# Blackstone Supplemental Account - O L.P. — Form D

Blackstone Supplemental Account - O L.P. of NEW YORK, NY, a pooled investment fund, filed a Form D exempt-offering notice with the SEC on 2023-02-15. Industry: Pooled Investment Fund.

## Offering

- Filed: 2023-02-15
- Form: D
- Accession: 0001938950-23-000001
- Industry: Pooled Investment Fund
- Exemptions: 06b, 3C, 3C.7
- Security types: fund interests
- Revenue range: Decline to Disclose
- SEC file number: 021-473548

## Issuer

- Name: Blackstone Supplemental Account - O L.P.
- CIK: 0001938950
- Entity type: Limited Partnership
- Jurisdiction: DELAWARE
- Incorporated: 2022
- Address: 345 PARK AVENUE, NEW YORK, NY, 10154
- Phone: 212-583-5000

## Officers, directors & promoters (17)

| Name | Role | Location |
| --- | --- | --- |
| John A Finley | Executive Officer | New York, NY |
| Natasha A Gopaul | Executive Officer | New York, NY |
| Eric A Liaw | Executive Officer | New York, NY |
| Robert A Ramsauer | Executive Officer | New York, NY |
| Omar A Rehman | Executive Officer | New York, NY |
| Christopher A Striano | Executive Officer | New York, NY |
| David G Harpest | Executive Officer | New York, NY |
| Natasha G Gopaul | Executive Officer | New York, NY |
| Vikrant A Sawhney | Executive Officer | New York, NY |
| A.J. A Murphy | Executive Officer | New York, NY |
| Prakash A Melwani | Executive Officer | New York, NY |
| Joseph NA Baratta | Executive Officer | New York, NY |
| N/A NA Blackstone Energy Transition Management Associates IV L.P. | Promoter | New York, NY |
| N/A NA Blackstone ETMA IV L.L.C. | Promoter | New York, NY |
| Christopher G Striano | Executive Officer | New York, NY |
| John G Finley | Executive Officer | New York, NY |
| Eric G Liaw | Executive Officer | New York, NY |

## Other filings by this issuer (1)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2025-05-30](https://search.stillhousedata.com/formd/0001938950-25-000002) | D | — | — |

## More

- [CIK 1938950 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1938950&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001938950-23-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
