Cogent Biosciences Ownership & Insider Activity

Cogent Biosciences (COGT) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 3.6% of shares outstanding. Institutional investors hold 72.3%.

Shares Outstanding

173.525M

Shares Float

172.561M

Insider Shares Owned

6.324M

Insider % Owned

3.6%

Institutional Shares Held

125.432M

Institutional % Held

72.3%

Ownership Breakdown

Net Insider Activity by Month

Cogent Biosciences Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 27, 2026	Arlene Morris	—	SELL-OPTIONS	—	$21.26	$1.4M
Mar 31, 2026	Fairmount Funds Management LLC	DIRECTOR	SELL-OPTIONS	—	$34.66	$242.6M

Date	Member	Party	Chamber	Action	Amount
Dec 12, 2022	Chris Jacobs	R	House	Purchase	$1,001 - $15,000