X0708 D LIVE 0002133285 Pioneer Prime (U.S.)-A L.P. 22 ST. CLAIR AVENUE EAST SUITE 1500 TORONTO A6 ONTARIO, CANADA M4T2S3 416.402.7547 DELAWARE None None Limited Partnership true 2026 (none) Pioneer Fund IV GP, LP 22 St. Clair Avenue East Suite 1500 Toronto A6 ONTARIO, CANADA M4T2S3 Executive Officer General Partner of the Issuer Michael Dilworth 22 St. Clair Avenue East Suite 1500 Toronto A6 ONTARIO, CANADA M4T2S3 Executive Officer Jason Gray 22 St. Clair Avenue East Suite 1500 Toronto A6 ONTARIO, CANADA M4T2S3 Executive Officer Tim Suzman 22 St. Clair Avenue East Suite 1500 Toronto A6 ONTARIO, CANADA M4T2S3 Executive Officer (none) Pioneer Fund Management Ltd. 22 St. Clair Avenue East Suite 1500 Toronto A6 ONTARIO, CANADA M4T2S3 Executive Officer Manager of the Issuer Pooled Investment Fund Venture Capital Fund false Decline to Disclose 06b 3C 3C.1 false true false true false 0 Indefinite 0 Indefinite false 0 0 true 0 true 0 true The general partner of the Issuer is entitled to carried interest. The manager of the Issuer is entitled to a management fee. The carried interest and management fee are fully disclosed in the Issuer's confidential offering materials. false Pioneer Prime (U.S.)-A L.P. /s/ Michael Dilworth Michael Dilworth CFO of GP of GP of Issuer 2026-07-10