Schedule 13D ownership disclosure

COGENT BIOSCIENCES INC

Common Stock, $0.001 par value · CUSIP: 19240Q201

Event date: 2026-03-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares
Unavailable
Percent of class
Unavailable
  • Fairmount Funds Management LLCReported CIK 0001802528

    Shares: 15,356,918.00 · Class: 8.6%

  • Fairmount Healthcare Fund II GP LLCReported CIK 0001830382

    Shares: 15,356,918.00 · Class: 8.6%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0001104659-26-038056
Form type
SCHEDULE 13D/A
Filer
Cogent Biosciences, Inc.
CIK
CIK 1622229
Filed
Mar 31, 2026
Reporting period
Mar 31, 2026
Description
Schedule 13D beneficial ownership

Explore SEC Filings Hub