SCHEDULE 13G

Fulcrum Therapeutics Inc

Common stock, par value $0.001 per share · CUSIP: 359616109

Event date: 2024-09-30

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

• Nantahala Capital Management, LLC

  Shares: 4,777,912.00 · Class: 7.6568%

• Wilmot B. Harkey

  Shares: 4,777,912.00 · Class: 7.6568%

• Daniel Mack

  Shares: 4,777,912.00 · Class: 7.6568%

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