AH Bio Fund I, L.P. - 30 Sep 2025 SCHEDULE 13G/A Report for CAMP4 THERAPEUTICS CORPORATION Common Stock, par value $0.0001 per share (CAMP)

Filing Manager
AH Bio Fund I, L.P.
Reporting Manager
Marc L. Andreessen
Security
CAMP4 THERAPEUTICS CORPORATION Common Stock, par value $0.0001 per share
Symbol
CAMP
Shares outstanding
47,229,756 shares
Disclosed Ownership
2,125,339 shares
Ownership
4.5%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 18:23:32 UTC
Date of event
30 Sep 2025
SEC
View on sec.gov

Quoteable Key Fact

"AH Bio Fund I, L.P. disclosed 4.5% ownership in CAMP4 THERAPEUTICS CORPORATION Common Stock, par value $0.0001 per share (CAMP) on 30 Sep 2025."

Quick Takeaways

  • AH Bio Fund I, L.P. filed SCHEDULE 13G/A for CAMP4 THERAPEUTICS CORPORATION Common Stock, par value $0.0001 per share (CAMP).
  • Disclosed ownership: 4.5%.
  • Date of event: 30 Sep 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 14 Nov 2025, 18:23.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
AH Bio Fund I, L.P. 3.4% 1,579,885 1,579,885 0 /s/ Phil Hathaway By AH Equity Partners Bio I, L.L.C., Its General Partner, By Phil Hathaway, Chief Operating Officer (See Note 1)
AH Equity Partners Bio I, L.L.C. 3.4% 1,579,885 1,579,885 0 /s/ Phil Hathaway By Phil Hathaway, Chief Operating Officer
AH Bio Fund IV, L.P. 1.2% 545,454 545,454 0 /s/ Phil Hathaway By AH Equity Partners Bio IV, L.L.C., Its General Partner, By Phil Hathaway, Chief Operating Officer (See Note 2)
AH Equity Partners Bio IV, L.L.C. 1.2% 545,454 545,454 0 /s/ Phil Hathaway By Phil Hathaway, Chief Operating Officer
Marc L. Andreessen 4.5% 2,125,339 0 2,125,339 /s/ Phil Hathaway Phil Hathaway, Attorney-in-Fact for Marc L. Andreessen (See Note 3)
Benjamin A. Horowitz 4.5% 2,125,339 0 2,125,339 /s/ Phil Hathaway Phil Hathaway, Attorney-in-Fact for Benjamin A. Horowitz (See Note 3)