X0708 D LIVE 0002142749 Star Mountain CFO I Subordinated Note Feeder (Onshore), LP 2 GRAND CENTRAL TOWER 140 EAST 45TH STREET, SUITE 30-A NEW YORK NY NEW YORK 10017 (212) 810-9044 DELAWARE None None Limited Partnership true 2026 n/a Star Mountain CFO Subordinated Note Feeder GP, LLC 2 Grand Central Tower 140 East 45th Street, Suite 30-A New York NY NEW YORK 10017 Executive Officer General Partner of the Issuer (the "GP") n/a Star Mountain Fund Management, LLC 2 Grand Central Tower 140 East 45th Street, Suite 30-A New York NY NEW YORK 10017 Executive Officer Managing Member of the GP (the "Manager") Brett A. Hickey 2 Grand Central Tower 140 East 45th Street, Suite 30-A New York NY NEW YORK 10017 Executive Officer Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.7 false 2026-06-30 true true true false 0 Indefinite 9700000 Indefinite false 6 0 0 0 false Star Mountain CFO I Subordinated Note Feeder (Onshore), LP /s/ Austin Ericson Austin Ericson General Counsel & CCO of the Manager 2026-07-14