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 | Hirsch Andrew President & CEO | 2026-02-18 17:04:58 | 1,074,934 0 | 1,074,934 | Form 4 |
| 3 | Dubin Glenn Director | 2024-04-02 16:34:29 | 22,075 790,607 | 812,682 | Form 4 |
| 4 | Prokupets Elena Director | 2021-09-29 18:33:43 | 0 503,126 | 503,126 | Form 4 |
| 5 | Adams Kendra Chief Financial Officer | 2026-09-21 16:24:49 | 382,323 0 | 382,323 | Form 4 |
| 6 | REYNO LEONARD Chief Medical Officer | 2026-07-13 16:33:49 | 372,406 0 | 372,406 | Form 4 |
| 7 | Anderson Kenneth Carl Director | 2026-10-02 16:43:49 | 75,612 286,285 | 361,897 | Form 4 |
| 8 | Mahaney Paige Chief Scientific Officer | 2026-02-18 17:05:11 | 336,910 0 | 336,910 | Form 4 |
| 9 | Schick Kelly Chief People Officer | 2026-02-18 17:05:05 | 299,881 0 | 299,881 | Form 4 |
| 10 | Boyle Scott N Chief Business Officer | 2026-02-18 17:05:18 | 298,801 0 | 298,801 | Form 4 |
| 11 | Siegel Jolie Chief Legal Officer | 2025-02-18 16:55:25 | 192,639 0 | 192,639 | Form 4 |
| 12 | Fisher Stewart Chief Scientific Officer | 2024-09-17 17:12:16 | 144,960 0 | 144,960 | Form 4 |
| 13 | GROGAN DONNA ROY Director | 2026-10-02 16:43:42 | 79,471 0 | 79,471 | Form 4 |
| 14 | Mossler Mark Chief Accounting Officer | 2026-02-18 17:04:38 | 71,916 0 | 71,916 | Form 4 |
| 15 | Fawell Stephen Director | 2026-06-26 16:27:23 | 62,000 0 | 62,000 | Form 4 |
| 16 | Bessen Laura Director | 2026-06-26 16:28:14 | 62,000 0 | 62,000 | Form 4 |
| 17 | Cooper Ronald Harold Wilfred Director | 2026-06-26 16:29:27 | 62,000 0 | 62,000 | Form 4 |
| 18 | Koppikar Utpal Director | 2026-06-26 16:31:14 | 62,000 0 | 62,000 | Form 4 |
| 19 | Hoerter Steven L. Director | 2026-06-26 20:26:57 | 62,000 0 | 62,000 | Form 4 |
| 20 | Hughes Owen Director | 2026-06-26 20:33:06 | 62,000 0 | 62,000 | Form 4 |
| 21 | White Lauren Chief Financial Officer | 2023-08-31 16:11:31 | 49,186 0 | 49,186 | Form 4 |
| 22 | Crystal Adam Chief Medical Officer | 2023-02-01 16:11:13 | 38,847 0 | 38,847 | Form 4 |
| 23 | Salter Malcolm Director | 2024-06-21 16:07:22 | 32,500 0 | 32,500 | Form 4 |
| 24 | DOWNEY BRUCE Director | 2024-06-21 16:07:52 | 32,500 0 | 32,500 | Form 4 |
| 25 | COHEN MARC A Director | 2022-06-23 16:15:36 | 23,500 0 | 23,500 | Form 4 |
| 26 | Wahlberg Laura Jean VP of Finance Corp Controller | 2021-02-16 16:16:06 | 23,100 0 | 23,100 | Form 4 |
| 27 | MCKEE WILLIAM Chief Financial Officer | 2020-10-06 21:30:01 | 5,263 0 | 5,263 | Form 4 |