X0708 D LIVE 0002158814 Prime Financial Master Fund LLC 225 W. WACKER DRIVE 21st Floor CHICAGO IL ILLINOIS 60606 773-828-6700 DELAWARE None None Limited Liability Company true 2026 Michael Peck 225 W Wacker Drive 21st Floor Chicago IL ILLINOIS 60606 Executive Officer Chief Executive Officer of First Trust Capital Management L.P., the issuer's Manager Chad Eisenberg 225 W Wacker Drive 21st Floor Chicago IL ILLINOIS 60606 Executive Officer Chief Operating Officer of First Trust Capital Management L.P., the issuer's Manager Thomas Reckley 225 W Wacker Drive 21st Floor Chicago IL ILLINOIS 60606 Executive Officer President of First Trust Capital Management L.P., the issuer's Manager Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.7 false 2026-09-25 true true false 0 First Trust Portfolios L.P. 28519 None None 120 E Liberty Drive Suite 400 Wheaton IL ILLINOIS 60187 All States false Indefinite 650000 Indefinite false 3 50000 true 0 0 false Prime Financial Master Fund LLC /s/ Chad Eisenberg Chad Eisenberg COO of Issuer's Manager 2026-10-09