SCHEDULE 13G/A

BOLT BIOTHERAPEUTICS INC

Common Stock, par value $0.00001 per share · CUSIP: 097702203

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

• Vivo Capital Fund VIII, L.P.

  Shares: 0.00 · Class: 0%

• Vivo Capital Surplus Fund VIII, L.P.

  Shares: 0.00 · Class: 0%

• Vivo Capital VIII, LLC

  Shares: 0.00 · Class: 0%

• Vivo Panda Fund, L.P.

  Shares: 72,414.00 · Class: 3.8%

• Vivo Panda, LLC

  Shares: 72,414.00 · Class: 3.8%

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