Fairmount Funds Management LLC 13D and 13G filings for Cogent Biosciences, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-03-31 9:30 pm Sale | 2026-03-31 | 13D | COGENT BIOSCIENCES INC COGT | Fairmount Funds Management LLC | 15,356,918 8.600% | -905,000![]() (-5.57%) | Filing |
| 2026-01-22 8:02 pm Purchase | 2026-01-22 | 13D | COGENT BIOSCIENCES INC COGT | Fairmount Funds Management LLC | 16,261,918 9.900% | 384,500![]() (+2.42%) | Filing |
| 2025-11-17 4:36 pm Purchase | 2025-11-13 | 13D | COGENT BIOSCIENCES INC COGT | Fairmount Funds Management LLC | 15,877,418 9.900% | 1,552,500![]() (+10.84%) | Filing |
| 2025-07-14 4:31 pm Purchase | 2025-07-10 | 13D | COGENT BIOSCIENCES INC COGT | Fairmount Funds Management LLC | 14,324,918 9.900% | 2,994,777![]() (+26.43%) | Filing |
| 2024-06-13 06:06 am Purchase | 2024-06-11 | 13D | COGENT BIOSCIENCES INC COGT | Fairmount Funds Management LLC | 11,330,141 9.900% | 1,343,585![]() (+13.45%) | Filing |
| 2024-04-01 6:30 pm Sale | 2024-03-28 | 13D | COGENT BIOSCIENCES INC COGT | Fairmount Funds Management LLC | 9,986,556 9.900% | -31,519![]() (-0.31%) | Filing |
| 2024-03-27 4:37 pm Sale | 2024-03-25 | 13D | COGENT BIOSCIENCES INC COGT | Fairmount Funds Management LLC | 10,018,075 9.900% | -13,061,066![]() (-56.59%) | Filing |
| 2024-02-16 6:55 pm Purchase | 2024-02-16 | 13D | COGENT BIOSCIENCES INC COGT | Fairmount Funds Management LLC | 23,079,141 18.890% | 3,116,577![]() (+15.61%) | Filing |
| 2023-06-13 4:06 pm Purchase | 2023-06-09 | 13D | COGENT BIOSCIENCES INC COGT | Fairmount Funds Management LLC | 19,962,564 19.990% | 4,732,091![]() (+31.07%) | Filing |
| 2022-06-21 10:04 am Purchase | 2022-06-16 | 13D | COGENT BIOSCIENCES INC COGT | Fairmount Funds Management LLC | 15,230,473 19.990% | 7,748,013![]() (+103.55%) | Filing |

