# Thompson Dean

Thompson Dean of New York, NY appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 19 filing roles across Form D (18), Form ADV (1).

## Filings (19)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| — | Form ADV | [COUNTRY TRUST BANK](https://search.stillhousedata.com/firm/109487) | DIRECTOR | BLOOMINGTON, IL |
| 2009-04-06 | Form D | [Varietal Distribution Holdings LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1406860&type=&dateb=&owner=include&count=40) | Director | West Chester, PA |
| 2010-02-08 | Form D | [Avista Capital Partners (Offshore) II, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1441976&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2010-02-08 | Form D | [Avista Capital Partners II, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1441974&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2011-07-29 | Form D | [Avista Capital Partners (Offshore) III, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1527063&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2011-07-29 | Form D | [Avista Capital Partners III, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1527062&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2017-01-17 | Form D | [Avista Capital Partners (Offshore) IV, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1664173&type=&dateb=&owner=include&count=40) | Promoter | NEW YORK, NY |
| 2017-01-17 | Form D | [Avista Capital Partners IV, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1664176&type=&dateb=&owner=include&count=40) | Promoter | NEW YORK, NY |
| 2020-04-24 | Form D | [Avista Capital Partners (Offshore) V, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1774143&type=&dateb=&owner=include&count=40) | Promoter | NEW YORK, NY |
| 2020-04-24 | Form D | [Avista Capital Partners V, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1774142&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2019-04-15 | Form D | [National Spine & Pain Centers Holdings, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1706025&type=&dateb=&owner=include&count=40) | Related Person | ROCKVILLE, MD |
| 2019-12-09 | Form D | [Avista Healthcare Partners, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1794239&type=&dateb=&owner=include&count=40) | Promoter | NEW YORK, NY |
| 2022-08-29 | Form D | [ACP Hyperdrive Holdings, Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1924182&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2023-06-27 | Form D | [Avista Healthcare Partners (Offshore) VI, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1913198&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2023-06-27 | Form D | [Avista Healthcare Partners VI, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1913114&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2025-06-12 | Form D | [Avista Healthcare Partners CV II, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2071466&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2025-12-10 | Form D | [Avista Healthcare Partners (Offshore) IV, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2090459&type=&dateb=&owner=include&count=40) | Promoter | NEW YORK, NY |
| 2025-12-10 | Form D | [Avista Healthcare Partners IV, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2090457&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2026-02-19 | Form D | [Avista Healthcare Partners Red Bird, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2112314&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |


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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.