# East Islip Investco LLC — Form D

East Islip Investco LLC of WALTHAM, MA, a pooled investment fund, filed a Form D exempt-offering notice with the SEC on 2026-06-23. The offering totals $2.4M, of which $2.0M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2026-06-23
- Form: D
- Accession: 0002141017-26-000001
- Industry: Pooled Investment Fund
- Exemptions: 06b,3C,3C.5,3C.6
- Total offering: $2.4M
- Amount sold: $2.0M
- Remaining: $300K
- Minimum investment: $25K
- Investors: 20
- Security types: fund interests
- SEC file number: 021-588218

## Issuer

- Name: East Islip Investco LLC
- CIK: 0002141017
- Entity type: Limited Liability Company
- Jurisdiction: DELAWARE
- Address: 201 JONES ROAD 3RD FLOOR WEST, WALTHAM, MA, 024251
- Phone: 781-489-7100

## Officers, directors & promoters (4)

| Name | Role | Location |
| --- | --- | --- |
| Thomas H Grape | Related Person | Waltham, MA |
| John Hartmayer | Related Person | Waltham, MA |
| Jerry Liang | Related Person | Waltham, MA |
| Lynda Maryanski | Related Person | Waltham, MA |

## More

- [CIK 2141017 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2141017&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002141017-26-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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