Cogent Biosciences, Inc. (COGT) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending January 10, 2026, the three most significant insider holders at Cogent Biosciences are Director Funds Management Llc Fairmount (9.00Mn shares), President And Ceo Andrew R Robbins (657.50K shares), Chief Commercial Officer Cole Pinnow (216.65K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Funds Management Llc Fairmount 9,003,418 14 Jul, 2025
Andrew R Robbins President And Ceo 657,503 19 Dec, 2025
Cole Pinnow Chief Commercial Officer 216,650 19 Dec, 2025
John Edward Robinson Chief Scientific Officer 140,002 30 Dec, 2025
Jessica Sachs Chief Medical Officer 133,938 30 Dec, 2025
John L. Green Chief Financial Officer 131,834 30 Dec, 2025
Evan Kearns Chief Legal Officer 109,398 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
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 Jessica Sachs Common Stock D 82,642 $38.70 133,938 D S
26 Dec, 2025 John Edward Robinson Common Stock D 90,000 $38.74 140,002 D S
17 Dec, 2025 Andrew R Robbins Common Stock A 840,000 $0.00 1,025,000 D A
17 Dec, 2025 Andrew R Robbins Common Stock D 367,497 $39.45 657,503 D F
17 Dec, 2025 Andrew R Robbins Common Stock A 185,000 $0.00 185,000 D A
17 Dec, 2025 John L. Green Common Stock A 300,000 $0.00 353,841 D A
17 Dec, 2025 John L. Green Common Stock A 50,000 $0.00 53,841 D A
17 Dec, 2025 John L. Green Common Stock D 145,007 $39.45 208,834 D F
17 Dec, 2025 Evan Kearns Common Stock A 260,000 $0.00 300,000 D A
17 Dec, 2025 Evan Kearns Common Stock D 125,602 $39.45 174,398 D F
17 Dec, 2025 Evan Kearns Common Stock A 40,000 $0.00 40,000 D A
17 Dec, 2025 Jessica Sachs Common Stock A 50,000 $0.00 51,296 D A
17 Dec, 2025 Jessica Sachs Common Stock D 154,716 $39.45 216,580 D F
17 Dec, 2025 Jessica Sachs Common Stock A 320,000 $0.00 371,296 D A
17 Dec, 2025 John Edward Robinson Common Stock A 50,000 $0.00 50,000 D A
17 Dec, 2025 John Edward Robinson Common Stock A 320,000 $0.00 370,000 D A
17 Dec, 2025 John Edward Robinson Common Stock D 139,998 $39.45 230,002 D F
17 Dec, 2025 Cole Pinnow Common Stock A 50,000 $0.00 97,450 D A