// company-profile
Vaxart, Inc.
VXRTExchangeOTCSectorBiological Products, (No Diagnostic Substances)Inc.DEFilings72Insiders13
// api This Vaxart, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Vaxart, Inc. insiders bought $7K (3 transactions) and sold $24K (3 transactions).
- Most active insider: BREITMEYER JAMES B with 2 transactions totaling $0.
- Largest single sale: $19K by Grasman Jeroen Nicolaas on May 19, 2026.
Activity is mixed — buys and sales are roughly balanced.
Institutional Ownership
Top 13F-HR holders of Vaxart, Inc. as of 2026-03-31
Total reported AUM
$19,199
QoQ change
—
Reporting period
2026-03-31
#1
Heritage Wealth Advisors
CIK 1591122
$17,941
30K shares
#2
Ascentis Independent Advisors
CIK 1845003
$1,210
2K shares
#3
First Command Advisory Services, Inc.
CIK 1727336
$24
40 shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 22, 2026 | Watson W. Mark | VXRT | Purchase | 10,000 | $0.65 | $7K |
| May 19, 2026 | Grasman Jeroen Nicolaas | VXRT | Tax Withholding | 31,395 | $0.61 | $19K |
| Apr 23, 2026 | BREITMEYER JAMES B | VXRT | Award | 78,800 | $0.00 | $0K |
| Apr 23, 2026 | BREITMEYER JAMES B | VXRT | Award | 157,400 | $0.00 | $0K |
| Mar 28, 2026 | Tucker Sean | VXRT | Tax Withholding | 3,924 | $0.65 | $3K |
45 more transactions hidden
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