# 421 Yellowstone LLC — Form D

421 Yellowstone LLC of MADISON, WI, a company, filed a Form D exempt-offering notice with the SEC on 2025-12-04. The offering totals $7.2M, of which $7.2M was reported sold. Industry: Residential.

## Offering

- Filed: 2025-12-04
- Form: D
- Accession: 0002099423-25-000001
- Industry: Residential
- Exemptions: 06b
- Total offering: $7.2M
- Amount sold: $7.2M
- Minimum investment: $250K
- Investors: 8
- Date of first sale: 2025-11-21
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-565821

## Issuer

- Name: 421 Yellowstone LLC
- CIK: 0002099423
- Entity type: Limited Liability Company
- Jurisdiction: WISCONSIN
- Incorporated: 2023
- Address: 421 S. Yellowstone, MADISON, WI, 53719
- Phone: 815-871-7939

## Officers, directors & promoters (1)

| Name | Role | Location |
| --- | --- | --- |
| David Diamond | Executive Officer | Rockford, IL |

## More

- [CIK 2099423 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2099423&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002099423-25-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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