Cogent Biosciences, Inc. (COGT) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, the three largest insider holders of COGT are Funds Management Llc Fairmount (Director, 5.50Mn shares), Andrew R Robbins (President And Ceo, 657.50K shares), Cole Pinnow (Chief Commercial Officer, 216.65K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Funds Management Llc Fairmount 0 5,503,418 22 Jan, 2026
Andrew R Robbins President And Ceo 657,503 0 19 Dec, 2025
Cole Pinnow Chief Commercial Officer 216,650 0 19 Dec, 2025
John Edward Robinson Chief Scientific Officer 140,002 0 30 Dec, 2025
Jessica Sachs Chief Medical Officer 133,938 0 30 Dec, 2025
John L. Green Chief Financial Officer 131,834 0 30 Dec, 2025
Evan Kearns Chief Legal Officer 109,398 0 30 Dec, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
22 Jan, 2026 Funds Management Llc Fairmount Common Stock D 3,500,000 $36.40 5,503,418 I S
01 Jan, 2026 Karen Jean Ferrante Stock Option (Right to Buy) A 643 $0.00 643 D A
26 Dec, 2025 John L. Green Common Stock D 77,000 $38.68 131,834 D S
26 Dec, 2025 Evan Kearns Common Stock D 65,000 $38.70 109,398 D S
26 Dec, 2025 John Edward Robinson Common Stock D 90,000 $38.74 140,002 D S
26 Dec, 2025 Jessica Sachs Common Stock D 82,642 $38.70 133,938 D S
17 Dec, 2025 John L. Green Common Stock A 50,000 $0.00 53,841 D A
17 Dec, 2025 John Edward Robinson Common Stock A 50,000 $0.00 50,000 D A
17 Dec, 2025 Cole Pinnow Common Stock A 50,000 $0.00 97,450 D A
17 Dec, 2025 Andrew R Robbins Common Stock A 185,000 $0.00 185,000 D A
17 Dec, 2025 Jessica Sachs Common Stock A 50,000 $0.00 51,296 D A
17 Dec, 2025 Evan Kearns Common Stock A 40,000 $0.00 40,000 D A
17 Dec, 2025 Cole Pinnow Common Stock A 214,000 $0.00 311,450 D A
17 Dec, 2025 Evan Kearns Common Stock A 260,000 $0.00 300,000 D A
17 Dec, 2025 John L. Green Common Stock A 300,000 $0.00 353,841 D A
17 Dec, 2025 Andrew R Robbins Common Stock A 840,000 $0.00 1,025,000 D A
17 Dec, 2025 John Edward Robinson Common Stock A 320,000 $0.00 370,000 D A
17 Dec, 2025 Jessica Sachs Common Stock A 320,000 $0.00 371,296 D A
17 Dec, 2025 Jessica Sachs Common Stock D 154,716 $39.45 216,580 D F
17 Dec, 2025 John Edward Robinson Common Stock D 139,998 $39.45 230,002 D F