# MARX DENNIS ROBERT

MARX DENNIS ROBERT appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 3 filing roles across Form ADV (3).

## Filings (3)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| — | Form ADV | [JMG FINANCIAL GROUP LTD](https://search.stillhousedata.com/firm/110302) | SHAREHOLDER | DOWNERS GROVE, IL |
| — | Form ADV | [TRIAN FUND MANAGEMENT, L.P.](https://search.stillhousedata.com/firm/154172) | CHIEF COMPLIANCE OFFICER AND ASSISTANT GENERAL COUNSEL | NEW YORK, NY |
| — | Form ADV | [GREENROCK RESEARCH LLC](https://search.stillhousedata.com/firm/108419) | VICE PRESIDENT AND MEMBER | OAK BROOK, 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.