NASDAQ:COGT | Insider Transactions | Cogent Biosciences, Inc.

COGT Insider Transactions

71 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–71; provenance stays internal.

COGT insiders transaction timeline

PurchaseSale
2018-04-03: 7 purchases — FMR LLC, Ratcliffe Liam, Atlas Venture Associates IX, LLC and 3 more2018-09-25: 1 sale — Ettenberg Seth2018-10-25: 1 sale — Ettenberg Seth2018-11-26: 1 sale — Ettenberg Seth2018-12-26: 1 sale — Ettenberg Seth2019-02-25: 1 sale — Ettenberg Seth2019-03-25: 1 sale — Ettenberg Seth2020-04-06: 1 sale — CAMPANA DARIO2020-04-07: 1 sale — CAMPANA DARIO2020-04-08: 1 sale — CAMPANA DARIO2020-04-09: 1 sale — CAMPANA DARIO2020-04-14: 2 sales — CAMPANA DARIO2020-04-15: 1 sale — CAMPANA DARIO2020-04-16: 1 sale — CAMPANA DARIO2020-04-17: 1 sale — CAMPANA DARIO2020-04-20: 1 sale — CAMPANA DARIO2020-04-27: 1 sale — CAMPANA DARIO2020-04-28: 1 sale — CAMPANA DARIO2020-04-29: 1 sale — CAMPANA DARIO2020-04-30: 1 sale — CAMPANA DARIO2020-05-01: 1 sale — CAMPANA DARIO2020-05-04: 1 sale — CAMPANA DARIO2020-05-05: 1 sale — CAMPANA DARIO2020-05-06: 1 sale — CAMPANA DARIO2020-05-07: 1 sale — CAMPANA DARIO2020-05-08: 1 sale — CAMPANA DARIO2020-05-11: 2 sales — CAMPANA DARIO2020-05-12: 1 sale — CAMPANA DARIO2020-08-14: 8 purchases — VHCP Management II, LLC, Venrock Healthcare Capital Partners II, L.P., Koh Bong Y and 5 more2020-08-17: 8 purchases — VHCP Management II, LLC, Venrock Healthcare Capital Partners II, L.P., Koh Bong Y and 5 more2020-08-18: 8 purchases — VHCP Management II, LLC, Venrock Healthcare Capital Partners II, L.P., Koh Bong Y and 5 more2021-04-26: 1 sale — Green John L.2022-06-16: 1 purchase — Fairmount Funds Management LLC2023-06-09: 1 purchase — Fairmount Funds Management LLC2025-01-14: 1 purchase — Pinnow Cole2025-07-10: 1 purchase — Fairmount Funds Management LLC2025-12-26: 4 sales — Kearns Evan, Green John L., Sachs Jessica and 1 more2026-01-22: 1 sale — Fairmount Funds Management LLC2026-03-31: 1 sale — Fairmount Funds Management LLC2018-04-032026-03-31
Insider profileRoleDateTransactionSharesPrice
Fairmount Funds Management LLCDirector2026-03-31Sale7,000,000.0$34.66
Fairmount Funds Management LLCDirector2026-01-22Sale3,500,000.0$36.4
Kearns EvanChief Legal Officer2025-12-26Sale65,000.0$38.7
Green John L.Chief Financial Officer2025-12-26Sale77,000.0$38.68
Sachs JessicaChief Medical Officer2025-12-26Sale82,642.0$38.7
Robinson John EdwardChief Scientific Officer2025-12-26Sale90,000.0$38.74
Fairmount Funds Management LLCDirector2025-07-10Purchase2,777,777.0$9.0
Pinnow ColeChief Commercial Officer2025-01-14Purchase43,750.0$7.6
Fairmount Funds Management LLCTenPercentOwner,Other2023-06-09Purchase800,000.0$12.0
Fairmount Funds Management LLCTenPercentOwnerOther2022-06-16Purchase1,200,000.0$8.25
Green John L.Chief Financial Officer2021-04-26Sale17,813.0$8.86
VHCP Management II, LLCTenPercentOwner2020-08-18Purchase101,000.0$2.62
Venrock Healthcare Capital Partners II, L.P.TenPercentOwner2020-08-18Purchase101,000.0$2.62
Koh Bong YTenPercentOwner2020-08-18Purchase101,000.0$2.62
VHCP Co-Investment Holdings II, LLCTenPercentOwner2020-08-18Purchase101,000.0$2.62
Shah Nimish PTenPercentOwner2020-08-18Purchase101,000.0$2.62
Venrock Healthcare Capital Partners III, L.P.TenPercentOwner2020-08-18Purchase101,000.0$2.62
VHCP Management III, LLCTenPercentOwner2020-08-18Purchase101,000.0$2.62
VHCP Co-Investment Holdings III, LLCTenPercentOwner2020-08-18Purchase101,000.0$2.62
VHCP Management II, LLCTenPercentOwner2020-08-17Purchase250,000.0$2.57
Venrock Healthcare Capital Partners II, L.P.TenPercentOwner2020-08-17Purchase250,000.0$2.57
Koh Bong YTenPercentOwner2020-08-17Purchase250,000.0$2.57
VHCP Co-Investment Holdings II, LLCTenPercentOwner2020-08-17Purchase250,000.0$2.57
Shah Nimish PTenPercentOwner2020-08-17Purchase250,000.0$2.57
Venrock Healthcare Capital Partners III, L.P.TenPercentOwner2020-08-17Purchase250,000.0$2.57
VHCP Management III, LLCTenPercentOwner2020-08-17Purchase250,000.0$2.57
VHCP Co-Investment Holdings III, LLCTenPercentOwner2020-08-17Purchase250,000.0$2.57
VHCP Management II, LLCTenPercentOwner2020-08-14Purchase100,000.0$2.3
Venrock Healthcare Capital Partners II, L.P.TenPercentOwner2020-08-14Purchase100,000.0$2.3
Koh Bong YTenPercentOwner2020-08-14Purchase100,000.0$2.3
VHCP Co-Investment Holdings II, LLCTenPercentOwner2020-08-14Purchase100,000.0$2.3
Shah Nimish PTenPercentOwner2020-08-14Purchase100,000.0$2.3
Venrock Healthcare Capital Partners III, L.P.TenPercentOwner2020-08-14Purchase100,000.0$2.3
VHCP Management III, LLCTenPercentOwner2020-08-14Purchase100,000.0$2.3
VHCP Co-Investment Holdings III, LLCTenPercentOwner2020-08-14Purchase100,000.0$2.3
CAMPANA DARIOTenPercentOwner2020-05-12Sale98,200.0$0.46
CAMPANA DARIOTenPercentOwner2020-05-11Sale77,719.0$0.45
CAMPANA DARIOTenPercentOwner2020-05-11Sale22,281.0$0.46
CAMPANA DARIOTenPercentOwner2020-05-08Sale100,000.0$0.46
CAMPANA DARIOTenPercentOwner2020-05-07Sale100,000.0$0.41
CAMPANA DARIOTenPercentOwner2020-05-06Sale1,800.0$0.4
CAMPANA DARIOTenPercentOwner2020-05-05Sale135,484.0$0.4
CAMPANA DARIOTenPercentOwner2020-05-04Sale4,795.0$0.4
CAMPANA DARIOTenPercentOwner2020-05-01Sale800.0$0.41
CAMPANA DARIOTenPercentOwner2020-04-30Sale75,994.0$0.4
CAMPANA DARIOTenPercentOwner2020-04-29Sale382,927.0$0.41
CAMPANA DARIOTenPercentOwner2020-04-28Sale15,048.0$0.41
CAMPANA DARIOTenPercentOwner2020-04-27Sale242,579.0$0.4
CAMPANA DARIOTenPercentOwner2020-04-20Sale12,606.0$0.4
CAMPANA DARIOTenPercentOwner2020-04-17Sale65,540.0$0.39
CAMPANA DARIOTenPercentOwner2020-04-16Sale600.0$0.38
CAMPANA DARIOTenPercentOwner2020-04-15Sale82,782.0$0.38
CAMPANA DARIOTenPercentOwner2020-04-14Sale44,006.0$0.4
CAMPANA DARIOTenPercentOwner2020-04-14Sale54,967.0$0.4
CAMPANA DARIOTenPercentOwner2020-04-09Sale420,292.0$0.33
CAMPANA DARIOTenPercentOwner2020-04-08Sale100.0$0.35
CAMPANA DARIOTenPercentOwner2020-04-07Sale11,400.0$0.35
CAMPANA DARIOTenPercentOwner2020-04-06Sale50,080.0$0.35
Ettenberg SethChief Scientific Officer2019-03-25Sale11,485.0$4.12
Ettenberg SethChief Scientific Officer2019-02-25Sale11,485.0$4.25
Ettenberg SethChief Scientific Officer2018-12-26Sale11,485.0$4.05
Ettenberg SethChief Scientific Officer2018-11-26Sale11,485.0$7.0
Ettenberg SethChief Scientific Officer2018-10-25Sale11,485.0$8.46
Ettenberg SethChief Scientific Officer2018-09-25Sale11,485.0$12.47
FMR LLCOther2018-04-03Purchase94,052.0$12.0
Ratcliffe LiamDirector2018-04-03Purchase275,000.0$12.0
Ratcliffe LiamDirector2018-04-03Purchase275,000.0$12.0
Atlas Venture Associates IX, LLCTenPercentOwner2018-04-03Purchase94,052.0$12.0
Atlas Venture Associates IX, L.P.TenPercentOwner2018-04-03Purchase94,052.0$12.0
Atlas Venture Fund IX, L.P.TenPercentOwner2018-04-03Purchase94,052.0$12.0
Booth BruceDirector2018-04-03Purchase94,052.0$12.0