Thompson Peter A.
SEC insider (Form 3/4/5 filer). CIK 0001357522. Director at Sionna Therapeutics, Inc. (SION) and 3 other issuers. 47 reported Form 4/5 transactions since Sep 2024; latest on Jul 7, 2026. Located in WALTHAM, MA.
Companies Thompson Peter A. has filed insider reports for
- Sionna Therapeutics, Inc. (SION): Director
- ARS Pharmaceuticals, Inc. (SPRY): Director
- Edgewise Therapeutics, Inc. (EWTX): Director, 10% Owner
- Corvus Pharmaceuticals, Inc. (CRVS): Director, 10% Owner
Thompson Peter A.
CIK: 0001357522
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 (47 total)
- Jul 7, 2026SION
Sionna Therapeutics, Inc.
SaleIndirect85.9K shares at avg. $44.86$3.9M - Jun 30, 2026SION
Sionna Therapeutics, Inc.
SaleIndirect115.8K shares at avg. $45.50$5.3M - Jun 24, 2026SPRY
ARS Pharmaceuticals, Inc.
AwardDirectStock Option (right to buy)
30K shares- - Jun 17, 2026SION
Sionna Therapeutics, Inc.
AwardDirectNon-Qualified Stock Option (right to buy)
17.3K shares- - Jun 11, 2026CRVS
Corvus Pharmaceuticals, Inc.
AwardDirectStock Option (Right to Buy)
15K shares- - Jun 5, 2026EWTX
Edgewise Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
16.4K shares- - May 27, 2026SION
Sionna Therapeutics, Inc.
SaleIndirect101 shares at avg. $44.49$4K - May 11, 2026SION
Sionna Therapeutics, Inc.
SaleIndirect184.6K shares at avg. $46.22$8.5M - May 8, 2026SION
Sionna Therapeutics, Inc.
SaleIndirect59.8K shares at avg. $44.58$2.7M - May 7, 2026SION
Sionna Therapeutics, Inc.
SaleIndirect48.5K shares at avg. $44.61$2.2M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 7, 2026 |  SION Sionna Therapeutics, Inc. | Sale | 85,918 | $44.86 | $3,854,281 | Indirect |
| Jun 30, 2026 | SION Sionna Therapeutics, Inc. | Sale | 115,844 | $45.50 | $5,270,902 | Indirect |
| Jun 24, 2026 |  SPRY ARS Pharmaceuticals, Inc. | Award Stock Option (right to buy) | 30,000 | - | - | Direct |
| Jun 17, 2026 | SION Sionna Therapeutics, Inc. | Award Non-Qualified Stock Option (right to buy) | 17,340 | - | - | Direct |
| Jun 11, 2026 |  CRVS Corvus Pharmaceuticals, Inc. | Award Stock Option (Right to Buy) | 15,000 | - | - | Direct |
| Jun 5, 2026 |  EWTX Edgewise Therapeutics, Inc. | Award Stock Option (Right to Buy) | 16,377 | - | - | Direct |
| May 27, 2026 | SION Sionna Therapeutics, Inc. | Sale | 101 | $44.49 | $4,493 | Indirect |
| May 11, 2026 | SION Sionna Therapeutics, Inc. | Sale | 184,639 | $46.22 | $8,534,015 | Indirect |
| May 8, 2026 | SION Sionna Therapeutics, Inc. | Sale | 59,767 | $44.58 | $2,664,413 | Indirect |
| May 7, 2026 | SION Sionna Therapeutics, Inc. | Sale | 48,546 | $44.61 | $2,165,637 | Indirect |
1-10 of 47 transactions