C4 THERAPEUTICS INC

Ticker: CCCC CUSIP: 12529R107 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2022

Shares 345,969 Value ($000) $2,041 Avg Close $8.29 Range $5.34 - $10.42

Q3 2022

Shares 606,721 Value ($000) $5,321 Avg Close $10.38 Range $7.35 - $13.23

Q2 2022

Shares 597,374 Value ($000) $4,504 Avg Close $8.80 Range $4.84 - $26.80

Q1 2022

Shares 353,912 Value ($000) $8,586 Avg Close $24.28 Range $19.81 - $33.76

Q4 2021

Shares 360,710 Value ($000) $11,615 Avg Close $39.55 Range $27.84 - $48.75

Q3 2021

Shares 641,399 Value ($000) $28,658 Avg Close $42.82 Range $34.47 - $51.21

Q2 2021

Shares 207,583 Value ($000) $7,855 Avg Close $35.81 Range $29.55 - $43.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	345,969	$2,041	$8.29	$5.34 - $10.42
Q3 2022	606,721	$5,321	$10.38	$7.35 - $13.23
Q2 2022	597,374	$4,504	$8.80	$4.84 - $26.80
Q1 2022	353,912	$8,586	$24.28	$19.81 - $33.76
Q4 2021	360,710	$11,615	$39.55	$27.84 - $48.75
Q3 2021	641,399	$28,658	$42.82	$34.47 - $51.21
Q2 2021	207,583	$7,855	$35.81	$29.55 - $43.50