Vaxart, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Vaxart, Inc. (VXRT), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are VXRT insiders buying or selling?
In the last 12 months, Vaxart, Inc. insiders reported 3 open-market purchases ($30.6K) and 0 sales ($0) — net buying of $30.6K. Since June 2018, Trabud has recorded 40 Form 4 filings for VXRT: 18 buys ($3.1M) and 22 sells ($325.5M).
Source: SEC EDGAR Form 4
Key Statistics (June 2018 – May 26, 2026)
Total Form 4 filings
40
SEC EDGAR
Insider filers
13
Insider buys (18)
$3.1M
Insider sells (22)
$325.5M
Insider sentiment
Net sellingNet insider flow of $322.5M in net selling since June 2018, and $30.6K in net buying over the last 12 months.
Recent VXRT insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| May 26, 2026 | Mark W. Watson | Director | Purchase | 10.0K | $0.65 | $6.5K | SEC ↗ |
| Dec 5, 2025 | Mark W. Watson | Director | Purchase | 20.0K | $0.41 | $8.2K | SEC ↗ |
| Nov 21, 2025 | Elaine J Heron | Director | Purchase | 40.0K | $0.40 | $15.9K | SEC ↗ |
| Aug 19, 2025 | Kevin Finney | Director | Purchase | 166.7K | $0.37 | $61.9K | SEC ↗ |
| Aug 1, 2025 | Mark W. Watson | Director | Purchase | 10.0K | $0.41 | $4.0K | SEC ↗ |
| May 19, 2025 | Steven Lo | President, Chief Exec Officer | Purchase | 100.0K | $0.49 | $49.0K | SEC ↗ |
| Jun 20, 2024 | Mark W. Watson | Director | Purchase | 20.0K | $0.68 | $13.6K | SEC ↗ |
| Dec 28, 2022 | Mark W. Watson | Director | Purchase | 20.0K | $0.76 | $15.1K | SEC ↗ |
| Oct 7, 2022 | Robert A. Yedid | Director | Sale | 1.5K | $6.01 | $9.0K | SEC ↗ |
| Jun 23, 2022 | Fuad Ahmad | Interim CFO | Purchase | 5.0K | $3.22 | $16.1K | SEC ↗ |
| Dec 1, 2021 | Margaret Echerd | SVP, Principal Accntng Officer | Sale | 3.6K | $8.00 | $28.8K | SEC ↗ |
| Sep 13, 2021 | Margaret Echerd | SVP, Principal Accntng Officer | Sale | 1.8K | $9.10 | $16.4K | SEC ↗ |
| Aug 11, 2021 | Sean Tucker | SVP, Chief Scientific Officer | Sale | 10.0K | $10.20 | $102.0K | SEC ↗ |
| Aug 11, 2021 | Margaret Echerd | SVP, Principal Accntng Officer | Sale | 1.8K | $10.00 | $18.0K | SEC ↗ |
| Jul 21, 2021 | Margaret Echerd | SVP, Principal Accntng Officer | Sale | 1.8K | $8.00 | $14.4K | SEC ↗ |
| Jun 14, 2021 | Robert A. Yedid | Director | Sale | 10.0K | $8.61 | $86.1K | SEC ↗ |
| Jun 14, 2021 | Margaret Echerd | SVP, Principal Accntng Officer | Sale | 1.8K | $8.00 | $14.4K | SEC ↗ |
| Jun 11, 2021 | Margaret Echerd | SVP, Principal Accntng Officer | Sale | 47.6K | $8.00 | $380.4K | SEC ↗ |
| May 10, 2021 | Wouter Latour | Director | Sale | 200.0K | $6.83 | $1.4M | SEC ↗ |
| Mar 5, 2021 | Wouter Latour | Director | Sale | 150.0K | $6.04 | $906.5K | SEC ↗ |
| Nov 24, 2020 | Wouter Latour | Director | Sale | 333.3K | $6.32 | $2.1M | SEC ↗ |
| Jun 30, 2020 | Steven Boyd | Director | Sale | 27.6M | $9.67 | $267.0M | SEC ↗ |
| Jun 3, 2020 | Steven Boyd | Director | Sale | 1.4M | $2.75 | $3.9M | SEC ↗ |
| May 29, 2020 | Steven Boyd | Director, 10% Owner | Sale | 200.0K | $2.61 | $522.0K | SEC ↗ |
| May 22, 2020 | Steven Boyd | Director, 10% Owner | Sale | 1.8M | $3.10 | $5.4M | SEC ↗ |
Showing the 25 most recent of 40 Form 4 filings for Vaxart, Inc..
Most active VXRT insiders
- Steven Boyd13 filings
- Margaret Echerd6 filings
- Mark W. Watson5 filings
- Wouter Latour4 filings
- Michael J. Finney2 filings
Ask anything about VXRT insider activity
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Open the AI agentVXRT insider trading FAQ
Are Vaxart, Inc. insiders buying or selling?
In the last 12 months, Vaxart, Inc. insiders reported 3 open-market purchases ($30.6K) and 0 sales ($0) — net buying of $30.6K. Since June 2018, Trabud has recorded 40 Form 4 filings for VXRT: 18 buys ($3.1M) and 22 sells ($325.5M). Over the full record that is net selling of $322.5M.
How many insiders trade VXRT stock?
13 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Vaxart, Inc.. The most recent filing was accepted on May 26, 2026.
Where does Trabud get VXRT insider trading data?
All VXRT insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.