| Item 1. | |
| (a) | Name of issuer:
CAMP4 Therapeutics Corporation |
| (b) | Address of issuer's principal executive offices:
One Kendall Square; Building 1400 West, 3rd Floor; Cambridge, MA 02139 |
| Item 2. | |
| (a) | Name of person filing:
HarbourVest Partners, LLC
HarbourVest Partners L.P.
HVST-TOPE LLC
SMRS-TOPE LLC
SMRS-TOPE LLC, HVST-TOPE LLC, HarbourVest Partners L.P. and HarbourVest Partners, LLC have entered into a Joint Filing Agreement, dated May 14, 2025, a copy of which is filed with this Schedule 13G as Exhibit 99.1, pursuant to which such reporting persons agreed to file this statement and any amendments thereto jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended. |
| (b) | Address or principal business office or, if none, residence:
The principal business office of each reporting person is One Financial Center, Boston, MA 02111. |
| (c) | Citizenship:
Reporting entities are all organized and exist under the laws of the State of Delaware. |
| (d) | Title of class of securities:
Common Stock, par value $0.0001 per share |
| (e) | CUSIP No.:
13463J101 |
| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: |
| (a) |  Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
|
| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
|
| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
|
| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
|
| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
|
| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
|
| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
|
| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
|
| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
|
| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
|
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
|
| | |
| Item 4. | Ownership |
| (a) | Amount beneficially owned:
Consists of 1,271,948 shares of common stock owned directly by SMRS-TOPE LLC. HarbourVest Partners, LLC ("HarbourVest") is the General Partner of HarbourVest Partners L.P., which is the Manager of HVST-TOPE LLC, which is the Managing Member of SMRS-TOPE LLC. Each of HarbourVest, HarbourVest Partners L.P. and HVST-TOPE LLC may be deemed to have a beneficial interest in the shares held by SMRS-TOPE LLC.
Voting and investment power over the securities owned directly by SMRS-TOPE LLC is exercised by the Investment Committee of HarbourVest. Each of HarbourVest, HarbourVest Partners L.P. and HVST-TOPE LLC and the members of the HarbourVest Investment Committee disclaim beneficial ownership of the shares held directly by SMRS-TOPE LLC. |
| (b) | Percent of class:
6.3% (based on 20,161,072 shares of common stock outstanding, as reported in the Issuer's Annual Report on Form 10-K, filed with the SEC on March 27, 2025) |
| (c) | Number of shares as to which the person has:
|
| | (i) Sole power to vote or to direct the vote:
SMRS-TOPE LLC has the sole power to vote or to direct the vote of 1,271,948 shares of common stock.
|
| | (ii) Shared power to vote or to direct the vote:
HarbourVest, HarbourVest Partners L.P. and HVST-TOPE LLC may be deemed to have shared power to vote or direct the vote of 1,271,948 shares of common stock. Each of HarbourVest, HarbourVest Partners L.P. and HVST-TOPE LLC disclaim beneficial ownership of such shares.
|
| | (iii) Sole power to dispose or to direct the disposition of:
SMRS-TOPE LLC has the sole power to dispose or to direct the disposition of 1,271,948 shares of common stock.
|
| | (iv) Shared power to dispose or to direct the disposition of:
HarbourVest, HarbourVest Partners L.P. and HVST-TOPE LLC may be deemed to have shared power to dispose or direct the disposition of 1,271,948 shares of common stock. Each of HarbourVest, HarbourVest Partners L.P. and HVST-TOPE LLC disclaim beneficial ownership of such shares.
|
| Item 5. | Ownership of 5 Percent or Less of a Class. |
| | |
| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. |
| |
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
See Item 4 above. |
| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. |
| |
Not Applicable
|
| Item 8. | Identification and Classification of Members of the Group. |
| |
Not Applicable
|
| Item 9. | Notice of Dissolution of Group. |
| |
Not Applicable
|
Rule 13d-1(d)