0001662579 2022-07-29 2022-07-29 0001662579 false 8-K 2022-07-29 C4 THERAPEUTICS, INC. DE 001-39567 47-5617627 490 Arsenal Way, Suite 120 Watertown, MA 02472 617 231-0700 false false false false Common Stock, $0.0001 par value per share CCCC NASDAQ false