Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * 5AM Partners VI, LLC 2. Issuer Name and Ticker or Trading Symbol Camp4 Therapeutics Corp [CAMP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 4 EMBARCADERO CENTER, SUITE 3110, 3. Date of Earliest Transaction (Month/Day/Year) 09/11/2025 (Street) SAN FRANCISCO, CA 94111 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/11/2025 P 2,941,176 A $1.53 2,941,176 I By 5AM Ventures VII, L.P.(1) Common Stock 2,625,145 I By 5AM Ventures VI, L.P.(2) Common Stock 302,770 I By 5AM Opportunities II, L.P.(3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
5AM Partners VI, LLC 4 EMBARCADERO CENTER, SUITE 3110 SAN FRANCISCO, CA 94111		X
5AM Ventures VI, L.P. 4 EMBARCADERO CENTER, SUITE 3110 SAN FRANCISCO, CA 94111		X
5AM Opportunities II (GP), LLC 4 EMBARCADERO CENTER, SUITE 3110 SAN FRANCISCO, CA 94111		X
5AM Opportunities II, L.P. 4 EMBARCADERO CENTER, SUITE 3110 SAN FRANCISCO, CA 94111		X
5AM Partners VII, LLC C/O 5AM VENTURE MANAGEMENT, LLC 4 EMBARCADERO CENTER, SUITE 3110 SAN FRANCISCO, CA 94111		X
5AM Ventures VII, L.P. C/O 5AM VENTURE MANAGEMENT, LLC 4 EMBARCADERO CENTER, SUITE 3110 SAN FRANCISCO, CA 94111		X
PARMAR KUSH C/O 5AM VENTURE MANAGEMENT, LLC 4 EMBARCADERO CENTER, SUITE 3110 SAN FRANCISCO, CA 94111		X

Signatures

5AM Partners VI, LLC, By /s/ Kush Parmar, Managing Member		09/15/2025
**Signature of Reporting Person		Date
5AM Ventures VI, L.P., By: 5AM Partners VI, LLC, its General Partner, By /s/ Kush Parmar, Managing Member		09/15/2025
**Signature of Reporting Person		Date
5AM Opportunities II (GP), LLC, By /s/ Kush Parmar, Managing Member		09/15/2025
**Signature of Reporting Person		Date
5AM Opportunities II, L.P., By: 5AM Opportunities II (GP), LLC, its General Partner, By /s/ Kush Parmar, Managing Member		09/15/2025
**Signature of Reporting Person		Date
5AM Partners VII, LLC, By /s/ Kush Parmar, Managing Member		09/15/2025
**Signature of Reporting Person		Date
5AM Ventures VII, L.P. By: 5AM Partners VII, LLC, its General Partner, By /s/ Kush Parmar, Managing Member		09/15/2025
**Signature of Reporting Person		Date
/s/ Kush Parmar		09/15/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	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. Dr. Kush Parmar and Andrew J. Schwab are the managing members of Partners VII and may be deemed to have shared voting and investment power over the shares beneficially owned by Ventures VII. Each of Partners VII and Dr. Parmar disclaims beneficial ownership of such shares except to the extent of its or his respective pecuniary interest therein. Mr. Schwab is a director of the Issuer and files separate Section 16 reports.
(2)	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. Dr. Kush Parmar and Andrew J. Schwab are the managing members of Partners VI and may be deemed to have shared voting and investment power over the shares beneficially owned by Ventures VI. Each of Partners VI and Dr. Parmar disclaims beneficial ownership of such shares except to the extent of its or his respective pecuniary interest therein. Mr. Schwab is a director of the Issuer and files separate Section 16 reports.
(3)	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. Andrew J. Schwab and Dr. Kush Parmar are the managing members of Opportunities II GP and may be deemed to have shared voting and investment power over the shares beneficially owned by Opportunities II. Each of Opportunities II GP and Dr. Parmar disclaims beneficial ownership of such shares, except to the extent of its or his respective pecuniary interest therein. Mr. Schwab is a director of the Issuer and files separate Section 16 reports.

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