SCHEDULE 13G/A

Kyverna Therapeutics, Inc.

Common Stock, par value $0.00001 per share · CUSIP: 501976104

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

• Westlake BioPartners Fund I, L.P. ("Westlake Fund I")

  Shares: 3,787,940.00 · Class: 6.3%

• Westlake BioPartners GP I, LLC ("Westlake GP I")

  Shares: 3,787,940.00 · Class: 6.3%

• Westlake BioPartners Opportunity Fund I, L.P. ("Westlake Opportunity Fund I")

  Shares: 869,317.00 · Class: 1.5%

• Westlake BioPartners Opportunity GP I, LLC ("Westlake Opportunity GP I")

  Shares: 869,317.00 · Class: 1.5%

• Dr. Beth C. Seidenberg ("Seidenberg")

  Shares: 4,657,257.00 · Class: 7.8%

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