| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GROGAN DONNA ROY | Director | C/O C4 THERAPEUTICS, INC., 490 ARSENAL WAY #120, WATERTOWN | /s/ Jolie M. Siegel, Attorney-in-Fact | 2025-07-02 | 0001788455 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CCCC | Common Stock | Award | $14.5K | +9.61K | +22.73% | $1.51 | 51.9K | Jul 1, 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | These shares were issued in accordance with the Issuer's Non-Employee Director Compensation Policy, pursuant to which the Reporting Person elected to receive shares of the Issuer's common stock in lieu of cash compensation for services as a non-employee director of the Issuer. |
| F2 | The price reported in Column 4 is based upon the closing market price of the Issuer's common stock on July 1, 2025. |