# SEAN MICHAEL O'BRIEN

SEAN MICHAEL O'BRIEN is an investment adviser representative (IAR) with state registration records since 2006, appearing at 4 firms. Currently registered with ECHO45 ADVISORS LLC.

## Registration history (4)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [ECHO45 ADVISORS LLC](https://search.stillhousedata.com/firm/307265) | 2026-06-18 | present | Yes |
| [CENTRAL VALLEY ADVISORS, LLC](https://search.stillhousedata.com/firm/324974) | 2023-06-22 | 2026-06-22 | — |
| [RAYMOND JAMES FINANCIAL SERVICES ADVISORS, INC](https://search.stillhousedata.com/firm/149018) | 2019-04-26 | 2023-07-05 | — |
| [MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED](https://search.stillhousedata.com/firm/7691) | 2006-01-05 | 2019-04-30 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/5012235)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/5012235.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.