SCHEDULE 13G/A

FRACTYL HEALTH INC

Common Stock, par value $0.00001 per share · CUSIP: 35168W103

Event date: 2025-12-31

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

• Mithril LP

  Shares: 5,160,301 · Class: 3.8%

• Mithril GP LP

  Shares: 5,160,301 · Class: 3.8%

• Mithril II LP

  Shares: 1,251,900 · Class: 0.9%

• Mithril II GP LP

  Shares: 1,251,900 · Class: 0.9%

• Mithril II UGP LLC

  Shares: 1,251,900 · Class: 0.9%

• Ajay Royan

  Shares: 6,460,102 · Class: 4.7%

• Peter Thiel

  Shares: 6,412,201 · Class: 4.7%

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