# MARK WILLIAM HARRIS

MARK WILLIAM HARRIS is an investment adviser representative (IAR) with state registration records since 2017, appearing at 3 firms. Currently registered with MARINER, LLC, MARINER PLATFORM SOLUTIONS, LLC.

## Registration history (3)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [MARINER PLATFORM SOLUTIONS, LLC](https://search.stillhousedata.com/firm/305418) | 2022-05-03 | present | Yes |
| [MARINER, LLC](https://search.stillhousedata.com/firm/140195) | 2022-03-15 | present | Yes |
| [ADVICEPERIOD, LLC](https://search.stillhousedata.com/firm/169828) | 2017-09-25 | 2022-03-30 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/6829418)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/6829418.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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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.