Cogent Biosciences, Inc. (COGT)

Latest Insider Confidence Score

2026Q1

52.4
Bullish

Company insider confidence (by quarter)

2018Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Fairmount Funds Management LLC Director 9,003,418 Jul 14, 2025
Wilson Charles — 5,095,114 Mar 28, 2018
Shah Nimish P 10% Owner 4,355,273 Aug 18, 2020
Venrock Healthcare Capital Partners III, L.P. 10% Owner 4,355,273 Aug 18, 2020
VHCP Co-Investment Holdings III, LLC 10% Owner 4,355,273 Aug 18, 2020

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 22, 2026 Jan 22, 2026 Fairmount Funds Management LLC Director Sell 15.0 -3,500,000 -38.87% ✗ $127.4M
Jan 1, 2026 Jan 5, 2026 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Dec 26, 2025 Dec 30, 2025 Kearns Evan Chief Legal Officer Sell 17.5 -65,000 -37.27% ✗ $2.5M
Dec 26, 2025 Dec 30, 2025 Green John L. CFO Sell 17.5 -77,000 -36.87% ✗ $3M
Dec 26, 2025 Dec 30, 2025 Sachs Jessica Chief Medical Officer Sell 17.5 -82,642 -38.16% ✗ $3.2M
Dec 26, 2025 Dec 30, 2025 Robinson John Edward Chief Scientific Officer Sell 17.5 -90,000 -39.13% ✗ $3.5M
Dec 17, 2025 Dec 19, 2025 Robinson John Edward Chief Scientific Officer Sell 100.0 +230,002 100.00% ✗ $5.5M
Dec 17, 2025 Dec 19, 2025 Robbins Andrew R CEO Sell 100.0 +657,503 100.00% ✗ $14.5M
Dec 17, 2025 Dec 19, 2025 Pinnow Cole Chief Commercial Officer Sell 100.0 +169,200 356.59% ✗ $3.7M
Dec 17, 2025 Dec 19, 2025 Kearns Evan Chief Legal Officer Sell 100.0 +174,398 100.00% ✗ $5M
Dec 17, 2025 Dec 19, 2025 Sachs Jessica Chief Medical Officer Sell 100.0 +215,284 16611.42% ✗ $6.1M
Dec 17, 2025 Dec 19, 2025 Green John L. CFO Sell 100.0 +204,993 5336.97% ✗ $5.7M
Oct 1, 2025 Oct 3, 2025 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jul 10, 2025 Jul 14, 2025 Fairmount Funds Management LLC Director Buy 100.0 +2,777,777 44.62% ✗ $25M
Jul 1, 2025 Jul 2, 2025 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 5, 2025 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 5, 2025 CAIN CHRISTOPHER W. Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 5, 2025 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 5, 2025 Shegog Todd Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 5, 2025 Harwin Peter Evan Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 5, 2025 Morris Arlene Director Neutral 52.5 - 0.00% ✗ -
Apr 1, 2025 Apr 3, 2025 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jan 23, 2025 Jan 27, 2025 Green John L. CFO Neutral 52.5 - 0.00% ✗ -
Jan 23, 2025 Jan 27, 2025 Pinnow Cole Chief Commercial Officer Neutral 52.5 - 0.00% ✗ -
Jan 23, 2025 Jan 27, 2025 Robinson John Edward Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Jan 23, 2025 Jan 27, 2025 Sachs Jessica Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 23, 2025 Jan 27, 2025 Robbins Andrew R CEO Neutral 52.5 - 0.00% ✗ -
Jan 23, 2025 Jan 27, 2025 Kearns Evan Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Jan 14, 2025 Jan 15, 2025 Pinnow Cole Chief Commercial Officer Buy 97.5 +43,750 2085.32% ✗ $332.4K
Jan 1, 2025 Jan 3, 2025 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Oct 1, 2024 Oct 2, 2024 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2024 Jul 2, 2024 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 13, 2024 CAIN CHRISTOPHER W. Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 13, 2024 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 13, 2024 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 13, 2024 Harwin Peter Evan Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 13, 2024 Shegog Todd Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 13, 2024 Morris Arlene Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2024 Jun 12, 2024 Fairmount Funds Management LLC Director Neutral 52.5 - 0.00% ✗ -
May 25, 2024 May 29, 2024 Pinnow Cole Chief Commercial Officer Neutral 52.5 - 0.00% ✗ -
May 29, 2024 Pinnow Cole Chief Commercial Officer Neutral 52.5 - 0.00% ✗ -
Apr 1, 2024 Apr 2, 2024 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Mar 28, 2024 Apr 1, 2024 Fairmount Funds Management LLC Director Neutral 52.5 - 0.00% ✗ -
Feb 16, 2024 Feb 16, 2024 Fairmount Funds Management LLC 10% Owner Neutral 90.0 +1,166,666 32.78% ✗ -
Jan 23, 2024 Jan 25, 2024 Robinson John Edward Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Jan 23, 2024 Jan 25, 2024 Kearns Evan Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Jan 23, 2024 Jan 25, 2024 Sachs Jessica Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 23, 2024 Jan 25, 2024 Robbins Andrew R CEO Neutral 52.5 - 0.00% ✗ -
Jan 23, 2024 Jan 25, 2024 Green John L. CFO Neutral 52.5 - 0.00% ✗ -
Jan 2, 2024 Jan 4, 2024 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2024 Jan 4, 2024 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Oct 2, 2023 Oct 3, 2023 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Oct 2, 2023 Oct 3, 2023 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jul 3, 2023 Jul 5, 2023 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jul 3, 2023 Jul 5, 2023 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Jun 9, 2023 Jun 13, 2023 Fairmount Funds Management LLC 10% Owner Buy 100.0 +800,000 29.00% ✗ $9.6M
Jun 7, 2023 Jun 8, 2023 Morris Arlene Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2023 Jun 8, 2023 CAIN CHRISTOPHER W. Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2023 Jun 8, 2023 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2023 Jun 8, 2023 Shegog Todd Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2023 Jun 8, 2023 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2023 Jun 8, 2023 Harwin Peter Evan Director Neutral 52.5 - 0.00% ✗ -
Apr 3, 2023 Apr 4, 2023 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Apr 3, 2023 Apr 4, 2023 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Feb 13, 2023 Feb 15, 2023 Robinson John Edward Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Feb 13, 2023 Feb 15, 2023 Kearns Evan Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Feb 13, 2023 Feb 15, 2023 Sachs Jessica Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Feb 13, 2023 Feb 15, 2023 Green John L. CFO Neutral 52.5 - 0.00% ✗ -
Feb 13, 2023 Feb 15, 2023 Robbins Andrew R CEO Neutral 52.5 - 0.00% ✗ -
Jan 3, 2023 Jan 4, 2023 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2023 Jan 4, 2023 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Oct 3, 2022 Oct 4, 2022 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Oct 3, 2022 Oct 4, 2022 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2022 Jul 5, 2022 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2022 Jul 5, 2022 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Jun 30, 2022 Jul 1, 2022 Sachs Jessica Chief Medical Officer Neutral 90.0 +622 100.00% ✗ -
Jun 16, 2022 Jun 21, 2022 Fairmount Funds Management LLC 10% Owner Buy 100.0 +1,200,000 76.97% ✗ $9.9M
Jun 7, 2022 Jun 9, 2022 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2022 Jun 9, 2022 Morris Arlene Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2022 Jun 9, 2022 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2022 Jun 9, 2022 CAIN CHRISTOPHER W. Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2022 Jun 9, 2022 Harwin Peter Evan Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2022 Jun 9, 2022 Shegog Todd Director Neutral 52.5 - 0.00% ✗ -
Apr 1, 2022 Apr 5, 2022 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Apr 1, 2022 Apr 5, 2022 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Jan 25, 2022 Jan 27, 2022 Green John L. CFO Neutral 52.5 - 0.00% ✗ -
Jan 25, 2022 Jan 27, 2022 Sachs Jessica Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 25, 2022 Jan 27, 2022 Kearns Evan Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Jan 25, 2022 Jan 27, 2022 Robinson John Edward Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Jan 25, 2022 Jan 27, 2022 Robbins Andrew R CEO Neutral 52.5 - 0.00% ✗ -
Dec 31, 2021 Jan 4, 2022 Sachs Jessica Chief Medical Officer Neutral 90.0 +674 100.00% ✗ -
Jan 3, 2022 Jan 4, 2022 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 4, 2022 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Oct 1, 2021 Oct 5, 2021 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
Oct 1, 2021 Oct 5, 2021 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2021 Jul 6, 2021 Ros Matthew Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2021 Jul 6, 2021 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
May 3, 2021 May 5, 2021 Kearns Evan Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
May 5, 2021 Kearns Evan Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Apr 26, 2021 Apr 28, 2021 Green John L. CFO Sell 22.5 -17,813 -82.26% ✗ $157.8K