# Marten Steen

Marten Steen of Lausanne, V8 appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 10 filing roles across Form ADV (5), Form D (5).

## Filings (10)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| 2025-04-03 | Form ADV | [HEALTHCAP ADVISOR AB](https://search.stillhousedata.com/firm/162464) | DIRECTOR | STOCKHOLM |
| 2025-04-03 | Form ADV | [HEALTHCAP VIII ADVISOR AB](https://search.stillhousedata.com/firm/305750) | SOLE SHAREHOLDER | STOCKHOLM |
| 2025-04-03 | Form ADV | [OFP V ADVISOR AB](https://search.stillhousedata.com/firm/300416) | DIRECTOR | STOCKHOLM |
| 2025-04-03 | Form ADV | [HEALTHCAP VII ADVISOR AB](https://search.stillhousedata.com/firm/277088) | SOLE SHAREHOLDER | STOCKHOLM |
| 2025-04-02 | Form ADV | [HEALTHCAP IX ADVISOR AB](https://search.stillhousedata.com/firm/330436) | DIRECTOR | STOCKHOLM |
| 2012-07-30 | Form D | [Ultragenyx Pharmaceutical Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1515673&type=&dateb=&owner=include&count=40) | Director | Novato, CA |
| 2013-01-25 | Form D | [HealthCap VI, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1515272&type=&dateb=&owner=include&count=40) | Director | CH 1006 LAUSANNE, V8 |
| 2015-03-24 | Form D | [Vaxin Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1636613&type=&dateb=&owner=include&count=40) | Director | GAITHERSBURG, MD |
| 2016-06-29 | Form D | [HealthCap VII, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1645161&type=&dateb=&owner=include&count=40) | Director | CH 1006 LAUSANNE, V8 |
| 2024-07-08 | Form D | [Mahzi Therapeutics Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1888808&type=&dateb=&owner=include&count=40) | Director | South San Francisco, CA |


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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.