# Plexium, Inc. — Form D

Plexium, Inc. of SAN DIEGO, CA, a company, filed a Form D exempt-offering notice with the SEC on 2025-08-25. The offering totals $60.1M, of which $60.1M was reported sold. Industry: Biotechnology.

## Offering

- Filed: 2025-08-25
- Form: D
- Accession: 0002082715-25-000001
- Industry: Biotechnology
- Exemptions: 06b
- Total offering: $60.1M
- Amount sold: $60.1M
- Investors: 20
- Date of first sale: 2025-07-14
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-555722

## Issuer

- Name: Plexium, Inc.
- CIK: 0002082715
- Entity type: Corporation
- Jurisdiction: DELAWARE
- Address: 9330 SCRANTON ROAD, SUITE 500, SAN DIEGO, CA, 92121
- Phone: (858) 263-7491

## Officers, directors & promoters (10)

| Name | Role | Location |
| --- | --- | --- |
| Leon Chen | Director | Austin, TX |
| Cariad Chester | Director | AUSTIN, TX |
| Michael Grey | Director | South San Francisco, CA |
| Rob Hopfner | Director | San Diego, CA |
| Gorjan Hrustanovic | Director | San Diego, CA |
| MICHAEL MARTIN | Director | Minneapolis, MN |
| Serge Messerlian | Director | San Diego, CA |
| Patrick Rivers | Director | Boston, MA |
| MICHAEL MARTIN | Executive Officer | Minneapolis, MN |
| Stephen Mullennix | Executive Officer | San Diego, CA |

## More

- [CIK 2082715 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2082715&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002082715-25-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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