Andrew Hirsch - 25 May 2022 Form 4 Insider Report for C4 Therapeutics, Inc. (CCCC)

Role: President & CEO, Director
Signature: /s/ Jolie M. Siegel, Attorney-in-Fact
Issuer symbol: CCCC
Transactions as of: 25 May 2022
Net transactions value: $0
Form type: 4
Filing time: 27 May 2022, 16:15:20 UTC
Previous filing: 12 Apr 2022
Next filing: 14 Jun 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CCCC	Common Stock	Options Exercise		+12,500	+125%		22,500	25 May 2022	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CCCC	Performance Restricted Stock Units	Options Exercise	$0	-12,500	-14%	$0.000000	75,000	25 May 2022	Common Stock	12,500		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each performance restricted stock unit ("PRSU") represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. 15,000 PRSUs shall vest upon satisfaction of three escalating share price vesting milestones, and the remaining PRSUs vest upon satisfaction of certain discovery and clinical milestones.