KRSAKorsana Biosciences, Inc.
- Market cap
- $1.43B
- as of 2026-10-23
- Latest close
- $31.31
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Biotechnology
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2023-12-04
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Gottesdiener Andrew | Sep 9 | Sep 10 | A · derivative | 48,445 | $26.20 | $1,269,259 | 48,445 | No | Form 4 |
| Harwin Peter Evan | Sep 9 | Sep 10 | A · derivative | 48,445 | $26.20 | $1,269,259 | 48,445 | No | Form 4 |
| Shah Nimish P | Sep 9 | Sep 10 | A · derivative | 48,445 | $26.20 | $1,269,259 | 48,445 | No | Form 4 |
| Pernice Michelle Patricia | Sep 9 | Sep 10 | A · derivative | 48,445 | $26.20 | $1,269,259 | 48,445 | No | Form 4 |
| Graul Regina MargaretSee Remarks | Aug 14 | Aug 18 | M | 55,849 | $3.30 | $184,302 | 156,152 | No | Form 4 |
| Graul Regina MargaretSee Remarks | Aug 14 | Aug 18 | F | 48,629 | $3.79 | $184,304 | 107,523 | No | Form 4 |
| Graul Regina MargaretSee Remarks | Aug 14 | Aug 18 | M · derivative | 55,849 | $3.30 | $184,302 | not reported | No | Form 4 |
| Chicko Rhonda M.Chief Financial Officer | Aug 14 | Aug 18 | M | 25,000 | $2.36 | $59,000 | 25,018 | No | Form 4 |
| Chicko Rhonda M.Chief Financial Officer | Aug 14 | Aug 18 | M · derivative | 25,000 | $2.36 | $59,000 | not reported | No | Form 4 |
| Hecht Peter M | Jul 16 | Jul 20 | C | 351,037 | not reported | not reported | 910,240 | No | Form 4 |
| Hecht Peter M | Jul 16 | Jul 20 | C · derivative | 351,037 | not reported | not reported | not reported | No | Form 4 |
| Chicko Rhonda M.Chief Financial Officer | Aug 7, 2025 | Aug 11, 2025 | A · derivative | 25,000 | $2.36 | $59,000 | 25,000 | No | Form 4 |
| Higgins Michael J | Mar 25, 2025 | Mar 27, 2025 | A | 9,090 | $2.75 | $24,998 | 30,740 | No | Form 4 |
| Hecht Peter M | Mar 25, 2025 | Mar 27, 2025 | A | 181,818 | $2.75 | $500,000 | 559,203 | No | Form 4 |
| Greenspan David Gerald | Nov 21, 2024 | Nov 25, 2024 | S | 357,880 | $1.55 | Sale −$554,714 | not reported | No | Form 4 |
| Graul Regina MargaretSee Remarks | Aug 5, 2024 | Aug 7, 2024 | A · derivative | 55,849 | $3.30 | $184,302 | 55,849 | No | Form 4 |
| Graul Regina MargaretPresident | Jan 1, 2024 | Jan 26, 2024 | A | 50,000 | $0.00 | $0 | 100,303 | No | Form 4 |
| Hecht Peter M | Jan 1, 2024 | Jan 26, 2024 | A | 15,000 | $0.00 | $0 | 377,385 | No | Form 4 |
| Hecht Peter M | Dec 1, 2023 | Dec 4, 2023 | A | 15,000 | $0.00 | $0 | 362,385 | No | Form 4 |
| Hyman Steven | Nov 30, 2023 | Dec 4, 2023 | A | 20,000 | $0.00 | $0 | 20,000 | No | Form 4 |
| Desouza Errol B | Nov 30, 2023 | Dec 4, 2023 | A | 20,000 | $0.00 | $0 | 50,000 | No | Form 4 |
| Desouza Errol B | Nov 30, 2023 | Dec 4, 2023 | A | 30,000 | $0.00 | $0 | 30,000 | No | Form 4 |
| Hecht Peter M | Nov 30, 2023 | Dec 4, 2023 | A | 20,000 | $0.00 | $0 | 347,385 | No | Form 4 |
| Mcguire Terrance | Nov 30, 2023 | Dec 4, 2023 | A | 5,000 | $0.00 | $0 | 5,552 | No | Form 4 |