| 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:
The names of the persons filing this report (collectively, the "Reporting Persons") are:
Northpond Ventures II, LP ("Northpond Fund II")
Northpond Ventures II GP, LLC ("Northpond II GP")
Northpond Ventures III, LP ("Northpond Fund III")
Northpond Ventures III GP, LLC ("Northpond III GP")
Northpond Ventures, LP ("Northpond Fund I")
Northpond Ventures GP, LLC ("Northpond GP")
Michael P. Rubin ("Rubin")
The Reporting Persons expressly disclaim status as a "group" for purposes of this Schedule 13G. |
| (b) | Address or principal business office or, if none, residence:
The principal business office of each Reporting Person is:
7500 Old Georgetown Road, Suite 800
Bethesda, MD 20814
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| (c) | Citizenship:
Northpond Fund II Delaware
Northpond II GP Delaware
Northpond Fund III Delaware
Northpond III GP Delaware
Northpond Fund I Delaware
Northpond GP Delaware
Rubin United States
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| (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);
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| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
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| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
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| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (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);
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| (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:
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| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
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| | |
| Item 4. | Ownership |
| (a) | Amount beneficially owned:
Row 9 of each Reporting Person's cover page to this Schedule 13G sets forth the aggregate number of securities of the Issuer beneficially owned by such Reporting Person as of September 30, 2025 and is incorporated by reference.
The Reporting Persons ownership of the Issuer's securities includes (i) 1,003,193 shares of common stock directly held by Northpond Fund II; (ii) 763,636 shares of common stock directly held by Northpond Fund III; and (iii) 471,415 shares of common stock directly held by Northpond Fund I.
Northpond II GP is the general partner of Northpond Fund II, Northpond III GP is the general partner of Northpond Fund III, and Northpond GP is the general partner of Northpond Fund I. Rubin is the managing member of each of Northpond II GP, Northpond III GP and Northpond GP and has voting and dispositive power over the securities held by each of Northpond Fund II, Northpond Fund III and Northpond Fund I. |
| (b) | Percent of class:
Row 11 of each Reporting Person's cover page to this Schedule 13G sets forth the percentages of the securities of the Issuer beneficially owned by such Reporting Person as of September 30, 2025 and is incorporated by reference. The percentage set forth in each row 11 is based upon 46,880,185 shares of common stock outstanding as of September 30, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (the "SEC") on November 6, 2025. |
| (c) | Number of shares as to which the person has:
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| | (i) Sole power to vote or to direct the vote:
Row 5 of each Reporting Person's cover page to this Schedule 13G sets forth the sole power to vote or to direct the vote of securities of the Issuer beneficially owned by such Reporting Person as of September 30, 2025 and is incorporated by reference.
|
| | (ii) Shared power to vote or to direct the vote:
Row 6 of each Reporting Person's cover page to this Schedule 13G sets forth the shared power to vote or to direct the vote of securities of the Issuer beneficially owned by such Reporting Person as of September 30, 2025 and is incorporated by reference.
|
| | (iii) Sole power to dispose or to direct the disposition of:
Row 7 of each Reporting Person's cover page to this Schedule 13G sets forth the sole power to dispose or to direct the disposition of securities of the Issuer beneficially owned by such Reporting Person as of September 30, 2025 and is incorporated by reference.
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| | (iv) Shared power to dispose or to direct the disposition of:
Row 8 of each Reporting Person's cover page to this Schedule 13G sets forth the shared power to dispose or to direct the disposition of securities of the Issuer beneficially owned by such Reporting Person as of September 30, 2025 and is incorporated by reference.
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| Item 5. | Ownership of 5 Percent or Less of a Class. |
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Ownership of 5 percent or less of a class
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| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. |
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Not Applicable
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| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. |
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Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. |
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Not Applicable
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| Item 9. | Notice of Dissolution of Group. |
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Not Applicable
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