# SummitTX Pinnacle (Offshore), L.P. — Form D/A

SummitTX Pinnacle (Offshore), L.P. of George Town, Grand Cayman, E9, a pooled investment fund, filed a Form D amendment with the SEC on 2026-04-03. $288.2M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2026-04-03
- Form: D/A
- Accession: 0000905148-26-001509
- Industry: Pooled Investment Fund
- Exemptions: 06b,3C,3C.7
- Amount sold: $288.2M
- Minimum investment: $100K
- Investors: 8
- Security types: fund interests
- SEC file number: 021-516112

## Issuer

- Name: SummitTX Pinnacle (Offshore), L.P.
- CIK: 0001963568
- Entity type: Other
- Jurisdiction: CAYMAN ISLANDS
- Incorporated: 2022
- Address: Walkers Corporate Limited 190 Elgin Avenue, George Town, Grand Cayman, E9, KY1-9008
- Phone: 345-949-0100

## Officers, directors & promoters (18)

| Name | Role | Location |
| --- | --- | --- |
| Neilson Arbour | Related Person | Forth Worth, TX |
| Douglas K. Bratton | Related Person | Forth Worth, TX |
| Caroline A. Cooley | Related Person | Forth Worth, TX |
| Alex Didych | Related Person | Forth Worth, TX |
| Scott M. Nelson | Related Person | Glastonbury, CT |
| Brian Peller | Related Person | Forth Worth, TX |
| n/a SummitTX Capital, L.P. | Related Person | Fort Worth, TX |
| n/a SummitTX Pinnacle (GP), L.P. | Related Person | Fort Worth, TX |
| N/A Crestline Management, L.P. | Promoter | Fort Worth, TX |
| Caroline A Cooley | Executive Officer | Forth Worth, TX |
| Alex A Didych | Executive Officer | Forth Worth, TX |
| Neilson A Arbour | Executive Officer | Forth Worth, TX |
| Douglas K Bratton | Executive Officer | Forth Worth, TX |
| n/a SummitTX Pinnacle (GP), L.P. | Promoter | Fort Worth, TX |
| Brian K Peller | Executive Officer | Forth Worth, TX |
| n/a SummitTX Capital, L.P. | Executive Officer | Fort Worth, TX |
| N/A Crestline Summit Pinnacle (GP), L.P. | Executive Officer | Fort Worth, TX |
| Scott M Nelson | Executive Officer | Glastonbury, CT |

## Other filings by this issuer (2)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2025-04-03](https://search.stillhousedata.com/formd/0001963568-25-000002) | D/A | — | $284.5M |
| [2024-06-14](https://search.stillhousedata.com/formd/0001315863-24-000512) | D | — | $150.2M |

## More

- [CIK 1963568 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1963568&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0000905148-26-001509.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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