C4 Therapeutics, Inc.

SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.

CCCC

organization

SIC: 2836

SEC Insider

$19.7M

517 transactions

Summary

C4 Therapeutics, Inc. (CCCC) is an organization.

Recent Insider Transactions

As filed, including amendments; not net cash flow or current holdings. Joint reports count once. Totals cover known values only.

Buys: $336KSales: $16.9M27 insiders

Date	Insider	Type	Value
2026-02-14	REYNO LEONARD(Chief Medical Officer)	F	$31K
2026-02-14	Adams Kendra(Chief Financial Officer)	F	$29K
2026-02-15	Hirsch Andrew(President & CEO)	F	$17K
2026-04-01	GROGAN DONNA ROY	A	$14K
2026-04-01	Anderson Kenneth Carl	A	$11K
2026-02-14	Mossler Mark(Chief Accounting Officer)	F	$6K
2026-06-01	Anderson Kenneth Carl	M	$2K
2026-06-24	GROGAN DONNA ROY	A	$0
2026-06-24	Fawell Stephen	A	$0
2026-06-24	Bessen Laura	A	$0
2026-06-24	Cooper Ronald Harold Wilfred	A	$0
2026-06-24	Anderson Kenneth Carl	A	$0
2026-06-24	Koppikar Utpal	A	$0
2026-06-24	Hoerter Steven L.	A	$0
2026-06-24	Hughes Owen	A	$0
2026-06-01	Anderson Kenneth Carl	M	$0
2026-02-15	Hirsch Andrew(President & CEO)	M	$0
2026-02-14	Mossler Mark(Chief Accounting Officer)	M	$0
2026-02-14	Adams Kendra(Chief Financial Officer)	M	$0
2026-02-14	REYNO LEONARD(Chief Medical Officer)	M	$0

SEC filings: SEC EDGAR

Activity data: SEC EDGAR

C4 Therapeutics, Inc. — Contributions, Lobbying & Contracts | Poliscope