13D Filings
Camp4 Therapeutics Corporation
CAMP
Amendment
Ownership

6.30%

Total Shares

3,932,251

Issuer CIK

1736730

Event Date

Aug 12, 2026

Accepted

Aug 19, 2026, 07:03 PM

Reporting Persons (8)
Joint Filing

This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.

NameType% of ClassAggregateSole VotingShared Voting
Amir Nashat
Individual
6.30%3,932,25103,932,251
Polaris Management Co. VII, L.L.C.
Other
4.80%3,023,16103,023,161
Polaris Partners VII, L.P.
Partnership
4.50%2,825,50002,825,500
Brian Chee
Individual
1.40%909,0900909,090
Amy Schulman
Individual
1.40%909,0900909,090
Polaris Partners GP X, L.L.C.
Other
1.40%909,0900909,090
Polaris Partners X, L.P.
Partnership
1.40%909,0900909,090
Polaris Entrepreneurs' Fund VII, L.P.
Partnership
0.30%197,6610197,661
Disclosure Items (2)

Security Title

Common Stock, par value $0.0001 per share

Issuer Name

Camp4 Therapeutics Corporation

Issuer Address

100 Talcott Avenue, Watertown, MA, 02472

Percentage of Class

See Items 7-11 and 13 of the cover pages of this Statement for each Reporting Person and the corresponding comments.

Number of Shares

See Items 7-11 and 13 of the cover pages of this Statement for each Reporting Person and the corresponding comments.

Date of 5% Ownership

Not applicable.

Camp4 Therapeutics Corporation — Schedule 13D | 13D Filings