SCHEDULE 13D/A

TEMPEST THERAPEUTICS INC

Common Stock, par value $0.001 per share · CUSIP: 87978U108

Event date: 2025-08-11

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

• Versant Venture Capital VI, L.P.Reported CIK 0001687880

  Shares: 16,149 · Class: 0.4%

• Versant Ventures VI GP, L.P.Reported CIK 0001777654

  Shares: 16,149 · Class: 0.4%

• Versant Ventures VI GP-GP, LLCReported CIK 0001777652

  Shares: 16,149 · Class: 0.4%

• Versant Vantage II, L.P.Reported CIK 0001832235

  Shares: 162,972 · Class: 3.7%

• Versant Vantage II GP, L.P.Reported CIK 0001839790

  Shares: 162,972 · Class: 3.7%

• Versant Vantage II GP-GP, LLCReported CIK 0001839789

  Shares: 162,972 · Class: 3.7%

• Versant Venture Capital IV, L.P.Reported CIK 0001456590

  Shares: 90,084 · Class: 2.0%

• Versant Side Fund IV, L.P.Reported CIK 0001456591

  Shares: 567 · Class: 0.0%

• Versant Ventures IV, LLC

  Shares: 90,651 · Class: 2.0%

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