C4 Therapeutics, Inc. — Director's Dealing 2021

Sep 24, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: C4 Therapeutics, Inc. (CCCC)
CIK: 0001662579
Period of Report: 2021-09-22

Reporting Person: Prokupets Elena (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-22	Common Stock	S	3544	$50.10	Disposed	39492	Indirect
2021-09-22	Common Stock	S	7004	$50.0943	Disposed	519360	Indirect
2021-09-23	Common Stock	S	5926	$50.3475	Disposed	33566	Indirect
2021-09-23	Common Stock	S	446	$51.0861	Disposed	33120	Indirect
2021-09-23	Common Stock	S	11801	$50.3511	Disposed	507559	Indirect
2021-09-23	Common Stock	S	1007	$51.0772	Disposed	506552	Indirect
2021-09-24	Common Stock	S	900	$50.1125	Disposed	32220	Indirect
2021-09-24	Common Stock	S	2115	$50.101	Disposed	504437	Indirect

Footnotes

F1: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 12, 2021.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $50.00 to $50.31. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

F3: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2021.

F4: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $50.00 to $50.34. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

F5: Shares held by ERP Business Holdings, L.P. The Reporting Person disclaims beneficial ownership of these shares except to the extent of her pecuniary interest therein.

F6: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $50.00 to $50.99. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

F7: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $51.04 to $51.16. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

F8: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $51.00 to $51.16. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

F9: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $50.00 to $50.28. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.