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

Reporting Managers (6)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title
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)