C4 THERAPEUTICS INC

Ticker: CCCC CUSIP: 12529R107 Class: Common Stock

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

Note: Option positions (PUT/CALL) are excluded.

Q1 2025

Shares 12,528 Value ($000) $20 Avg Close $2.98 Range $1.58 - $4.26

Q1 2024

Shares 28,590 Value ($000) $234 Avg Close $7.75 Range $5.00 - $11.88

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	12,528	$20	$2.98	$1.58 - $4.26
Q1 2024	28,590	$234	$7.75	$5.00 - $11.88