There have been 50 recent insider transactions recorded for Cogent Biosciences, Inc. (COGT), including 41 buys and 9 sells. Total insider buying was valued at $64.89M and total insider selling at $139.58M.
Notable insiders with recent activity include Ferrante Karen Jean, Fairmount Funds Management Llc, Green John L.. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — COGT
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-01 |
Ferrante Karen Jean |
Director |
RSU Award |
686 |
$35.24 |
$24.17K |
686 |
| 2026-03-31 |
Fairmount Funds Management Llc |
Director |
Conversion (Sell) |
28,000 |
- |
- |
39,414 |
| 2026-01-22 |
Fairmount Funds Management Llc |
Director |
Informative Sell |
3,500,000 |
$36.40 |
$127.4M |
5,503,418 |
| 2026-01-01 |
Ferrante Karen Jean |
Director |
RSU Award |
643 |
$34.74 |
$22.34K |
643 |
| 2025-12-26 |
Green John L. |
Chief Financial Officer |
Informative Sell |
77,000 |
$38.68 |
$2.98M |
131,834 |
| 2025-12-26 |
Kearns Evan |
Chief Legal Officer |
Informative Sell |
65,000 |
$38.70 |
$2.52M |
109,398 |
| 2025-12-26 |
Sachs Jessica |
Chief Medical Officer |
Informative Sell |
82,642 |
$38.70 |
$3.2M |
133,938 |
| 2025-12-26 |
Robinson John Edward |
Chief Scientific Officer |
Informative Sell |
90,000 |
$38.74 |
$3.49M |
140,002 |
| 2025-12-17 |
Robbins Andrew R |
President and CEO |
RSU Award |
185,000 |
- |
- |
185,000 |
| 2025-12-17 |
Green John L. |
Chief Financial Officer |
RSU Award |
50,000 |
- |
- |
53,841 |
| 2025-12-17 |
Kearns Evan |
Chief Legal Officer |
RSU Award |
40,000 |
- |
- |
40,000 |
| 2025-12-17 |
Sachs Jessica |
Chief Medical Officer |
RSU Award |
50,000 |
- |
- |
51,296 |
| 2025-12-17 |
Robinson John Edward |
Chief Scientific Officer |
RSU Award |
50,000 |
- |
- |
50,000 |
| 2025-12-17 |
Pinnow Cole |
Chief Commercial Officer |
RSU Award |
65,000 |
$39.45 |
$2.56M |
65,000 |
| 2025-10-01 |
Ferrante Karen Jean |
Director |
RSU Award |
1,642 |
$14.13 |
$23.2K |
1,642 |
| 2025-07-10 |
Fairmount Funds Management Llc |
Director |
Informative Buy |
2,777,777 |
$9.00 |
$25M |
9,003,418 |
| 2025-07-01 |
Ferrante Karen Jean |
Director |
RSU Award |
3,314 |
$7.22 |
$23.93K |
3,314 |
| 2025-06-04 |
Morris Arlene |
Director |
RSU Award |
44,700 |
$5.64 |
$252.11K |
44,700 |
| 2025-06-04 |
Ferrante Karen Jean |
Director |
RSU Award |
44,700 |
$5.64 |
$252.11K |
44,700 |
| 2025-06-04 |
Harwin Peter Evan |
Director |
RSU Award |
44,700 |
$5.64 |
$252.11K |
44,700 |
| 2025-06-04 |
Ros Matthew |
Director |
RSU Award |
44,700 |
$5.64 |
$252.11K |
44,700 |
| 2025-06-04 |
Shegog Todd |
Director |
RSU Award |
44,700 |
$5.64 |
$252.11K |
44,700 |
| 2025-06-04 |
Cain Christopher W. |
Director |
RSU Award |
44,700 |
$5.64 |
$252.11K |
44,700 |
| 2025-04-01 |
Ferrante Karen Jean |
Director |
RSU Award |
3,788 |
$5.79 |
$21.93K |
3,788 |
| 2025-01-23 |
Robbins Andrew R |
President and CEO |
RSU Award |
915,000 |
$8.89 |
$8.13M |
915,000 |
| 2025-01-23 |
Green John L. |
Chief Financial Officer |
RSU Award |
270,000 |
$8.89 |
$2.4M |
270,000 |
| 2025-01-23 |
Kearns Evan |
Chief Legal Officer |
RSU Award |
230,000 |
$8.89 |
$2.04M |
230,000 |
| 2025-01-23 |
Sachs Jessica |
Chief Medical Officer |
RSU Award |
270,000 |
$8.89 |
$2.4M |
270,000 |
| 2025-01-23 |
Robinson John Edward |
Chief Scientific Officer |
RSU Award |
270,000 |
$8.89 |
$2.4M |
270,000 |
| 2025-01-23 |
Pinnow Cole |
Chief Commercial Officer |
RSU Award |
240,000 |
$8.89 |
$2.13M |
240,000 |
| 2025-01-14 |
Pinnow Cole |
Chief Commercial Officer |
Informative Buy |
43,750 |
$7.60 |
$332.41K |
45,848 |
| 2025-01-01 |
Ferrante Karen Jean |
Director |
RSU Award |
2,785 |
$7.80 |
$21.72K |
2,785 |
| 2024-10-01 |
Ferrante Karen Jean |
Director |
RSU Award |
2,034 |
$10.75 |
$21.87K |
2,034 |
| 2024-07-01 |
Ferrante Karen Jean |
Director |
RSU Award |
2,462 |
$8.94 |
$22.01K |
2,462 |
| 2024-06-10 |
Fairmount Funds Management Llc |
Director |
Option Exercise (Sell) |
1,500 |
- |
- |
- |
| 2024-06-05 |
Morris Arlene |
Director |
RSU Award |
44,700 |
$8.92 |
$398.72K |
44,700 |
| 2024-06-05 |
Ferrante Karen Jean |
Director |
RSU Award |
44,700 |
$8.92 |
$398.72K |
44,700 |
| 2024-06-05 |
Harwin Peter Evan |
Director |
RSU Award |
44,700 |
$8.92 |
$398.72K |
44,700 |
| 2024-06-05 |
Ros Matthew |
Director |
RSU Award |
44,700 |
$8.92 |
$398.72K |
44,700 |
| 2024-06-05 |
Shegog Todd |
Director |
RSU Award |
44,700 |
$8.92 |
$398.72K |
44,700 |
| 2024-06-05 |
Cain Christopher W. |
Director |
RSU Award |
44,700 |
$8.92 |
$398.72K |
44,700 |
| 2024-05-25 |
Pinnow Cole |
Chief Commercial Officer |
Disposition |
- |
- |
- |
700 |
| 2024-05-25 |
Pinnow Cole |
Chief Commercial Officer |
RSU Award |
525,000 |
$8.22 |
$4.32M |
525,000 |
| 2024-04-01 |
Ferrante Karen Jean |
Director |
RSU Award |
3,213 |
$6.90 |
$22.17K |
3,213 |
| 2024-03-28 |
Fairmount Funds Management Llc |
Director |
Other (Sell) |
11,914 |
- |
- |
- |
| 2024-02-16 |
Fairmount Funds Management Llc |
10 Percent Owner |
RSU Award |
1,500 |
- |
- |
1,500 |
| 2024-01-23 |
Robbins Andrew R |
President and CEO |
RSU Award |
1,100,000 |
$4.63 |
$5.09M |
1,100,000 |
| 2024-01-23 |
Green John L. |
Chief Financial Officer |
RSU Award |
300,000 |
$4.63 |
$1.39M |
300,000 |
| 2024-01-23 |
Kearns Evan |
Chief Legal Officer |
RSU Award |
255,000 |
$4.63 |
$1.18M |
255,000 |
| 2024-01-23 |
Sachs Jessica |
Chief Medical Officer |
RSU Award |
300,000 |
$4.63 |
$1.39M |
300,000 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry