SCHEDULE 13G/A

CAMP4 Therapeutics Corp.

Common Stock, par value $0.0001 per share · CUSIP: 13463J101

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

• AH Bio Fund I, L.P.

  Shares: 1,579,885.00 · Class: 3.4%

• AH Equity Partners Bio I, L.L.C.

  Shares: 1,579,885.00 · Class: 3.4%

• AH Bio Fund IV, L.P.

  Shares: 545,454.00 · Class: 1.2%

• AH Equity Partners Bio IV, L.L.C.

  Shares: 545,454.00 · Class: 1.2%

• Marc L. Andreessen

  Shares: 2,125,339.00 · Class: 4.5%

• Benjamin A. Horowitz

  Shares: 2,125,339.00 · Class: 4.5%

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