COGENT BIOSCIENCES INC

Ticker: COGT CUSIP: 19240Q201 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q4 2025

Shares 72,378 Value ($000) $2,571 Avg Close $28.11 Range $13.78 - $43.73

Q3 2025

Shares 137,281 Value ($000) $1,971 Avg Close $11.85 Range $7.07 - $14.54

Q2 2025

Shares 163,181 Value ($000) $1,172 Avg Close $5.54 Range $3.72 - $7.83

Q1 2025

Shares 169,449 Value ($000) $1,015 Avg Close $7.84 Range $5.89 - $10.15

Q3 2023

Shares 27,100 Value ($000) $264 Avg Close $11.86 Range $9.48 - $13.36

Q1 2023

Shares 26,000 Value ($000) $281 Avg Close $12.79 Range $9.65 - $15.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	72,378	$2,571	$28.11	$13.78 - $43.73
Q3 2025	137,281	$1,971	$11.85	$7.07 - $14.54
Q2 2025	163,181	$1,172	$5.54	$3.72 - $7.83
Q1 2025	169,449	$1,015	$7.84	$5.89 - $10.15
Q3 2023	27,100	$264	$11.86	$9.48 - $13.36
Q1 2023	26,000	$281	$12.79	$9.65 - $15.68