In the last 12 months, insiders at Cogent Biosciences, Inc. ($COGT) filed 77 transactions with the SEC: 2 open-market purchases totaling $25,332,406 and 6 sales totaling $382,198,705. Net insider sentiment: net selling.
Cogent Biosciences, Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).
Most Active Insiders
- Fairmount Funds Management LLC (Director) — 5 transactions totaling $395,019,993
- Robbins Andrew R (President and CEO) — 6 transactions totaling $14,497,757
- Sachs Jessica (Chief Medical Officer) — 7 transactions totaling $9,301,792
- Robinson John Edward (Chief Scientific Officer) — 7 transactions totaling $9,009,521
- Fairmount Funds Management LLC (Not found) — 8 transactions totaling $8,757,495
View all SEC Filings for Cogent Biosciences, Inc. (COGT).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 686 | $0.00 | 686.0000 | 162,308,820 | 9999.99% | 0.00% |
| March 31, 2026 | Fairmount Funds Management LLC | Director | C | Series A Convertible Preferred Stock | 28000 | $0.00 | 39,414.0000 | 162,308,820 | 41.53% | 0.02% |
| March 31, 2026 | Fairmount Funds Management LLC | Director | C | Common Stock | 7000000 | $0.00 | 12,503,418.0000 | 162,308,820 | 127.19% | 4.31% |
| March 31, 2026 | Fairmount Funds Management LLC | Director | S | Common Stock | 7000000 | $34.66 | 5,503,418.0000 | 162,308,820 | 55.98% | 4.31% |
| Jan. 22, 2026 | Fairmount Funds Management LLC | Director | S | Common Stock | 3500000 | $36.40 | 5,503,418.0000 | 142,376,529 | 38.87% | 2.46% |
| Jan. 1, 2026 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 643 | $0.00 | 643.0000 | 142,376,529 | 9999.99% | 0.00% |
| Dec. 26, 2025 | Robinson John Edward | Chief Scientific Officer | S | Common Stock | 90000 | $38.74 | 140,002.0000 | 142,376,529 | 39.13% | 0.06% |
| Dec. 26, 2025 | Kearns Evan | Chief Legal Officer | S | Common Stock | 65000 | $38.70 | 109,398.0000 | 142,376,529 | 37.27% | 0.05% |
| Dec. 26, 2025 | Green John L. | Chief Financial Officer | S | Common Stock | 77000 | $38.68 | 131,834.0000 | 142,376,529 | 36.87% | 0.05% |
| Dec. 26, 2025 | Sachs Jessica | Chief Medical Officer | S | Common Stock | 82642 | $38.70 | 133,938.0000 | 142,376,529 | 38.16% | 0.06% |
| Dec. 17, 2025 | Pinnow Cole | Chief Commercial Officer | A | Common Stock | 50000 | $0.00 | 97,450.0000 | 142,376,529 | 105.37% | 0.04% |
| Dec. 17, 2025 | Sachs Jessica | Chief Medical Officer | F | Common Stock | 154716 | $39.45 | 216,580.0000 | 142,376,529 | 41.67% | 0.11% |
| Dec. 17, 2025 | Sachs Jessica | Chief Medical Officer | A | Common Stock | 320000 | $0.00 | 371,296.0000 | 142,376,529 | 623.83% | 0.22% |
| Dec. 17, 2025 | Sachs Jessica | Chief Medical Officer | A | Common Stock | 50000 | $0.00 | 51,296.0000 | 142,376,529 | 3858.03% | 0.04% |
| Dec. 17, 2025 | Kearns Evan | Chief Legal Officer | A | Stock Option (Right to Buy) | 55000 | $0.00 | 55,000.0000 | 142,376,529 | 9999.99% | 0.04% |
| Dec. 17, 2025 | Kearns Evan | Chief Legal Officer | F | Common Stock | 125602 | $39.45 | 174,398.0000 | 142,376,529 | 41.87% | 0.09% |
| Dec. 17, 2025 | Kearns Evan | Chief Legal Officer | A | Common Stock | 260000 | $0.00 | 300,000.0000 | 142,376,529 | 650.00% | 0.18% |
| Dec. 17, 2025 | Kearns Evan | Chief Legal Officer | A | Common Stock | 40000 | $0.00 | 40,000.0000 | 142,376,529 | 9999.99% | 0.03% |
| Dec. 17, 2025 | Pinnow Cole | Chief Commercial Officer | A | Stock Option (Right to Buy) | 65000 | $0.00 | 65,000.0000 | 142,376,529 | 9999.99% | 0.05% |
| Dec. 17, 2025 | Pinnow Cole | Chief Commercial Officer | F | Common Stock | 94800 | $39.45 | 216,650.0000 | 142,376,529 | 30.44% | 0.07% |
| Dec. 17, 2025 | Robinson John Edward | Chief Scientific Officer | A | Common Stock | 50000 | $0.00 | 50,000.0000 | 142,376,529 | 9999.99% | 0.04% |
| Dec. 17, 2025 | Robinson John Edward | Chief Scientific Officer | A | Common Stock | 320000 | $0.00 | 370,000.0000 | 142,376,529 | 640.00% | 0.22% |
| Dec. 17, 2025 | Robinson John Edward | Chief Scientific Officer | F | Common Stock | 139998 | $39.45 | 230,002.0000 | 142,376,529 | 37.84% | 0.10% |
| Dec. 17, 2025 | Robinson John Edward | Chief Scientific Officer | A | Stock Option (Right to Buy) | 65000 | $0.00 | 65,000.0000 | 142,376,529 | 9999.99% | 0.05% |
| Dec. 17, 2025 | Robbins Andrew R | President and CEO | A | Common Stock | 185000 | $0.00 | 185,000.0000 | 142,376,529 | 9999.99% | 0.13% |
| Dec. 17, 2025 | Robbins Andrew R | President and CEO | A | Common Stock | 840000 | $0.00 | 1,025,000.0000 | 142,376,529 | 454.05% | 0.59% |
| Dec. 17, 2025 | Robbins Andrew R | President and CEO | F | Common Stock | 367497 | $39.45 | 657,503.0000 | 142,376,529 | 35.85% | 0.26% |
| Dec. 17, 2025 | Robbins Andrew R | President and CEO | A | Stock Option (Right to Buy) | 245000 | $0.00 | 245,000.0000 | 142,376,529 | 9999.99% | 0.17% |
| Dec. 17, 2025 | Pinnow Cole | Chief Commercial Officer | A | Common Stock | 214000 | $0.00 | 311,450.0000 | 142,376,529 | 219.60% | 0.15% |
| Dec. 17, 2025 | Green John L. | Chief Financial Officer | A | Stock Option (Right to Buy) | 65000 | $0.00 | 65,000.0000 | 142,376,529 | 9999.99% | 0.05% |
| Dec. 17, 2025 | Green John L. | Chief Financial Officer | F | Common Stock | 145007 | $39.45 | 208,834.0000 | 142,376,529 | 40.98% | 0.10% |
| Dec. 17, 2025 | Green John L. | Chief Financial Officer | A | Common Stock | 300000 | $0.00 | 353,841.0000 | 142,376,529 | 557.20% | 0.21% |
| Dec. 17, 2025 | Green John L. | Chief Financial Officer | A | Common Stock | 50000 | $0.00 | 53,841.0000 | 142,376,529 | 1301.74% | 0.04% |
| Dec. 17, 2025 | Sachs Jessica | Chief Medical Officer | A | Stock Option (Right to Buy) | 65000 | $0.00 | 65,000.0000 | 142,376,529 | 9999.99% | 0.05% |
| Oct. 1, 2025 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 1642 | $0.00 | 1,642.0000 | 113,850,090 | 9999.99% | 0.00% |
| July 10, 2025 | Fairmount Funds Management LLC | Director | P | Common Stock | 2777777 | $9.00 | 9,003,418.0000 | 113,850,090 | 44.62% | 2.44% |
| July 1, 2025 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 3314 | $0.00 | 3,314.0000 | 113,850,090 | 9999.99% | 0.00% |
| June 4, 2025 | Morris Arlene | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 113,850,090 | 9999.99% | 0.04% |
| June 4, 2025 | Harwin Peter Evan | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 113,850,090 | 9999.99% | 0.04% |
| June 4, 2025 | Shegog Todd | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 113,850,090 | 9999.99% | 0.04% |
| June 4, 2025 | Ros Matthew | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 113,850,090 | 9999.99% | 0.04% |
| June 4, 2025 | CAIN CHRISTOPHER W. | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 113,850,090 | 9999.99% | 0.04% |
| June 4, 2025 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 113,850,090 | 9999.99% | 0.04% |
| April 1, 2025 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 3788 | $0.00 | 3,788.0000 | 113,850,090 | 9999.99% | 0.00% |
| Jan. 23, 2025 | Sachs Jessica | Chief Medical Officer | A | Stock Option (Right to Buy) | 270000 | $0.00 | 270,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 23, 2025 | Robinson John Edward | Chief Scientific Officer | A | Stock Option (Right to Buy) | 270000 | $0.00 | 270,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 23, 2025 | Robbins Andrew R | President and CEO | A | Stock Option (Right to Buy) | 915000 | $0.00 | 915,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 23, 2025 | Pinnow Cole | Chief Commercial Officer | A | Stock Option (Right to Buy) | 240000 | $0.00 | 240,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 23, 2025 | Kearns Evan | Chief Legal Officer | A | Stock Option (Right to Buy) | 230000 | $0.00 | 230,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 23, 2025 | Green John L. | Chief Financial Officer | A | Stock Option (Right to Buy) | 270000 | $0.00 | 270,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 14, 2025 | Pinnow Cole | Chief Commercial Officer | P | Common Stock | 43750 | $7.60 | 45,848.0000 | 0 | 2085.32% | 0.00% |
| Jan. 1, 2025 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 2785 | $0.00 | 2,785.0000 | 0 | 9999.99% | 0.00% |
| Oct. 1, 2024 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 2034 | $0.00 | 2,034.0000 | 0 | 9999.99% | 0.00% |
| July 1, 2024 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 2462 | $0.00 | 2,462.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | CAIN CHRISTOPHER W. | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Harwin Peter Evan | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Shegog Todd | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Morris Arlene | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Ros Matthew | Not found | A | Stock Option (Right to Buy) | 44700 | $0.00 | 44,700.0000 | 0 | 9999.99% | 0.00% |
| June 10, 2024 | Fairmount Funds Management LLC | Not found | M | Common Stock | 1500000 | $0.00 | 6,225,641.0000 | 0 | 31.74% | 0.00% |
| June 10, 2024 | Fairmount Funds Management LLC | Not found | M | Series B Convertible Preferred Stock | 1500 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| May 25, 2024 | Pinnow Cole | Chief Commercial Officer | A | Stock Option (Right to Buy) | 525000 | $0.00 | 525,000.0000 | 0 | 9999.99% | 0.00% |
| April 1, 2024 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 3213 | $0.00 | 3,213.0000 | 0 | 9999.99% | 0.00% |
| March 28, 2024 | Fairmount Funds Management LLC | Not found | J | Common Stock | 286851 | $0.00 | 4,725,641.0000 | 0 | 5.72% | 0.00% |
| March 28, 2024 | Fairmount Funds Management LLC | Not found | J | Series A Convertible Preferred Stock | 11914 | $0.00 | 67,414.0000 | 0 | 21.47% | 0.00% |
| March 28, 2024 | Fairmount Funds Management LLC | Not found | J | Series A Convertible Preferred Stock | 11914 | $0.00 | 67,414.0000 | 0 | 15.02% | 0.00% |
| March 28, 2024 | Fairmount Funds Management LLC | Not found | J | Common Stock | 286851 | $0.00 | 4,725,641.0000 | 0 | 6.46% | 0.00% |
| Feb. 16, 2024 | Fairmount Funds Management LLC | Not found | A | Common Stock | 1166666 | $7.50 | 4,725,641.0000 | 0 | 32.78% | 0.00% |
| Feb. 16, 2024 | Fairmount Funds Management LLC | Not found | A | Series B Convertible Preferred Stock | 1500 | $7500.00 | 1,500.0000 | 0 | 9999.99% | 0.00% |
| Jan. 23, 2024 | Kearns Evan | Chief Legal Officer | A | Stock Option (Right to Buy) | 255000 | $0.00 | 255,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 23, 2024 | Sachs Jessica | Chief Medical Officer | A | Stock Option (Right to Buy) | 300000 | $0.00 | 300,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 23, 2024 | Robbins Andrew R | President and CEO | A | Stock Option (Right to Buy) | 1100000 | $0.00 | 1,100,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 23, 2024 | Robinson John Edward | Chief Scientific Officer | A | Stock Option (Right to Buy) | 300000 | $0.00 | 300,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 23, 2024 | Green John L. | Chief Financial Officer | A | Stock Option (Right to Buy) | 300000 | $0.00 | 300,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 2, 2024 | Ferrante Karen Jean | Not found | A | Stock Option (Right to Buy) | 3298 | $0.00 | 3,298.0000 | 0 | 9999.99% | 0.00% |
| Jan. 2, 2024 | Ros Matthew | Not found | A | Stock Option (Right to Buy) | 3051 | $0.00 | 3,051.0000 | 0 | 9999.99% | 0.00% |