LIVE FROM THE DATABASETRANSACTIONS 362,114COMPANIES 5,761LATEST TRADE Oct 16UPDATED Oct 16, 09:12 PM
COGTCIK 0001622229

Cogent Biosciences, Inc.

49 transactions by 13 insiders, from December 17, 2025 to August 27, 2026.

Transactions
4913 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$383.9Mopen market
Net
−$383.9Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Arlene MorrisDir76/7—$1.7M
Andrew R. RobbinsCEO6———
Jessica SachsCMO5——$3.2M
Evan KearnsGC5——$2.5M
John Edward RobinsonChief5——$3.5M
John L. GreenCFO5——$3.0M
Cole PinnowChief4———
Karen Jean FerranteDir4———
Fairmount Funds Management LLCDir4——$370.0M
Peter Evan HarwinDir1———
Christopher W. CainDir1———
Matthew RosDir1———
Todd ShegogDir1———

All transactions

49 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Arlene MorrisDirDERIVAug 27MPLAN3,583$0.00—?
Arlene MorrisDirDERIVAug 27MPLAN41,927$0.00—?
Arlene MorrisDirAug 27SPLAN3,161$37.54$119K
Arlene MorrisDirAug 27SPLAN42,349$37.09$1.6M
Arlene MorrisDirAug 27MPLAN3,583$2.52$9K
Arlene MorrisDirAug 27MPLAN41,927$5.64$236K
Karen Jean FerranteDirDERIVJul 1A627$0.00—?
Todd ShegogDirDERIVJun 9A17,901$0.00—?
Arlene MorrisDirDERIVJun 9A17,901$0.00—?
Matthew RosDirDERIVJun 9A17,901$0.00—?
Peter Evan HarwinDirDERIVJun 9A17,901$0.00—?
Karen Jean FerranteDirDERIVJun 9A17,901$0.00—?
Christopher W. CainDirDERIVJun 9A17,901$0.00—?
Andrew R. RobbinsCEOMay 19G160,000$0.00—
Andrew R. RobbinsCEOMay 19G160,000$0.00—
Karen Jean FerranteDirDERIVApr 1A686$0.00—?
Fairmount Funds Management LLCDirDERIVMar 31C28,000$0.00—?
Fairmount Funds Management LLCDirMar 31S7,000,000$34.66$242.6M
Fairmount Funds Management LLCDirMar 31C7,000,000——
Fairmount Funds Management LLCDirJan 22S3,500,000$36.40$127.4M
Karen Jean FerranteDirDERIVJan 1A643$0.00—?
Evan KearnsGCDec 26S65,000$38.70$2.5M
John L. GreenCFODec 26S77,000$38.68$3.0M
Jessica SachsCMODec 26S82,642$38.70$3.2M
John Edward RobinsonChiefDec 26S90,000$38.74$3.5M
John Edward RobinsonChiefDERIVDec 17A65,000$0.00—?
John Edward RobinsonChiefDec 17F139,998$39.45$5.5M
John Edward RobinsonChiefDec 17A320,000$0.00—
John Edward RobinsonChiefDec 17A50,000$0.00—
Andrew R. RobbinsCEODERIVDec 17A245,000$0.00—?
Andrew R. RobbinsCEODec 17F367,497$39.45$14.5M
Andrew R. RobbinsCEODec 17A840,000$0.00—
Andrew R. RobbinsCEODec 17A185,000$0.00—
Cole PinnowChiefDERIVDec 17A65,000$0.00—?
Cole PinnowChiefDec 17F94,800$39.45$3.7M
Cole PinnowChiefDec 17A214,000$0.00—
Cole PinnowChiefDec 17A50,000$0.00—
Jessica SachsCMODERIVDec 17A65,000$0.00—?
Jessica SachsCMODec 17F154,716$39.45$6.1M
Jessica SachsCMODec 17A320,000$0.00—
Jessica SachsCMODec 17A50,000$0.00—
Evan KearnsGCDERIVDec 17A55,000$0.00—?
Evan KearnsGCDec 17F125,602$39.45$5.0M
Evan KearnsGCDec 17A260,000$0.00—
Evan KearnsGCDec 17A40,000$0.00—
John L. GreenCFODERIVDec 17A65,000$0.00—?
John L. GreenCFODec 17F145,007$39.45$5.7M
John L. GreenCFODec 17A300,000$0.00—
John L. GreenCFODec 17A50,000$0.00—