0001937830-26-000001.txt : 20260615 0001937830-26-000001.hdr.sgml : 20260615 20260612184434 ACCESSION NUMBER: 0001937830-26-000001 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: 20260615 DATE AS OF CHANGE: 20260612 EFFECTIVENESS DATE: 20260615 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Blackstone Infrastructure Partners (Supplemental Account I-A) L.P. CENTRAL INDEX KEY: 0001937830 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: 021-470969 FILM NUMBER: 261088501 BUSINESS ADDRESS: STREET 1: 345 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10154 BUSINESS PHONE: 212-583-5000 MAIL ADDRESS: STREET 1: 345 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10154 D/A 1 primary_doc.xml X0708 D/A LIVE 0001937830 Blackstone Infrastructure Partners (Supplemental Account I-A) L.P. 345 PARK AVENUE NEW YORK NY NEW YORK 10154 212-583-5000 DELAWARE None None Limited Partnership true 2022 n/a Blackstone Infrastructure Associates L.P. 345 Park Avenue New York NY NEW YORK 10154 Promoter General Partner of the Issuer (the "GP") n/a BIA GP L.P. 345 Park Avenue New York NY NEW YORK 10154 Promoter General Partner of the GP of the Issuer (the "GP of the GP") n/a BIA GP L.L.C. 345 Park Avenue New York NY NEW YORK 10154 Promoter General Partner of the GP of the GP of the Issuer (the "General Partner of the GP of the GP") n/a Blackstone Infrastructure Advisors L.L.C. 345 Park Avenue New York NY NEW YORK 10154 Promoter Investment Advisor Sean Klimczak 345 Park Avenue New York NY NEW YORK 10154 Executive Officer Executive Officer of the General Partner of the GP of the GP Vikrant Sawhney 345 Park Avenue New York NY NEW YORK 10154 Executive Officer Executive Officer of the General Partner of the GP of the GP Christopher Striano 345 Park Avenue New York NY NEW YORK 10154 Executive Officer Executive Officer of the General Partner of the GP of the GP Joseph Rocco 345 Park Avenue New York NY NEW YORK 10154 Executive Officer Executive Officer of the General Partner of the GP of the GP Michael Knauss 345 Park Avenue New York NY NEW YORK 10154 Executive Officer Executive Officer of the General Partner of the GP of the GP Paul Schlaack 345 Park Avenue New York NY NEW YORK 10154 Executive Officer Executive Officer of the General Partner of the GP of the GP Christopher Placca 345 Park Avenue New York NY NEW YORK 10154 Executive Officer Executive Officer of the General Partner of the GP of the GP Pooled Investment Fund Other Investment Fund false Decline to Disclose 06b 3C 3C.7 true 0001937830-24-000001 2023-01-24 true true false 0 Indefinite 200500000 Indefinite Total Amount Sold includes the General Partner's commitment as well as sales in parallel funds. false 3 0 0 0 false Blackstone Infrastructure Partners (Supplemental Account I-A) L.P. /s/ Michael Knauss Michael Knauss Managing Director and Chief Compliance Officer 2026-06-12