Cogent Biosciences, Inc. (COGT) Insider Ownership

Historic Ownership Trends

There are no significant Insider Shareholders in Cogent Biosciences as of December 12, 2025.

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
Cole Pinnow Chief Commercial Officer 45,848 14 Jan, 2025
John L. Green Chief Financial Officer 3,841 28 Apr, 2021
Jessica Sachs Chief Medical Officer 622 01 Jul, 2022

* 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
10 Jul, 2025 Funds Management Llc Fairmount Common Stock A 2,777,777 $9.00 9,003,418 I P
14 Jan, 2025 Cole Pinnow Common Stock A 43,750 $7.60 45,848 D P
14 Jan, 2025 Cole Pinnow - - 45,848 D
10 Jun, 2024 Funds Management Llc Fairmount Common Stock A 1,500,000 - 6,225,641 I M
10 Jun, 2024 Funds Management Llc Fairmount - - 6,225,641 I
28 Mar, 2024 Funds Management Llc Fairmount Common Stock D 286,851 - 0 I J
28 Mar, 2024 Funds Management Llc Fairmount Common Stock A 286,851 - 4,725,641 I J
16 Feb, 2024 Funds Management Llc Fairmount Common Stock A 1,166,666 $7.50 4,438,790 I A
09 Jun, 2023 Funds Management Llc Fairmount Common Stock A 800,000 $12.00 286,851 I P
30 Jun, 2022 Jessica Sachs Common Stock A 622 $7.40 622 D A
30 Jun, 2022 Jessica Sachs - - 622 D
16 Jun, 2022 Funds Management Llc Fairmount Common Stock A 1,200,000 $8.25 286,851 I P
31 Dec, 2021 Jessica Sachs Common Stock A 674 $6.82 674 D A
26 Apr, 2021 John L. Green Common Stock D 17,813 $8.86 3,841 D S
26 Apr, 2021 John L. Green - - 3,841 D
25 Feb, 2021 John L. Green Common Stock A 524 $0.00 21,654 D A
01 Dec, 2020 John L. Green Common Stock A 1,748 $0.00 1,748 D A
14 Aug, 2020 Healthcare Capital Partners Iii, L.P. Venrock - - 1,001,068 I
14 Aug, 2020 Healthcare Capital Partners Iii, L.P. Venrock Common Stock A 100,000 $2.30 1,001,068 I P
17 Aug, 2020 Healthcare Capital Partners Iii, L.P. Venrock Common Stock A 250,000 $2.57 1,063,568 I P