COGENT BIOSCIENCES INC

Ticker: COGT CUSIP: 19240Q201 Class: Common Stock

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q4 2025

Shares 493,934 Value ($000) $17,545 Avg Close $28.11 Range $13.78 - $43.73

Q3 2025

Shares 100,000 Value ($000) $1,436 Avg Close $11.85 Range $7.07 - $14.54

Q4 2023

Shares 50,000 Value ($000) $294 Avg Close $7.66 Range $3.67 - $10.26

Q3 2023

Shares 50,000 Value ($000) $488 Avg Close $11.86 Range $9.48 - $13.36

Q2 2023

Shares 50,000 Value ($000) $592 Avg Close $11.47 Range $9.81 - $13.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	493,934	$17,545	$28.11	$13.78 - $43.73
Q3 2025	100,000	$1,436	$11.85	$7.07 - $14.54
Q4 2023	50,000	$294	$7.66	$3.67 - $10.26
Q3 2023	50,000	$488	$11.86	$9.48 - $13.36
Q2 2023	50,000	$592	$11.47	$9.81 - $13.50