# John A Strom

John A Strom appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 8 filing roles across Form D (7), Form ADV (1).

## Filings (8)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| 2025-03-14 | Form ADV | [HADDINGTON VENTURES, LLC](https://search.stillhousedata.com/firm/158231) | MANAGING DIRECTOR AND MANAGING MEMBER | HOUSTON, TX |
| 2010-06-30 | Form D | [Tristream Co-Invest LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1495692&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2012-01-12 | Form D | [Haddington Energy Partners IV LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1502905&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2011-04-28 | Form D | [Endicott Co-Invest LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1518603&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2012-05-15 | Form D | [Endicott Co-Invest II LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1549047&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2013-05-01 | Form D | [HEP IV Co-Invest LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1518602&type=&dateb=&owner=include&count=40) | Executive Officer | HOUSTON, TX |
| 2013-04-19 | Form D | [Magnum NGL Co-Invest LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1574398&type=&dateb=&owner=include&count=40) | Director | Holladay, UT |
| 2018-04-10 | Form D | [HEP Liquids LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1736592&type=&dateb=&owner=include&count=40) | Director | HOUSTON, TX |


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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.