Company · CIK 0001755237 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
Korsana Biosciences, Inc. · KRSA
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 14, 2026 MForm 4 → | Aug 18, 5:27 pm EDT | Rhonda M. ChickoChief Financial Officer | 25,000 | $2.36 | $58,875 | 25,018 | — | |
| Aug 14, 2026 FMForm 4 → | Aug 18, 5:21 pm EDT | Regina Margaret GraulSee Remarks, Director | 104,478 | $3.53 | $368,606 | 107,523 | — | |
| Jul 16, 2026 CForm 4 → | Jul 20, 5:04 pm EDT | Peter M HechtDirector, 10% Owner | 351,037 | — | — | 910,240 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 AForm 4 → | Sep 10, 5:45 pm EDT | Michelle Patricia PerniceDirector | 48,445 | — | — | 48,445 | — | |
| Sep 9, 2026 AForm 4 → | Sep 10, 5:45 pm EDT | Nimish P ShahDirector | 48,445 | — | — | 48,445 | — | |
| Sep 9, 2026 AForm 4 → | Sep 10, 5:44 pm EDT | Fairmount Funds Management LLC +4Director, 10% Owner | 48,445 | — | — | 48,445 | — | |
| Sep 9, 2026 AForm 4 → | Sep 10, 5:43 pm EDT | Andrew GottesdienerDirector | 48,445 | — | — | 48,445 | — | |
| Aug 14, 2026 MForm 4 → | Aug 18, 5:27 pm EDT | Rhonda M. ChickoChief Financial Officer | 25,000 | — | — | 0 | — | |
| Aug 14, 2026 MForm 4 → | Aug 18, 5:21 pm EDT | Regina Margaret GraulSee Remarks, Director | 55,849 | — | — | 0 | — | |
| Jul 16, 2026 CForm 4 → | Jul 20, 5:04 pm EDT | Peter M HechtDirector, 10% Owner | 351,037 | — | — | 0 | — |