C4 Therapeutics Inc.
Last updated September 27, 2026
Organization details
- Legal name
- C4 Therapeutics Inc.
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- CCCC
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001662579
Board of directors
-
Andrew Hirsch · Director · President & CEOSince 2023
-
Bruce Downey · DirectorSince 2023
-
Donna Roy Grogan · DirectorSince 2023
-
Glenn Dubin · DirectorSince 2023
-
Kenneth Carl Anderson · DirectorSince 2023
-
Laura Bessen · DirectorSince 2023
-
Malcolm Salter · DirectorSince 2023
-
Owen Hughes · DirectorSince 2023
-
Ronald Harold Wilfred Cooper · DirectorSince 2024
-
Stephen Fawell · DirectorSince 2024
-
Steven L. Hoerter · DirectorSince 2024
-
Utpal Koppikar · DirectorSince 2023
Chief executives
Andrew Hirsch
· President & CEO
Dates unknown
Board connections
6 of this board's directors also sit on 9 other boards.
- via Owen Hughes
- via Laura Bessen
- via Bruce Downey
- via Andrew Hirsch
- via Owen Hughes
- via Steven L. Hoerter
- via Steven L. Hoerter
- via Steven L. Hoerter
- via Ronald Harold Wilfred Cooper
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $22,200
- 1 sale by 1 insider
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jul 10, 2026 | REYNO LEONARD Officer (Chief Medical Officer) | Option exercise | +15,325 | — | — |
| Jul 10, 2026 | REYNO LEONARD Officer (Chief Medical Officer) | Shares withheld for tax | −7,397 | $4.06 | $30,032 |
| Jul 1, 2026 | Kenneth Carl Anderson Director | Grant or award | +2,650 | $4.34 | $11,501 |
| Jul 1, 2026 | Donna Roy Grogan Director | Grant or award | +3,341 | $4.34 | $14,500 |
| Jun 1, 2026 | Kenneth Carl Anderson Director | Option exercise | +1,070 | $2.11 | $2,258 |
| Apr 1, 2026 | Kenneth Carl Anderson Director | Grant or award | +4,259 | $2.70 | $11,499 |
| Apr 1, 2026 | Donna Roy Grogan Director | Grant or award | +5,370 | $2.70 | $14,499 |
| Feb 15, 2026 | Andrew Hirsch Director, Officer (President & CEO) | Option exercise | +20,400 | — | — |
| Feb 15, 2026 | Andrew Hirsch Director, Officer (President & CEO) | Shares withheld for tax | −9,057 | $1.89 | $17,118 |
| Feb 14, 2026 | Mahaney Paige Officer (Chief Scientific Officer) | Option exercise | +7,050 | — | — |
| Feb 14, 2026 | Andrew Hirsch Director, Officer (President & CEO) | Option exercise | +81,725 | — | — |
| Feb 14, 2026 | REYNO LEONARD Officer (Chief Medical Officer) | Option exercise | +30,950 | — | — |
| Feb 14, 2026 | Mossler Mark Officer (Chief Accounting Officer) | Option exercise | +9,420 | — | — |
| Feb 14, 2026 | Mahaney Paige Officer (Chief Scientific Officer) | Shares withheld for tax | −2,446 | $1.89 | $4,623 |
| Feb 14, 2026 | Andrew Hirsch Director, Officer (President & CEO) | Shares withheld for tax | −39,154 | $1.89 | $74,001 |
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