MetaCap

Cogent Biosciences Insider Trades

NASDAQ: COGTHealth CareBiotechnology: Pharmaceutical PreparationsUSD

31.00+0.92 (+3.06%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
0 · $0
Sales
8 · $383.89M
Shares bought / sold
0 / 10.86M
Net activity
Net selling $383.9 million

Cogent Biosciences insider activity

Over the last 12 months, Cogent Biosciences insiders reported 31 transactions on SEC Form 4: 0 open-market purchases and 8 sales. Insiders bought $0 and sold $383.9 million worth of stock, for net insider selling of $383.9 million. The largest seller was Fairmount Funds Management LLC, with $370.0 million in reported sales.

The most recent filing shows Morris Arlene (Director) reporting a transaction in 41,927 shares at $5.64 on Aug 27, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put COGT's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

COGT insider transactions

Cogent Biosciences insider transactions
DateInsiderTypeSharesValueFiling
Aug 27, 2026Morris ArleneDirectorSale3,161$118.66KForm 4
Aug 27, 2026Morris ArleneDirectorSale42,349$1.57MForm 4
Aug 27, 2026Morris ArleneDirectorOption exercise3,583$9.03KForm 4
Aug 27, 2026Morris ArleneDirectorOption exercise41,927$236.47KForm 4
May 19, 2026Robbins Andrew RPresident and CEOGift160,000—Form 4
May 19, 2026Robbins Andrew RPresident and CEOGift160,000—Form 4
Mar 31, 2026Fairmount Funds Management LLCDirectorSale7,000,000$242.62MForm 4
Mar 31, 2026Fairmount Funds Management LLCDirectorConversion7,000,000—Form 4
Jan 22, 2026Fairmount Funds Management LLCDirectorSale3,500,000$127.40MForm 4
Dec 26, 2025Sachs JessicaChief Medical OfficerSale82,642$3.20MForm 4
Dec 26, 2025Robinson John EdwardChief Scientific OfficerSale90,000$3.49MForm 4
Dec 26, 2025Green John L.Chief Financial OfficerSale77,000$2.98MForm 4
Dec 26, 2025Kearns EvanChief Legal OfficerSale65,000$2.52MForm 4
Dec 17, 2025Green John L.Chief Financial OfficerTax withholding145,007$5.72MForm 4
Dec 17, 2025Green John L.Chief Financial OfficerAward300,000—Form 4
Dec 17, 2025Green John L.Chief Financial OfficerAward50,000—Form 4
Dec 17, 2025Kearns EvanChief Legal OfficerTax withholding125,602$4.95MForm 4
Dec 17, 2025Kearns EvanChief Legal OfficerAward260,000—Form 4
Dec 17, 2025Kearns EvanChief Legal OfficerAward40,000—Form 4
Dec 17, 2025Robinson John EdwardChief Scientific OfficerTax withholding139,998$5.52MForm 4
Dec 17, 2025Robinson John EdwardChief Scientific OfficerAward320,000—Form 4
Dec 17, 2025Robinson John EdwardChief Scientific OfficerAward50,000—Form 4
Dec 17, 2025Sachs JessicaChief Medical OfficerTax withholding154,716$6.10MForm 4
Dec 17, 2025Sachs JessicaChief Medical OfficerAward320,000—Form 4
Dec 17, 2025Sachs JessicaChief Medical OfficerAward50,000—Form 4
Dec 17, 2025Pinnow ColeChief Commercial OfficerTax withholding94,800$3.74MForm 4
Dec 17, 2025Pinnow ColeChief Commercial OfficerAward214,000—Form 4
Dec 17, 2025Pinnow ColeChief Commercial OfficerAward50,000—Form 4
Dec 17, 2025Robbins Andrew RPresident and CEOTax withholding367,497$14.50MForm 4
Dec 17, 2025Robbins Andrew RPresident and CEOAward840,000—Form 4
Dec 17, 2025Robbins Andrew RPresident and CEOAward185,000—Form 4
Jul 10, 2025Fairmount Funds Management LLCDirectorBuy2,777,777$25.00MForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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