Changes in Beneficial Ownership · 4

CAMP4 Therapeutics Corporation

CAMPNASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Aug 31, 2026Accepted Aug 31, 2026, 5:05 PM EDTFiling CIK 1736730Accession 0001598549-26-000011

form4-08312026_090809.xml

Name: Schwab Andrew J.
Reporting owner CIK: 0001598549
Relationship: Director
Address: C/O 5AM VENTURE MANAGEMENT, LLC, 4 EMBARCADERO CENTER, SUITE 3110, SAN FRANCISCO, CA, 94111

Non-derivative transactions · 1 reported row
Security	Transaction date	Code	Amount	A / D	Price (USD)	Owned after	Ownership	Nature of ownership
Common Stock	2026-08-27	S · Form 4	400,000	D	4.04	2,033,270	I	By 5AM Ventures VI, L.P.^[F1]

Table key

Non-derivative holdings · 2 reported rows
Security	Amount owned	Ownership	Nature of ownership
Common Stock	2,941,176	I	By 5AM Ventures VII, L.P.^[F2]
Common Stock	302,770	I	By 5AM Opportunities II, L.P.^[F3]

Table key

F1: The shares are directly held by 5AM Ventures VI, L.P. ("Ventures VI"). 5AM Partners VI, LLC ("Partners VI") is the sole general partner of Ventures VI. The Reporting Person is a managing member of Partners VI and may be deemed to have shared voting and investment power over the shares beneficially owned by Ventures VI. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.↩ 1
F2: The shares are directly held by 5AM Ventures VII, L.P. ("Ventures VII"). 5AM Partners VII, LLC ("Partners VII") is the sole general partner of Ventures VII. The Reporting Person is a managing member of Partners VII and may be deemed to have shared voting and investment power over the shares beneficially owned by Ventures VII. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.↩ 1
F3: The shares are directly held by 5AM Opportunities II, L.P. ("Opportunities II"). 5AM Opportunities II (GP), LLC ("Opportunities II GP") is the sole general partner of Opportunities II. The Reporting Person is a managing member of Opportunities II GP and may be deemed to have shared voting and investment power over the shares beneficially owned by Opportunities II GP. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.↩ 1