0002156000-26-000001.txt : 20260921 0002156000-26-000001.hdr.sgml : 20260921 20260921155218 ACCESSION NUMBER: 0002156000-26-000001 CONFORMED SUBMISSION TYPE: D PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: Rule 506(b) provides a "safer harbor" for a private offering ITEM INFORMATION: Investment Company Act Section 3(c) ITEM INFORMATION: Section 3(c)(1) ITEM INFORMATION: Section 3(c)(7) FILED AS OF DATE: 20260921 DATE AS OF CHANGE: 20260921 EFFECTIVENESS DATE: 20260921 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Blackstone Rosetta COF IV Senior SCSp CENTRAL INDEX KEY: 0002156000 ORGANIZATION NAME: EIN: 000000000 STATE OF INCORPORATION: N4 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-598271 FILM NUMBER: 261393753 BUSINESS ADDRESS: ADDRESS IS A NON US LOCATION: YES STREET 1: 412F RTE D'ESCH CITY: LUXEMBOURG PROVINCE COUNTRY: N4 ZIP: L-1471 BUSINESS PHONE: 352 621 652 059 MAIL ADDRESS: ADDRESS IS A NON US LOCATION: YES STREET 1: 412F RTE D'ESCH CITY: LUXEMBOURG PROVINCE COUNTRY: N4 ZIP: L-1471 D 1 primary_doc.xml X0708 D LIVE 0002156000 Blackstone Rosetta COF IV Senior SCSp 412F RTE D'ESCH LUXEMBOURG N4 LUXEMBOURG L-1471 352 621 652 059 LUXEMBOURG None None Other Luxembourg Special Limited Partnership true 2026 Apostolia Siavala 412F Rte d'Esch Luxembourg N4 LUXEMBOURG L-1471 Executive Officer Manager of Rosetta COF IV Senior GP, S.A.R.L. Pedro Alonso-Lamberti 6A Rte de Treves Senningerberg N4 LUXEMBOURG L-2633 Executive Officer Manager of Rosetta COF IV Senior GP, S.A.R.L. Achene Boulhais 412F Rte d'Esch Luxembourg N4 LUXEMBOURG L-1471 Executive Officer Manager of Rosetta COF IV Senior GP, S.A.R.L. N/A Rosetta COF IV Senior GP, S.A.R.L. 412F Rte d'Esch Luxembourg N4 LUXEMBOURG L-1471 Executive Officer General Partner of Blackstone Rosetta COF IV Senior SCSp Pooled Investment Fund Other Investment Fund false Decline to Disclose 06b 3C 3C.1 3C.7 false true false true true false 0 Indefinite 0 Indefinite false 0 0 0 0 false Blackstone Rosetta COF IV Senior SCSp /s/ Apostolia Siavala Apostolia Siavala Executive Officer 2026-09-21