List of insiders holdings for C4 Therapeutics 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 | COHEN ALAIN J Director | 2022-04-05 16:26:20 | 928 1,804,324 | 1,805,252 | Form 4 |
| 2 | Dubin Glenn Director | 2024-04-02 16:34:29 | 22,075 790,607 | 812,682 | Form 4 |
| 3 | Hirsch Andrew President & CEO | 2025-02-18 16:55:35 | 758,445 0 | 758,445 | Form 4 |
| 4 | Prokupets Elena Director | 2021-09-29 18:33:43 | 0 503,126 | 503,126 | Form 4 |
| 5 | Anderson Kenneth Carl Director | 2025-10-03 16:14:17 | 140,574 203,724 | 344,298 | Form 4 |
| 6 | Schick Kelly Chief People Officer | 2025-02-18 16:54:57 | 193,585 0 | 193,585 | Form 4 |
| 7 | Siegel Jolie Chief Legal Officer | 2025-02-18 16:55:25 | 192,639 0 | 192,639 | Form 4 |
| 8 | Boyle Scott N Chief Business Officer | 2025-02-18 16:55:16 | 192,505 0 | 192,505 | Form 4 |
| 9 | REYNO LEONARD Chief Medical Officer | 2025-07-15 09:00:15 | 166,382 0 | 166,382 | Form 4/A |
| 10 | Adams Kendra Chief Financial Officer | 2025-09-19 16:13:49 | 162,342 0 | 162,342 | Form 4 |
| 11 | Fisher Stewart Chief Scientific Officer | 2024-09-17 17:12:16 | 144,960 0 | 144,960 | Form 4 |
| 12 | Mahaney Paige Chief Scientific Officer | 2025-10-30 16:30:04 | 99,356 0 | 99,356 | Form 4 |
| 13 | GROGAN DONNA ROY Director | 2025-10-03 16:13:58 | 58,629 0 | 58,629 | Form 4 |
| 14 | White Lauren Chief Financial Officer | 2023-08-31 16:11:31 | 49,186 0 | 49,186 | Form 4 |
| 15 | Crystal Adam Chief Medical Officer | 2023-02-01 16:11:13 | 38,847 0 | 38,847 | Form 4 |
| 16 | Hoerter Steven L. Director | 2025-06-20 16:10:47 | 35,500 0 | 35,500 | Form 4 |
| 17 | Cooper Ronald Harold Wilfred Director | 2025-06-20 16:10:56 | 35,500 0 | 35,500 | Form 4 |
| 18 | Bessen Laura Director | 2025-06-20 16:11:21 | 35,500 0 | 35,500 | Form 4 |
| 19 | Fawell Stephen Director | 2025-06-20 16:11:39 | 35,500 0 | 35,500 | Form 4 |
| 20 | Hughes Owen Director | 2025-06-20 16:11:50 | 35,500 0 | 35,500 | Form 4 |
| 21 | Koppikar Utpal Director | 2025-06-20 16:12:00 | 35,500 0 | 35,500 | Form 4 |
| 22 | DOWNEY BRUCE Director | 2024-06-21 16:07:52 | 32,500 0 | 32,500 | Form 4 |
| 23 | Salter Malcolm Director | 2024-06-21 16:07:22 | 32,500 0 | 32,500 | Form 4 |
| 24 | COHEN MARC A Director | 2022-06-23 16:15:36 | 23,500 0 | 23,500 | Form 4 |
| 25 | Wahlberg Laura Jean VP of Finance Corp Controller | 2021-02-16 16:16:06 | 23,100 0 | 23,100 | Form 4 |
| 26 | Mossler Mark Chief Accounting Officer | 2025-02-18 16:55:06 | 18,204 0 | 18,204 | Form 4 |
| 27 | MCKEE WILLIAM Chief Financial Officer | 2020-10-06 21:30:01 | 5,263 0 | 5,263 | Form 4 |