C4 Therapeutics Inc (CCCC)
Insider transactions
A complete record of Form 4 filings tracking every share acquisition and disposal by executives, directors, and senior officers. Filterable by date range and transaction type, the table exposes the direct market actions of those with the deepest knowledge of a company's operations — providing a factual, data-driven signal of internal conviction that complements traditional fundamental and technical analysis.
Transaction date | Executive | Executive Title | Security Type | Acquisition / Disposal | Shares | Share price |
|---|---|---|---|---|---|---|
| Jul 10, 2026 | REYNO, LEONARD | Chief Medical Officer | Common Stock | Disposal | 7,397 | 4.06 |
| Jul 10, 2026 | REYNO, LEONARD | Chief Medical Officer | Common Stock | Acquisition | 15,325 | 0 |
| Jul 1, 2026 | GROGAN, DONNA ROY | Director | Common Stock | Acquisition | 3,341 | 4.34 |
| Jul 1, 2026 | ANDERSON, KENNETH CARL | Director | Common Stock | Acquisition | 2,650 | 4.34 |
| Jun 24, 2026 | HOERTER, STEVEN L. | Director | Stock Option (Right to Buy) | Acquisition | 62,000 | 0 |
| Jun 24, 2026 | BESSEN, LAURA | Director | Stock Option (Right to Buy) | Acquisition | 62,000 | 0 |
| Jun 24, 2026 | HUGHES, OWEN | Director | Stock Option (Right to Buy) | Acquisition | 62,000 | 0 |
| Jun 24, 2026 | COOPER, RONALD HAROLD WILFRED | Director | Stock Option (Right to Buy) | Acquisition | 62,000 | 0 |
| Jun 24, 2026 | GROGAN, DONNA ROY | Director | Stock Option (Right to Buy) | Acquisition | 62,000 | 0 |
| Jun 24, 2026 | KOPPIKAR, UTPAL | Director | Stock Option (Right to Buy) | Acquisition | 62,000 | 0 |
| Jun 24, 2026 | ANDERSON, KENNETH CARL | Director | Stock Option (Right to Buy) | Acquisition | 62,000 | 0 |
| Jun 24, 2026 | FAWELL, STEPHEN | Director | Stock Option (Right to Buy) | Acquisition | 62,000 | 0 |
| Jun 1, 2026 | ANDERSON, KENNETH CARL | Director | Common Stock | Acquisition | 1,070 | 2.11 |
| Jun 1, 2026 | ANDERSON, KENNETH CARL | Director | Stock Option (Right to Buy) | Disposal | 1,070 | 0 |
| Apr 1, 2026 | GROGAN, DONNA ROY | Director | Common Stock | Acquisition | 5,370 | 2.7 |
| Apr 1, 2026 | ANDERSON, KENNETH CARL | Director | Common Stock | Acquisition | 4,259 | 2.7 |
| Feb 15, 2026 | HIRSCH, ANDREW | Director, President & CEO | Common Stock | Disposal | 9,057 | 1.89 |
| Feb 15, 2026 | HIRSCH, ANDREW | Director, President & CEO | Common Stock | Acquisition | 20,400 | 0 |
| Feb 14, 2026 | REYNO, LEONARD | Chief Medical Officer | Common Stock | Acquisition | 30,950 | 0 |
| Feb 14, 2026 | ADAMS, KENDRA | Chief Financial Officer | Common Stock | Disposal | 15,381 | 1.89 |
| Feb 14, 2026 | REYNO, LEONARD | Chief Medical Officer | Common Stock | Disposal | 16,579 | 1.89 |
| Feb 14, 2026 | HIRSCH, ANDREW | Director, President & CEO | Common Stock | Disposal | 39,154 | 1.89 |
| Feb 14, 2026 | MAHANEY, PAIGE | Chief Scientific Officer | Common Stock | Acquisition | 7,050 | 0 |
| Feb 14, 2026 | ADAMS, KENDRA | Chief Financial Officer | Common Stock | Acquisition | 30,950 | 0 |
| Feb 14, 2026 | SCHICK, KELLY | Chief People Officer | Common Stock | Disposal | 7,269 | 1.89 |
| Feb 14, 2026 | HIRSCH, ANDREW | Director, President & CEO | Common Stock | Acquisition | 81,725 | 0 |
| Feb 14, 2026 | MOSSLER, MARK | Chief Accounting Officer | Common Stock | Acquisition | 9,420 | 0 |
| Feb 14, 2026 | SCHICK, KELLY | Chief People Officer | Common Stock | Acquisition | 20,950 | 0 |
| Feb 14, 2026 | MAHANEY, PAIGE | Chief Scientific Officer | Common Stock | Disposal | 2,446 | 1.89 |
| Feb 14, 2026 | MOSSLER, MARK | Chief Accounting Officer | Common Stock | Disposal | 3,268 | 1.89 |
| Feb 14, 2026 | BOYLE, SCOTT N | Chief Business Officer | Common Stock | Disposal | 7,269 | 1.89 |
| Feb 14, 2026 | BOYLE, SCOTT N | Chief Business Officer | Common Stock | Acquisition | 20,950 | 0 |
| Feb 13, 2026 | BOYLE, SCOTT N | Chief Business Officer | Common Stock | Acquisition | 200,000 | 0 |
| Feb 13, 2026 | REYNO, LEONARD | Chief Medical Officer | Common Stock | Acquisition | 240,000 | 0 |
| Feb 13, 2026 | HIRSCH, ANDREW | Director, President & CEO | Common Stock | Acquisition | 700,000 | 0 |
| Feb 13, 2026 | MOSSLER, MARK | Chief Accounting Officer | Common Stock | Acquisition | 56,980 | 0 |
| Feb 13, 2026 | SCHICK, KELLY | Chief People Officer | Common Stock | Acquisition | 200,000 | 0 |
| Feb 13, 2026 | ADAMS, KENDRA | Chief Financial Officer | Common Stock | Disposal | 1,863 | 1.89 |
| Feb 13, 2026 | MAHANEY, PAIGE | Chief Scientific Officer | Common Stock | Acquisition | 240,000 | 0 |
| Feb 13, 2026 | BOYLE, SCOTT N | Chief Business Officer | Common Stock | Acquisition | 5,000 | 0 |
| Feb 13, 2026 | SCHICK, KELLY | Chief People Officer | Common Stock | Acquisition | 5,000 | 0 |
| Feb 13, 2026 | ADAMS, KENDRA | Chief Financial Officer | Common Stock | Acquisition | 240,000 | 0 |
| Feb 13, 2026 | BOYLE, SCOTT N | Chief Business Officer | Common Stock | Disposal | 1,735 | 1.89 |
| Feb 13, 2026 | ADAMS, KENDRA | Chief Financial Officer | Common Stock | Acquisition | 3,750 | 0 |
| Feb 13, 2026 | SCHICK, KELLY | Chief People Officer | Common Stock | Disposal | 1,735 | 1.89 |
| Jan 16, 2026 | REYNO, LEONARD | Chief Medical Officer | Common Stock | Disposal | 10,000 | 2.22 |
| Jan 2, 2026 | GROGAN, DONNA ROY | Director | Common Stock | Acquisition | 7,513 | 1.93 |
| Jan 2, 2026 | ANDERSON, KENNETH CARL | Director | Common Stock | Acquisition | 5,958 | 1.93 |
| Oct 28, 2025 | MAHANEY, PAIGE | Chief Scientific Officer | Common Stock | Acquisition | 19,200 | 0 |
| Oct 28, 2025 | MAHANEY, PAIGE | Chief Scientific Officer | Common Stock | Disposal | 5,644 | 2.58 |
| Oct 1, 2025 | ANDERSON, KENNETH CARL | Director | Common Stock | Acquisition | 5,349 | 2.15 |
| Oct 1, 2025 | GROGAN, DONNA ROY | Director | Common Stock | Acquisition | 6,740 | 2.15 |