# LYON DAVID JUSTIN

LYON DAVID JUSTIN appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 2 filing roles across Form ADV (2).

## Filings (2)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| — | Form ADV | [SOUND ADVICE FINANCIAL INC.](https://search.stillhousedata.com/firm/327104) | PRESIDENT | BANNOCKBURN, IL |
| — | Form ADV | [MAIN STREET FINANCIAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/164106) | MANAGING MEMBER/PRINCIPAL | CHICAGO, IL |


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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.