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Cogent Biosciences, Inc. (COGT)

Cogent Biosciences, Inc. (COGT) Insider Trading

Directors, officers and holders of more than 10% of COGT report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 60 transactions on file: 1 with code P, 5 with code S and 44 with other codes.

DateInsiderCodeShares
Oct 1, 2026Ferrante Karen JeanA Award759
Jul 1, 2026Ferrante Karen JeanA Award627
Jun 9, 2026Harwin Peter EvanA Award17,901
Jun 9, 2026Ferrante Karen JeanA Award17,901
Jun 9, 2026CAIN CHRISTOPHER W.A Award17,901
Jun 9, 2026Morris ArleneA Award17,901
Jun 9, 2026Shegog ToddA Award17,901
Jun 9, 2026Ros MatthewA Award17,901
May 19, 2026Robbins Andrew RG Gift160,000
May 19, 2026Robbins Andrew RG Gift160,000
Apr 1, 2026Ferrante Karen JeanA Award686
Jan 22, 2026Fairmount Funds Management LLCS Sale3,500,000
Jan 1, 2026Ferrante Karen JeanA Award643
Dec 26, 2025Robinson John EdwardS Sale90,000
Dec 26, 2025Kearns EvanS Sale65,000
Dec 26, 2025Green John L.S Sale77,000
Dec 26, 2025Sachs JessicaS Sale82,642
Dec 17, 2025Sachs JessicaF Tax Payment154,716
Dec 17, 2025Robbins Andrew RA Award245,000
Dec 17, 2025Kearns EvanA Award55,000
Dec 17, 2025Green John L.A Award65,000
Dec 17, 2025Kearns EvanF Tax Payment125,602
Dec 17, 2025Robbins Andrew RA Award185,000
Dec 17, 2025Robbins Andrew RA Award840,000
Dec 17, 2025Robbins Andrew RF Tax Payment367,497
Dec 17, 2025Kearns EvanA Award40,000
Dec 17, 2025Kearns EvanA Award260,000
Dec 17, 2025Green John L.A Award50,000
Dec 17, 2025Green John L.A Award300,000
Dec 17, 2025Green John L.F Tax Payment145,007
Dec 17, 2025Robinson John EdwardA Award50,000
Dec 17, 2025Robinson John EdwardA Award320,000
Dec 17, 2025Robinson John EdwardF Tax Payment139,998
Dec 17, 2025Pinnow ColeA Award50,000
Dec 17, 2025Pinnow ColeA Award214,000
Dec 17, 2025Pinnow ColeF Tax Payment94,800
Dec 17, 2025Sachs JessicaA Award50,000
Dec 17, 2025Sachs JessicaA Award320,000
Dec 17, 2025Robinson John EdwardA Award65,000
Dec 17, 2025Pinnow ColeA Award65,000
Dec 17, 2025Sachs JessicaA Award65,000
Oct 1, 2025Ferrante Karen JeanA Award1,642
Jul 10, 2025Fairmount Funds Management LLCP Purchase2,777,777
Jul 1, 2025Ferrante Karen JeanA Award3,314
Jun 4, 2025CAIN CHRISTOPHER W.A Award44,700
Jun 4, 2025Ferrante Karen JeanA Award44,700
Jun 4, 2025Morris ArleneA Award44,700
Jun 4, 2025Harwin Peter EvanA Award44,700
Jun 4, 2025Shegog ToddA Award44,700
Jun 4, 2025Ros MatthewA Award44,700

The full Form 4 history is on the COGT company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.