SCHEDULE 13D/A

Oruka Therapeutics Inc

Common Stock, $0.001 par value · CUSIP: 687604108

Event date: 2025-09-17

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: 11,162,741.00 · Class: 19.99%

• Fairmount Healthcare Fund II L.P.Reported CIK 0001769651

  Shares: 8,589,433.00 · Class: 15.38%

• Fairmount Healthcare Co-Invest III L.P.Reported CIK 0002009690

  Shares: 2,573,308.00 · Class: 5.32%

• Peter Evan HarwinReported CIK 0001663607

  Shares: 11,162,741.00 · Class: 19.99%

• Tomas KiselakReported CIK 0001830177

  Shares: 11,162,741.00 · Class: 19.99%

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