0002157607-26-000001.txt : 20261005 0002157607-26-000001.hdr.sgml : 20261005 20261005124959 ACCESSION NUMBER: 0002157607-26-000001 CONFORMED SUBMISSION TYPE: D PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: Rule 506(b) provides a "safer harbor" for a private offering FILED AS OF DATE: 20261005 DATE AS OF CHANGE: 20261005 EFFECTIVENESS DATE: 20261005 FILER: COMPANY DATA: COMPANY CONFORMED NAME: West Street Mezzanine Partners IX Employee Offshore Master Fund LP CENTRAL INDEX KEY: 0002157607 ORGANIZATION NAME: EIN: 000000000 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-599898 FILM NUMBER: 261439655 BUSINESS ADDRESS: STREET 1: 200 WEST STREET CITY: NEW YORK STATE: NY ZIP: 10282-2198 BUSINESS PHONE: 212-902-1000 MAIL ADDRESS: STREET 1: 200 WEST STREET CITY: NEW YORK STATE: NY ZIP: 10282-2198 D 1 primary_doc.xml X0708 D LIVE 0002157607 West Street Mezzanine Partners IX Employee Offshore Master Fund LP 200 WEST STREET NEW YORK NY NEW YORK 10282-2198 212-902-1000 CAYMAN ISLANDS West Street Mezzanine Partners IX Employee Offshore Fund, LP None Limited Partnership true 2026 Michael Brandmeyer 200 West Street New York NY NEW YORK 10282-2198 Executive Officer of the Manager of the Issuer's General Partner Harold Hope 200 West Street New York NY NEW YORK 10282-2198 Executive Officer of the Manager of the Issuer's General Partner Pooled Investment Fund Other Investment Fund false Decline to Disclose 06b false true false true false 0 Goldman Sachs & Co. LLC 361 None None 200 West Street New York NY NEW YORK 10282-2198 All States false Indefinite 0 Indefinite false 0 0 0 0 false West Street Mezzanine Partners IX Employee Offshore Master Fund LP /s/ Amit Sulakhe Amit Sulakhe VP of the Manager of the Issuer's General Partner 2026-10-05