C4 Therapeutics, Inc. (CCCC) Insider Trading -- Recent Executive & Director Transactions
9 insiders reported 54 Form 4 transactions for C4 Therapeutics, Inc. (CCCC) over the past 18 months (most recent 2026-10-02). Recent activity: GROGAN DONNA ROY (Director) Buy 4,618 shares, Anderson Kenneth Carl (Director) Buy 3,662 shares, Adams Kendra (Chief Financial Officer) Buy 6,250 shares, Adams Kendra (Chief Financial Officer) Sell 2,775 shares, REYNO LEONARD (Chief Medical Officer) Buy 15,325 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-02 | GROGAN DONNA ROY | Director | Buy | 4,618 | $14,501 |
| 2026-10-02 | Anderson Kenneth Carl | Director | Buy | 3,662 | $11,499 |
| 2026-09-21 | Adams Kendra | Chief Financial Officer | Buy | 6,250 | $0 |
| 2026-09-21 | Adams Kendra | Chief Financial Officer | Sell | 2,775 | $9,407 |
| 2026-07-13 | REYNO LEONARD | Chief Medical Officer | Buy | 15,325 | $0 |
| 2026-07-13 | REYNO LEONARD | Chief Medical Officer | Sell | 7,397 | $30,032 |
| 2026-07-02 | GROGAN DONNA ROY | Director | Buy | 3,341 | $14,500 |
| 2026-07-02 | Anderson Kenneth Carl | Director | Buy | 2,650 | $11,501 |
| 2026-06-04 | Anderson Kenneth Carl | Director | Buy | 1,070 | $2,258 |
| 2026-04-03 | GROGAN DONNA ROY | Director | Buy | 5,370 | $14,499 |
| 2026-04-03 | Anderson Kenneth Carl | Director | Buy | 4,259 | $11,499 |
| 2026-02-18 | Boyle Scott N | Chief Business Officer | Buy | 200,000 | $0 |
| 2026-02-18 | REYNO LEONARD | Chief Medical Officer | Sell | 16,579 | $31,334 |
| 2026-02-18 | Boyle Scott N | Chief Business Officer | Sell | 1,735 | $3,279 |
| 2026-02-18 | Boyle Scott N | Chief Business Officer | Buy | 20,950 | $0 |
| 2026-02-18 | Boyle Scott N | Chief Business Officer | Sell | 7,269 | $13,738 |
| 2026-02-18 | Mahaney Paige | Chief Scientific Officer | Buy | 240,000 | $0 |
| 2026-02-18 | Mahaney Paige | Chief Scientific Officer | Buy | 7,050 | $0 |
| 2026-02-18 | Mahaney Paige | Chief Scientific Officer | Sell | 2,446 | $4,623 |
| 2026-02-18 | Mossler Mark | Chief Accounting Officer | Buy | 56,980 | $0 |
| 2026-02-18 | Mossler Mark | Chief Accounting Officer | Buy | 9,420 | $0 |
| 2026-02-18 | Mossler Mark | Chief Accounting Officer | Sell | 3,268 | $6,177 |
| 2026-02-18 | REYNO LEONARD | Chief Medical Officer | Buy | 240,000 | $0 |
| 2026-02-18 | REYNO LEONARD | Chief Medical Officer | Buy | 30,950 | $0 |
| 2026-02-18 | Boyle Scott N | Chief Business Officer | Buy | 5,000 | $0 |
Source: SEC Form 4 filings · as of 2026-10-02