# ECM Fund 66 LLC — Form D

ECM Fund 66 LLC of SHERIDAN, WY, a company, filed a Form D exempt-offering notice with the SEC on 2026-05-26. The offering totals $19.9M. Industry: Commercial.

## Offering

- Filed: 2026-05-26
- Form: D
- Accession: 0002136812-26-000001
- Industry: Commercial
- Exemptions: 06b
- Total offering: $19.9M
- Remaining: $19.9M
- Minimum investment: $100K
- Security types: equity
- Revenue range: No Revenues
- SEC file number: 021-585031

## Issuer

- Name: ECM Fund 66 LLC
- CIK: 0002136812
- Entity type: Limited Liability Company
- Jurisdiction: WYOMING
- Address: 30 N GOULD ST STE R, SHERIDAN, WY, 82801
- Phone: 4805347066

## Officers, directors & promoters (1)

| Name | Role | Location |
| --- | --- | --- |
| Adam Williams | Related Person | Sheridan, WY |

## More

- [CIK 2136812 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2136812&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002136812-26-000001.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.
