# Osmium Diamond, LP — Form D/A

Osmium Diamond, LP of SAN ANSELMO, CA, a pooled investment fund, filed a Form D amendment with the SEC on 2026-05-19. $29.3M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2026-05-19
- Form: D/A
- Accession: 0001589408-26-000004
- Industry: Pooled Investment Fund
- Exemptions: 06b,3C,3C.1
- Amount sold: $29.3M
- Minimum investment: $500K
- Investors: 11
- Security types: equity, fund interests
- SEC file number: 021-207005

## Issuer

- Name: Osmium Diamond, LP
- CIK: 0001589408
- Entity type: Limited Partnership
- Jurisdiction: DELAWARE
- Incorporated: 2013
- Address: 5 ROSS AVENUE, SAN ANSELMO, CA, 94960
- Phone: 415-235-5089

## Officers, directors & promoters (3)

| Name | Role | Location |
| --- | --- | --- |
| John H. Lewis | Related Person | San Anselmo, CA |
| John H Lewis | Director | SAN ANSELMO, CA |
| John H Lewis | Executive Officer | SAN ANSELMO, CA |

## Other filings by this issuer (9)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2021-12-03](https://search.stillhousedata.com/formd/0001589408-21-000001) | D/A | — | $28.5M |
| [2020-12-07](https://search.stillhousedata.com/formd/0001589408-20-000001) | D/A | — | $28.6M |
| [2019-12-06](https://search.stillhousedata.com/formd/0001589408-19-000001) | D/A | — | $15.0M |
| [2018-12-06](https://search.stillhousedata.com/formd/0001589408-18-000001) | D/A | — | $13.6M |
| [2017-12-06](https://search.stillhousedata.com/formd/0001589408-17-000001) | D/A | — | $10.8M |
| [2016-12-09](https://search.stillhousedata.com/formd/0001589408-16-000003) | D/A | — | $10.2M |
| [2015-12-08](https://search.stillhousedata.com/formd/0001589408-15-000002) | D/A | — | $9.2M |
| [2014-12-09](https://search.stillhousedata.com/formd/0001589408-14-000001) | D/A | — | $12.5M |
| [2013-11-26](https://search.stillhousedata.com/formd/0001589408-13-000001) | D | — | $11.1M |

## More

- [CIK 1589408 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1589408&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001589408-26-000004.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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