SCHEDULE 13G/A

KEZAR LIFE SCIENCES INC

Common Stock, par value $0.001 per share · CUSIP: 49372L209

Event date: 2025-09-30

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

• Avidity Partners Management LP

  Shares: 0.00 · Class: 0.0%

• Avidity Partners Management (GP) LLC

  Shares: 0.00 · Class: 0.0%

• Avidity Capital Partners Fund (GP) LP

  Shares: 0.00 · Class: 0.0%

• Avidity Capital Partners (GP) LLC

  Shares: 0.00 · Class: 0.0%

• Avidity Master Fund LP

  Shares: 0.00 · Class: 0.0%

• Michael Gregory

  Shares: 0.00 · Class: 0.0%

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