# William Alan Landman

William Alan Landman of Wynnewood, PA appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 7 filing roles across Form D (4), Form ADV (3).

## Filings (7)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| 2025-11-12 | Form ADV | [MAINLINE INVESTMENT ADVISERS, LLC](https://search.stillhousedata.com/firm/159045) | PRESIDENT, CHIEF EXECUTIVE OFFICER | WYNNEWOOD, PA |
| 2025-04-29 | Form ADV | [CMS FUND ADVISERS, LLC](https://search.stillhousedata.com/firm/154682) | VICE PRESIDENT, ASSISTANT SECRETARY | WYNNEWOOD, PA |
| 2025-04-29 | Form ADV | [MERION REALTY ADVISERS, LLC](https://search.stillhousedata.com/firm/158507) | MANAGER/MEMBER, PRESIDENT | WYNNEWOOD, PA |
| 2014-05-16 | Form D | [VELIUS, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1608403&type=&dateb=&owner=include&count=40) | Director | GREAT NECK, NY |
| 2026-02-20 | Form D | [Merion Black Bear, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2111964&type=&dateb=&owner=include&count=40) | Executive Officer | WYNNEWOOD, PA |
| 2026-02-20 | Form D | [Merion Multifamily Fund IV Capital Partner, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2111961&type=&dateb=&owner=include&count=40) | Executive Officer | WYNNEWOOD, PA |
| 2026-02-20 | Form D | [Merion Multifamily Fund IV, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2111960&type=&dateb=&owner=include&count=40) | Executive Officer | WYNNEWOOD, PA |


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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.