Company · CIK 0001622229 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
Cogent Biosciences, Inc. · COGT
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 27, 2026 SForm 4 → | Aug 31, 5:01 pm EDT | Arlene MorrisDirector | 45,510 | $37.12 | $1,689,493 | 0 | −100% | 10b5-1 |
| Aug 27, 2026 MForm 4 → | Aug 31, 5:01 pm EDT | Arlene MorrisDirector | 45,510 | $5.39 | $245,497 | 45,510 | — | 10b5-1 |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 27, 2026 MForm 4 → | Aug 31, 5:01 pm EDT | Arlene MorrisDirector | 45,510 | — | — | 0 | — | 10b5-1 |
| Jul 1, 2026 AForm 4 → | Jul 6, 4:30 pm EDT | Karen Jean FerranteDirector | 627 | — | — | 627 | — | |
| Jun 9, 2026 AForm 4 → | Jun 11, 4:30 pm EDT | Peter Evan HarwinDirector | 17,901 | — | — | 17,901 | — | |
| Jun 9, 2026 AForm 4 → | Jun 11, 4:30 pm EDT | Karen Jean FerranteDirector | 17,901 | — | — | 17,901 | — | |
| Jun 9, 2026 AForm 4 → | Jun 11, 4:30 pm EDT | Christopher W. CainDirector | 17,901 | — | — | 17,901 | — | |
| Jun 9, 2026 AForm 4 → | Jun 11, 4:30 pm EDT | Todd ShegogDirector | 17,901 | — | — | 17,901 | — | |
| Jun 9, 2026 AForm 4 → | Jun 11, 4:30 pm EDT | Arlene MorrisDirector | 17,901 | — | — | 17,901 | — | |
| Jun 9, 2026 AForm 4 → | Jun 11, 4:30 pm EDT | Matthew RosDirector | 17,901 | — | — | 17,901 | — |