Polaris Management Co. VII, L.L.C. - Sep 11, 2025 Form 4 Insider Report for Camp4 Therapeutics Corp (CAMP)

Role
10%+ Owner
Signature
/s/ Lauren Crockett, as attorney-in-fact for Polaris Management Co. VII, L.L.C., general partner of Polaris Partners VII, L.P.
Stock symbol
CAMP
Transactions as of
Sep 11, 2025
Transactions value $
$1,999,999
Form type
4
Date filed
9/11/2025, 04:59 PM
Previous filing
Oct 22, 2024
SEC
View on sec.gov

Reporting Owners (7)

Name Relationship Address Signature Signature date CIK
Polaris Management Co. VII, L.L.C. 10%+ Owner ONE MARINA PARK DRIVE, 8TH FLOOR, BOSTON /s/ Lauren Crockett, as attorney-in-fact for Polaris Management Co. VII, L.L.C., general partner of Polaris Partners VII, L.P. 2025-09-11 0001678203
Polaris Partners VII, L.P. 10%+ Owner ONE MARINA PARK DRIVE, 8TH FLOOR, BOSTON /s/ Lauren Crockett, as attorney-in-fact for Polaris Management Co. VII, L.L.C. 2025-09-11 0001611189
Polaris Entrepreneurs' Fund VII, L.P. 10%+ Owner ONE MARINA PARK DRIVE 8TH FLOOR, BOSTON /s/ Lauren Crockett, as attorney-in-fact for Polaris Management Co. VII, L.L.C., general partner of Polaris Entrepreneurs' Fund VII, L.P. 2025-09-11 0001615991
Polaris Partners X, L.P. 10%+ Owner ONE MARINA PARK DRIVE, 8TH FLOOR, BOSTON /s/ Lauren Crockett, as general counsel of Polaris Partners GP X, L.L.C., general partner of Polaris Partners X, L.P. 2025-09-11 0001910577
Polaris Partners GP X, L.L.C. 10%+ Owner ONE MARINA PARK DRIVE, 8TH FLOOR, BOSTON /s/ Lauren Crockett, as general counsel of Polaris Partners GP X, L.L.C. 2025-09-11 0001910575
SCHULMAN AMY W 10%+ Owner ONE MARINA PARK DRIVE, 8TH FLOOR, BOSTON /s/ Lauren Crockett, as attorney-in-fact for Brian Chee 2025-09-11 0001438226
Chee Brian 10%+ Owner ONE MARINA PARK DRIVE, 8TH FLOOR, BOSTON /s/ Lauren Crockett, as attorney-in-fact for Amy Schulman 2025-09-11 0001295675

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CAMP Common Stock Purchase $1.87M +1.22M +76.18% $1.53 2.83M Sep 11, 2025 See footnote F1, F2
transaction CAMP Common Stock Purchase $131K +85.5K +76.18% $1.53 198K Sep 11, 2025 See footnote F1, F3
holding CAMP Common Stock 909K Sep 11, 2025 See footnote F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Polaris Management Co. VII, L.L.C. is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 On September 11, 2025, each of Polaris Partners VII, L.P. ("PP VII") and Polaris Entrepreneurs' Fund VII, L.P. ("PEF VII") acquired shares in a private placement by the Issuer pursuant to the terms of a Securities Purchase Agreement, dated as of September 9, 2025, by and among the Issuer and the investors party thereto at a purchase price of $1.53 per share.
F2 The reported securities are owned directly by PP VII. Polaris Management Co. VII, L.L.C. ("PMC VII") is the general partner of PP VII. Each of David Barrett, Brian Chee, Amir Nashat, a member of the Issuer's board of directors, and Bryce Youngren (collectively, the "PMC VII Managing Members") are the managing members of PMC VII. Each of PMC VII and the PMC VII Managing Members in their respective capacities with respect to PMC VII, may be deemed to have shared voting, investment and dispositive power with respect to the securities held by PP VII. Each of PMC VII and the PMC VII Managing Members disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any one of the PMC VII Managing Members or PMC VII is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.
F3 The reported securities are owned directly by PEF VII. PMC VII is the general partner of PEF VII. Each of PMC VII and the PMC VII Managing Members in their respective capacities with respect to PMC VII, may be deemed to have shared voting, investment and dispositive power with respect to the securities held by PEF VII. Each of PMC VII and the PMC VII Managing Members disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any one of the PMC VII Managing Members or PMC VII is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.
F4 The reported securities are owned directly by Polaris Partners X, L.P. ("PP X"). Polaris Partners GP X, L.L.C. ("PPGP X") is the general partner of PP X. Each of Amy Schulman and Brian Chee are the managing members of PPGP X (the "PPGP X Managing Members"). Amir Nashat ("Mr. Nashat"), a member of the Issuer's board of directors, is an interest holder of PPGP X. Each of PPGP X, the PPGP X Managing Members and Mr. Nashat, in their respective capacities with respect to PPGP X, may be deemed to have shared voting, investment and dispositive power with respect to the securities held by PP X. Each of PPGP X, the PPGP X Managing Members and Mr. Nashat disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any one of the PPGP X Managing Members, Mr. Nashat or PPGP X is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.