List of insiders holdings for Korsana Biosciences, Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | IRONWOOD PHARMACEUTICALS INC 10% Owner | 2019-04-02 21:39:20 | 15,562,555 0 | 15,562,555 | Form 4 |
| 2 | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest VI L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 2026-09-11 17:25:32 | 9,106,420 0 | 9,106,420 | Form 13D |
| 3 | Violin Jonathan See Remarks | 2026-09-10 17:36:41 | 3,239,801 0 | 3,239,801 | Form 3 |
| 4 | Hecht Peter M Director 10% Owner | 2026-07-20 19:50:55 | 910,240 0 | 910,240 | Form 13D |
| 5 | Leoni Matthew James Chief Medical Officer | 2026-09-10 17:36:21 | 647,729 0 | 647,729 | Form 3 |
| 6 | Vignola Mark J. Chief Financial Officer | 2026-09-10 17:26:51 | 647,729 0 | 647,729 | Form 3 |
| 7 | Currie Mark G President and CSO | 2020-12-30 13:14:58 | 251,648 0 | 251,648 | Form 4 |
| 8 | Gault Cheryl Chief Operating Officer | 2022-01-24 11:33:27 | 135,000 0 | 135,000 | Form 4 |
| 9 | Gjino Anjeza Chief Financial Officer | 2022-01-24 11:43:01 | 135,000 0 | 135,000 | Form 4 |
| 10 | Busch Andreas Chief Scientific Officer | 2022-01-24 11:48:43 | 135,000 0 | 135,000 | Form 4 |
| 11 | Graul Regina Margaret See Remarks | 2026-08-18 17:21:27 | 107,523 0 | 107,523 | Form 4 |
| 12 | HENSON HEIDI Director | 2026-09-10 17:34:23 | 100,994 0 | 100,994 | Form 3 |
| 13 | Huyett William Chief Financial Officer | 2020-11-10 19:07:11 | 67,590 0 | 67,590 | Form 4 |
| 14 | Pernice Michelle Patricia Director | 2026-09-10 17:45:19 | 48,445 0 | 48,445 | Form 4 |
| 15 | Shah Nimish P Director | 2026-09-10 17:45:02 | 48,445 0 | 48,445 | Form 4 |
| 16 | Gottesdiener Andrew Director | 2026-09-10 17:43:02 | 48,445 0 | 48,445 | Form 4 |
| 17 | Wright Christopher I Chief Medical Officer | 2021-03-01 16:17:31 | 42,728 0 | 42,728 | Form 4 |
| 18 | MCGUIRE TERRANCE Director | 2023-12-04 16:05:21 | 5,552 36,458 | 42,010 | Form 4 |
| 19 | Higgins Michael J Director | 2025-03-27 16:20:44 | 30,740 0 | 30,740 | Form 4 |
| 20 | DESOUZA ERROL B Director | 2023-12-04 16:05:07 | 30,000 0 | 30,000 | Form 4 |
| 21 | CHICKO RHONDA M. Chief Financial Officer | 2026-08-18 17:27:18 | 25,018 0 | 25,018 | Form 4 |
| 22 | Katabi Dina Director | 2023-12-11 17:09:13 | 20,000 0 | 20,000 | Form 3 |
| 23 | Hyman Steven Director | 2023-12-04 16:04:21 | 20,000 0 | 20,000 | Form 4 |
| 24 | Lovell Stephanie Director | 2022-06-16 20:56:08 | 20,000 0 | 20,000 | Form 4 |
| 25 | CONRADES GEORGE H Director | 2022-06-16 20:56:04 | 20,000 0 | 20,000 | Form 4 |
| 26 | Mendelsohn Michael Director | 2022-06-16 20:56:25 | 20,000 0 | 20,000 | Form 4 |
| 27 | Fanucci Marsha Director | 2022-06-16 20:56:10 | 20,000 0 | 20,000 | Form 4 |
| 28 | Isacson Ole Director | 2022-06-16 20:55:57 | 20,000 0 | 20,000 | Form 4 |
| 29 | Churchwell Kevin Director | 2021-06-28 17:17:35 | 10,000 0 | 10,000 | Form 4 |
| 30 | SCHULMAN AMY W Director | 2020-06-18 16:15:40 | 10,000 0 | 10,000 | Form 4 |
| 31 | Slate Path Capital LP Greenspan David Gerald 10% Owner | 2024-12-06 16:05:15 | 0 0 | 0 | Form 13G |
| 32 | Consylman Gina SECRETARY AND TREASURER | 2019-03-14 18:18:40 | 0 0 | 0 | Form 3 |