Wheadon David E.
SEC insider (Form 3/4/5 filer). CIK 0001789507. Director at Vaxart, Inc. (VXRT) and 3 other issuers. 8 reported Form 4/5 transactions since Sep 2024; latest on Jul 16, 2026. Located in SOUTH SAN FRANCISCO, CA.
Companies Wheadon David E. has filed insider reports for
- Vaxart, Inc. (VXRT): Director
- Sotera Health Co (SHC): Director
- INDIVIOR PLC (INDV): Director
- Seaport Therapeutics, Inc. (SPTX): Director
Wheadon David E.
CIK: 0001789507
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Jul 16, 2026VXRT
Vaxart, Inc.
AwardDirect39.4K shares- - May 22, 2026SHC
Sotera Health Co
AwardDirect15K shares- - May 13, 2026INDV
Indivior Pharmaceuticals, Inc.
AwardDirect10.4K shares- - Apr 30, 2026SPTX
Seaport Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
12.3K shares- - Jan 26, 2026INDV
Indivior Pharmaceuticals, Inc.
AwardDirect6K shares- - Jan 5, 2026INDV
INDIVIOR PLC
PurchaseDirect1.8K shares at avg. $35.39$63K - Jun 13, 2025VXRT
Vaxart, Inc.
AwardDirect16K shares- - May 22, 2025SHC
Sotera Health Co
AwardDirect19.1K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 16, 2026 |  VXRT Vaxart, Inc. | Award | 39,400 | - | $0 | Direct |
| May 22, 2026 |  SHC Sotera Health Co | Award | 14,970 | - | $0 | Direct |
| May 13, 2026 |  INDV Indivior Pharmaceuticals, Inc. | Award | 10,430 | - | $0 | Direct |
| Apr 30, 2026 |  SPTX Seaport Therapeutics, Inc. | Award Stock Option (Right to Buy) | 12,258 | - | - | Direct |
| Jan 26, 2026 | INDV Indivior Pharmaceuticals, Inc. | Award | 5,955 | - | $0 | Direct |
| Jan 5, 2026 | INDV INDIVIOR PLC | Purchase | 1,771 | $35.39 | $62,680 | Direct |
| Jun 13, 2025 | VXRT Vaxart, Inc. | Award | 16,000 | - | - | Direct |
| May 22, 2025 | SHC Sotera Health Co | Award | 19,132 | - | - | Direct |
1-8 of 8 transactions