Steven Lo
President, Vaxart.
Companies
- VaxartBoard member Mar 20, 2024 to now1
- VaxartPresident Mar 20, 2024 to now1
- Zosano Pharma CorpBoard member Oct 23, 2019 to Jun 7, 20222
- Zosano Pharma CorpChief executive officer Oct 23, 2019 to Jun 7, 20222
- Puma BiotechnologyChief Commercial Officer Sep 10, 2015 to Jul 24, 20193
- Corcept TherapeuticsVP Commercial Operations Sep 28, 2010 to Nov 16, 20154
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
As of each latest filing. The line shows shares held over time.
Recent filings
- Mar 24, 2026Shares withheld for tax 126,028 shares at $0.69 of Vaxart5
- Mar 18, 2026Shares withheld for tax 22,425 shares at $0.63 of Vaxart6
- Mar 16, 2026Granted 846,500 shares of Vaxart7
- Dec 4, 2025Shares withheld for tax 54,153 shares at $0.37 of Vaxart8
- Dec 4, 2025Granted 151,351 shares of Vaxart8
- May 19, 2025Bought 100,000 shares at $0.49 of Vaxart9
- Mar 24, 2025Granted 1,405,000 shares of Vaxart10
- Mar 18, 2025Shares withheld for tax 22,362 shares at $0.57 of Vaxart11
- Mar 18, 2024Granted 250,000 shares of Vaxart12
Trade performance
| Date | Stock | Trade | Value | Return since | Vs S&P since | Vs S&P, 1 year |
|---|---|---|---|---|---|---|
| May 19, 2025 | VXRT | Buy | $49.0K | −8.0% | −37.7% | −1.3% |
Returns are price-only (no dividends), measured from the trade date.
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1SEC EDGARVaxart, Board member
- 2SEC EDGARZosano Pharma Corp, Board member
- 3
- 4
- 5
- 6SEC EDGARForm 4 filed Mar 20, 2026
- 7SEC EDGARForm 4 filed Mar 18, 2026
- 8SEC EDGARForm 4 filed Dec 8, 2025
- 9SEC EDGARForm 4 filed May 19, 2025
- 10SEC EDGARForm 4 filed Mar 26, 2025
- 11SEC EDGARForm 4 filed Mar 20, 2025
- 12SEC EDGARForm 4 filed Mar 20, 2024