeanSVP, Chief Scientific Officer | Mar 28, 2024 | Apr 1, 2024 | F | 3,902 | $1.30 | $5,073 | 355,695 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Mar 18, 2024 | Mar 20, 2024 | A | 250,000 | $0.00 | $0 | 250,000 | No | Form 4 |
| Lo StevenPresident, Chief Exec Officer | Mar 18, 2024 | Mar 20, 2024 | A · derivative | 1,000,000 | $1.16 | $1,160,000 | 1,000,000 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Mar 18, 2024 | Mar 20, 2024 | A | 90,000 | $0.00 | $0 | 270,706 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Mar 18, 2024 | Mar 20, 2024 | A · derivative | 410,000 | $1.16 | $475,600 | 410,000 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 18, 2024 | Mar 20, 2024 | A | 90,000 | $0.00 | $0 | 330,093 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Mar 18, 2024 | Mar 20, 2024 | A · derivative | 410,000 | $1.16 | $475,600 | 410,000 | No | Form 4 |
| Lee Phillip EChief Financial Officer | Mar 18, 2024 | Mar 20, 2024 | A | 90,000 | $0.00 | $0 | 241,808 | No | Form 4 |
| Lee Phillip EChief Financial Officer | Mar 18, 2024 | Mar 20, 2024 | A · derivative | 410,000 | $1.16 | $475,600 | 410,000 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Feb 2, 2024 | Mar 20, 2024 | F | 9,220 | $1.20 | $11,064 | 180,706 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Feb 2, 2024 | Mar 20, 2024 | F | 7,965 | $1.20 | $9,558 | 240,093 | No | Form 4 |
| Lee Phillip EChief Financial Officer | Dec 15, 2023 | Mar 20, 2024 | F | 5,943 | $0.63 | $3,744 | 151,808 | No | Form 4 |
| Berg Edward BSVP, General Counsel | Dec 8, 2023 | Mar 20, 2024 | F | 33,752 | $0.71 | $23,964 | 189,926 | No | Form 4 |
| Cummings James F.Chief Medical Officer | Dec 8, 2023 | Mar 20, 2024 | F | 31,409 | $0.71 | $22,300 | 248,058 | No | Form 4 |
| Lee Phillip EChief Financial Officer | Dec 8, 2023 | Mar 20, 2024 | F | 35,151 | $0.71 | $24,957 | 157,751 | No | Form 4 |