# William Mack

William Mack of New York, NY 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 |
| --- | --- | --- | --- | --- |
| 2025-12-18 | Form ADV | [WILLIAM MACK & ASSOCIATES INC](https://search.stillhousedata.com/firm/107377) | PRESIDENT | TROY, MI |
| 2025-12-02 | Form ADV | [EXECUTIVE FINANCIAL SERVICES INC](https://search.stillhousedata.com/firm/110180) | VICE PRESIDENT | LIVONIA, MI |
| 2012-10-26 | Form D | [CLAROS REAL ESTATE SECURITIES FUND LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1290963&type=&dateb=&owner=include&count=40) | Executive Officer | New York, NY |
| 2015-10-09 | Form D | [H Columbus Circle JV LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1655321&type=&dateb=&owner=include&count=40) | Executive Officer | LOS ANGELES, CA |
| 2021-07-09 | Form D | [MREG Qualified Opportunity Zone Fund LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1779800&type=&dateb=&owner=include&count=40) | Executive Officer | NEW YORK, NY |
| 2020-12-07 | Form D | [MREG Bullard Co-Investors II LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1835259&type=&dateb=&owner=include&count=40) | Executive Officer | NEW YORK, NY |
| 2020-12-07 | Form D | [MREG Bullard Co-Investors LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1835258&type=&dateb=&owner=include&count=40) | Executive Officer | NEW YORK, NY |
| 2021-09-28 | Form D | [MREG Deer Valley SFR Co-Investors LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1884955&type=&dateb=&owner=include&count=40) | Executive Officer | 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.