COGENT BIOSCIENCES INC

Ticker: COGT CUSIP: 19240Q201 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025

Shares 619 Value ($000) $22 Avg Close $28.11 Range $13.78 - $43.73

Q3 2025

Shares 748 Value ($000) $11 Avg Close $11.85 Range $7.07 - $14.54

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	619	$22	$28.11	$13.78 - $43.73
Q3 2025	748	$11	$11.85	$7.07 - $14.54