# Martin Heidecker

Martin Heidecker of Cambridge, MA appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 8 filing roles across Form D (6), Form ADV (2).

## Filings (8)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| 2025-03-31 | Form ADV | [AMR ACTION FUND GP GMBH](https://search.stillhousedata.com/firm/335963) | CHIEF INVESTMENT OFFICER | BASEL, BASEL-STADT |
| 2025-04-04 | Form ADV | [AMR ACTION FUND GP, LLC](https://search.stillhousedata.com/firm/312684) | CHIEF INVESTMENT OFFICER | BOSTON, MA |
| 2018-03-02 | Form D | [ArmaGen, Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1562829&type=&dateb=&owner=include&count=40) | Director | CALABASAS, CA |
| 2015-08-12 | Form D | [Sentien Biotechnologies, Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1650699&type=&dateb=&owner=include&count=40) | Director | MEDFORD, MA |
| 2016-09-19 | Form D | [Abexxa Biologics, Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1684213&type=&dateb=&owner=include&count=40) | Director | ARLINGTON, TX |
| 2017-09-21 | Form D | [Tilos Therapeutics, Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1678508&type=&dateb=&owner=include&count=40) | Director | CAMBRIDGE, MA |
| 2024-08-05 | Form D | [VEDANTA BIOSCIENCES, INC.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1677878&type=&dateb=&owner=include&count=40) | Director | CAMBRIDGE, MA |
| 2024-06-26 | Form D | [Elion Therapeutics, Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2028346&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |


---

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.