0002029452-25-000001.txt : 20250801 0002029452-25-000001.hdr.sgml : 20250801 20250801111649 ACCESSION NUMBER: 0002029452-25-000001 CONFORMED SUBMISSION TYPE: D/A 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)(7) FILED AS OF DATE: 20250801 DATE AS OF CHANGE: 20250801 EFFECTIVENESS DATE: 20250801 FILER: COMPANY DATA: COMPANY CONFORMED NAME: West Street Capital Partners IX LP CENTRAL INDEX KEY: 0002029452 ORGANIZATION NAME: EIN: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D/A SEC ACT: 1933 Act SEC FILE NUMBER: 021-520338 FILM NUMBER: 251174646 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/A 1 primary_doc.xml X0708 D/A LIVE 0002029452 West Street Capital Partners IX LP 200 WEST STREET NEW YORK NY NEW YORK 10282-2198 212-902-1000 DELAWARE None None Limited Partnership true 2024 Paul Bothner c/o Maples Fiduciary Svcs. (DE) Inc. 4001 Kennett Pike, Suite 302 Wilmington DE DELAWARE 19807 Director Director of the Issuer's General Partner Coleen Gasiewski c/o Maples Fiduciary Svcs. (DE) Inc. 4001 Kennett Pike, Suite 302 Wilmington DE DELAWARE 19807 Director Director of the Issuer's General Partner Stephane Lachance Ugland House, PO Box 309 Grand Cayman E9 CAYMAN ISLANDS KY1-1104 Director Director of the Issuer's General Partner Pooled Investment Fund Other Investment Fund false Decline to Disclose 06b 3C 3C.7 true 0002031328-24-000002 2024-07-20 true true false 0 Goldman Sachs & Co. LLC 361 None None 200 West Street New York NY NEW YORK 10282-2198 All States false Indefinite 2419905000 Indefinite false 980 0 0 0 false West Street Capital Partners IX LP /s/ Paul Bothner Paul Bothner Director of the Issuer's General Partner 2025-07-31