COGT

Cogent Biosciences, Inc.$32.55+0.56 (+1.73%)

Prev Close$32.00·MCap$5.47B·P/E—·Vol1.46M·Yield—

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Buys (12M)

$0.00

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Sells (12M)

$297.03M

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Net Activity

Net Seller

$297.03M

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at Cogent Biosciences, Inc. (COGT) has been exclusively selling, with 0 insider purchases totaling $0.00 and 12 insider sales totaling $297.03M. The most recent insider transaction was by Morris Arlene (director), who sold $1.69M worth of shares on Aug 31, 2026. Cogent Biosciences, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $5.47B.

COGT Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Aug 31, 2026	Morris Arlene	director	Sell	45,510	$37.12	$1.69M	3,161-94%
Mar 31, 2026	Fairmount Funds Management LLC	director	Sell	7,000,000	$34.66	$242.62M4.3% OS	5,503,418-56%
Dec 26, 2025	Green John L.	Chief Financial Officer	Sell	77,000	$38.68	$2.98M	0
Dec 26, 2025	Kearns Evan	Chief Legal Officer	Sell	65,000	$38.70	$2.52M	0
Dec 26, 2025	Robinson John Edward	Chief Scientific Officer	Sell	90,000	$38.74	$3.49M	0
Dec 26, 2025	Sachs Jessica	Chief Medical Officer	Sell	82,642	$38.70	$3.20M	0
Dec 17, 2025	Green John L.	Chief Financial Officer	Sell	145,007	$39.45	$5.72M	0
Dec 17, 2025	Kearns Evan	Chief Legal Officer	Sell	125,602	$39.45	$4.96M	0
Dec 17, 2025	Pinnow Cole	Chief Commercial Officer	Sell	94,800	$39.45	$3.74M	0
Dec 17, 2025	Robbins Andrew R	President and CEO	Sell	367,497	$39.45	$14.50M	0
Dec 17, 2025	Robinson John Edward	Chief Scientific Officer	Sell	139,998	$39.45	$5.52M	0
Dec 17, 2025	Sachs Jessica	Chief Medical Officer	Sell	154,716	$39.45	$6.10M	0
Jan 14, 2025	Pinnow Cole	Chief Commercial Officer	Buy	43,750	$7.60	$332.4K	0
Apr 26, 2021	Green John L.	Chief Financial Officer	Sell	17,813	$8.86	$157.8K	0

COGT Insider Buying Activity

The following table shows recent insider purchases of Cogent Biosciences, Inc. (COGT) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jan 14, 2025	Pinnow Cole	Chief Commercial Officer	Buy	43,750	$7.60	$332.4K	0

COGT Insider Selling Activity

The following table shows recent insider sales of Cogent Biosciences, Inc. (COGT) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Aug 31, 2026	Morris Arlene	director	Sell	45,510	$37.12	$1.69M	3,161-94%
Mar 31, 2026	Fairmount Funds Management LLC	director	Sell	7,000,000	$34.66	$242.62M4.3% OS	5,503,418-56%
Dec 26, 2025	Green John L.	Chief Financial Officer	Sell	77,000	$38.68	$2.98M	0
Dec 26, 2025	Kearns Evan	Chief Legal Officer	Sell	65,000	$38.70	$2.52M	0
Dec 26, 2025	Robinson John Edward	Chief Scientific Officer	Sell	90,000	$38.74	$3.49M	0
Dec 26, 2025	Sachs Jessica	Chief Medical Officer	Sell	82,642	$38.70	$3.20M	0
Dec 17, 2025	Green John L.	Chief Financial Officer	Sell	145,007	$39.45	$5.72M	0
Dec 17, 2025	Kearns Evan	Chief Legal Officer	Sell	125,602	$39.45	$4.96M	0
Dec 17, 2025	Pinnow Cole	Chief Commercial Officer	Sell	94,800	$39.45	$3.74M	0
Dec 17, 2025	Robbins Andrew R	President and CEO	Sell	367,497	$39.45	$14.50M	0
Dec 17, 2025	Robinson John Edward	Chief Scientific Officer	Sell	139,998	$39.45	$5.52M	0
Dec 17, 2025	Sachs Jessica	Chief Medical Officer	Sell	154,716	$39.45	$6.10M	0
Apr 26, 2021	Green John L.	Chief Financial Officer	Sell	17,813	$8.86	$157.8K	0