Thompson Peter A. — SEC Form 4 filings
SEC reporting owner CIK 1357522. 32 Form 4 filings on record with FilingPulse; latest filed 2026-07-09.
Transaction summary — filings shown
Covers all 32 filings on record, filed 2024-01-04 to 2026-07-09. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 4 legs across 3 filings — 1,501,316 shares, $24,899,995 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 26 legs across 13 filings — 3,363,709 shares, $73,152,528 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 56.
- Largest priced transaction: sale of 235,863 shares @ $44.64 ($10,528,924) in Sionna Therapeutics, Inc., filed 2026-04-16.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Sionna Therapeutics, Inc. (SION) | Director | 13 | 1 leg · 550,000 sh · $9,900,000 | 20 legs · 1,235,000 sh · $55,674,636 | 5 |
| Edgewise Therapeutics, Inc. (EWTX) | Director, 10% owner | 5 | 3 legs · 951,316 sh · $14,999,995 | — | 3 |
| ARS Pharmaceuticals, Inc. (SPRY) | Director | 5 | — | 5 legs · 952,377 sh · $12,585,998 | 3 |
| Corvus Pharmaceuticals, Inc. (CRVS) | Director, 10% owner | 6 | — | 1 leg · 1,176,332 sh · $4,891,894 | 33 |
| ALPINE IMMUNE SCIENCES, INC. (ALPN) | Director | 3 | — | — | 12 |
Form 4 filings — Thompson Peter A.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-09 | 4 | Sionna Therapeutics, Inc. (SION) | Sale (S): 85,918 @ $44.86 | EDGAR |
| 2026-07-02 | 4 | Sionna Therapeutics, Inc. (SION) | Sale (S): 115,844 @ $45.50 | EDGAR |
| 2026-06-26 | 4 | ARS Pharmaceuticals, Inc. (SPRY) | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Sionna Therapeutics, Inc. (SION) | Grant/award (A): 17,340 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | Edgewise Therapeutics, Inc. (EWTX) | Grant/award (A): 16,377 (derivative) @ $0 | EDGAR |
| 2026-06-15 | 4 | Corvus Pharmaceuticals, Inc. (CRVS) | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2026-05-29 | 4 | Sionna Therapeutics, Inc. (SION) | Sale (S): 101 @ $44.49 | EDGAR |
| 2026-05-11 | 4 | Sionna Therapeutics, Inc. (SION) | Sale (S): 48,546 @ $44.61 · Sale (S): 59,767 @ $44.58 · Sale (S): 184,639 @ $46.22 | EDGAR |
| 2026-04-21 | 4 | Sionna Therapeutics, Inc. (SION) | Sale (S): 52,397 @ $44.68 · Sale (S): 2,948 @ $44.52 | EDGAR |
| 2026-04-16 | 4 | Sionna Therapeutics, Inc. (SION) | Sale (S): 47,814 @ $44.51 · Sale (S): 235,863 @ $44.64 · Sale (S): 226,906 @ $45.34 | EDGAR |
| 2026-02-04 | 4 | Sionna Therapeutics, Inc. (SION) | Sale (S): 1,890 @ $44.57 · Sale (S): 29,063 @ $44.58 | EDGAR |
| 2026-01-30 | 4 | Corvus Pharmaceuticals, Inc. (CRVS) | Option exercise (M): 30,000 @ $15 · Option exercise (M): 15,000 @ $9.70 · Option exercise (M): 15,000 @ $12.50 · Option exercise (M): 15,000 @ $3.61 · Option exercise (M): 15,000 @ $2 · Option exercise (M): 15,000 @ $3.27 · +20 more | EDGAR |
| 2025-12-29 | 4 | Sionna Therapeutics, Inc. (SION) | Sale (S): 33,356 @ $44.55 | EDGAR |
| 2025-12-19 | 4 | Sionna Therapeutics, Inc. (SION) | Sale (S): 900 @ $44.50 · Sale (S): 100 @ $44.49 · Sale (S): 875 @ $44.49 | EDGAR |
| 2025-11-26 | 4 | Sionna Therapeutics, Inc. (SION) | Sale (S): 94,583 @ $44.54 · Sale (S): 11,890 @ $44.60 · Sale (S): 1,600 @ $44.49 | EDGAR |
| 2025-07-01 | 4 | Corvus Pharmaceuticals, Inc. (CRVS) | Option exercise/expiry (X): 1,397,684 @ $3.50 · Sale (S): 1,176,332 @ $4.16 · Option exercise/expiry (X): 1,397,684 (derivative) @ $0 | EDGAR |
| 2025-06-27 | 4 | ARS Pharmaceuticals, Inc. (SPRY) | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2025-06-18 | 4 | Edgewise Therapeutics, Inc. (EWTX) | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2025-06-16 | 4 | Corvus Pharmaceuticals, Inc. (CRVS) | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2025-06-16 | 4 | Sionna Therapeutics, Inc. (SION) | Grant/award (A): 19,959 (derivative) @ $0 | EDGAR |
| 2025-04-04 | 4 | Edgewise Therapeutics, Inc. (EWTX) | Purchase (P): 372,578 @ $20.13 · Purchase (P): 124,193 @ $20.13 | EDGAR |
| 2025-02-10 | 4 | Sionna Therapeutics, Inc. (SION) | Conversion (C): 3,154,959 · Purchase (P): 550,000 @ $18 · Conversion (C): 2,560,951 (derivative) @ $0 · Conversion (C): 2,048,760 (derivative) @ $0 | EDGAR |
| 2024-08-28 | 4 | ARS Pharmaceuticals, Inc. (SPRY) | Sale (S): 83,695 @ $13 | EDGAR |
| 2024-08-23 | 4 | ARS Pharmaceuticals, Inc. (SPRY) | Sale (S): 394,400 @ $13.52 · Sale (S): 13,300 @ $14.61 · Sale (S): 391,482 @ $12.94 · Sale (S): 69,500 @ $13.03 | EDGAR |
| 2024-06-24 | 4 | ARS Pharmaceuticals, Inc. (SPRY) | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-06-17 | 4 | Corvus Pharmaceuticals, Inc. (CRVS) | Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2024-06-12 | 4 | Edgewise Therapeutics, Inc. (EWTX) | Grant/award (A): 20,594 (derivative) @ $0 | EDGAR |
| 2024-05-20 | 4 | ALPINE IMMUNE SCIENCES, INC. (ALPN) | Code (U): 2,416,181 · Code (U): 264,315 · Disposition to issuer (D): 7,650 (derivative) · Disposition to issuer (D): 7,650 (derivative) · Disposition to issuer (D): 7,650 (derivative) · Disposition to issuer (D): 7,650 (derivative) · +3 more | EDGAR |
| 2024-05-08 | 4 | Corvus Pharmaceuticals, Inc. (CRVS) | Purchase (P): 1,444,085 (derivative) @ $1.73 · Purchase (P): 1,397,684 (derivative) | EDGAR |
| 2024-01-25 | 4 | Edgewise Therapeutics, Inc. (EWTX) | Purchase (P): 454,545 @ $11 | EDGAR |
| 2024-01-16 | 4 | ALPINE IMMUNE SCIENCES, INC. (ALPN) | Option exercise/expiry (X): 145,251 @ $12.74 · Option exercise/expiry (X): 145,251 (derivative) @ $0 | EDGAR |
| 2024-01-04 | 4 | ALPINE IMMUNE SCIENCES, INC. (ALPN) | Grant/award (A): 17,500 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-04 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1357522 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →