# Blackstone Infrastructure Partners (Supplemental Account I-A) L.P. — Form D/A

Blackstone Infrastructure Partners (Supplemental Account I-A) L.P. of NEW YORK, NY, a pooled investment fund, filed a Form D amendment with the SEC on 2024-01-17. $150.0M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2024-01-17
- Form: D/A
- Accession: 0001937830-24-000001
- Industry: Pooled Investment Fund
- Exemptions: 06b, 3C, 3C.7
- Amount sold: $150.0M
- Investors: 3
- Date of first sale: 2023-01-04
- Security types: fund interests
- SEC file number: 021-470969

## Issuer

- Name: Blackstone Infrastructure Partners (Supplemental Account I-A) L.P.
- CIK: 0001937830
- Entity type: Limited Partnership
- Jurisdiction: DELAWARE
- Incorporated: 2022
- Address: 345 PARK AVENUE, NEW YORK, NY, 10154
- Phone: 212-583-5000

## Officers, directors & promoters (19)

| Name | Role | Location |
| --- | --- | --- |
| Sean Klimczak | Executive Officer | New York, NY |
| Michael Knauss | Executive Officer | New York, NY |
| Eric Liaw | Executive Officer | New York, NY |
| Christopher Placca | Executive Officer | New York, NY |
| Omar Rehman | Executive Officer | New York, NY |
| Vikrant Sawhney | Executive Officer | New York, NY |
| Paul Schlaack | Executive Officer | New York, NY |
| Christopher Striano | Executive Officer | New York, NY |
| n/a BIA GP L.L.C. | Promoter | New York, NY |
| n/a BIA GP L.P. | Promoter | New York, NY |
| n/a Blackstone Infrastructure Advisors L.L.C. | Promoter | New York, NY |
| n/a Blackstone Infrastructure Associates L.P. | Promoter | New York, NY |
| Christopher Striano | Related Person | New York, NY |
| Vikrant Sawhney | Related Person | New York, NY |
| Michael Knauss | Related Person | New York, NY |
| Christopher Placca | Related Person | New York, NY |
| Sean Klimczak | Related Person | New York, NY |
| Paul Schlaack | Related Person | New York, NY |
| Joseph Rocco | Related Person | New York, NY |

## Other filings by this issuer (2)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-06-15](https://search.stillhousedata.com/formd/0001937830-26-000001) | D/A | — | $200.5M |
| [2023-01-18](https://search.stillhousedata.com/formd/0001937830-23-000001) | D | — | — |

## More

- [CIK 1937830 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1937830&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001937830-24-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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