# MARK JOHN O'CONNELL

MARK JOHN O'CONNELL is an investment adviser representative (IAR) with state registration records since 1993, appearing at 4 firms. Currently registered with LPL FINANCIAL LLC.

## Registration history (4)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [LPL FINANCIAL LLC](https://search.stillhousedata.com/firm/6413) | 2026-01-02 | present | Yes |
| [CROWN CAPITAL SECURITIES, L.P.](https://search.stillhousedata.com/firm/6312) | 2012-07-30 | 2024-05-03 | — |
| [BROOKSTONE SECURITIES, INC.](https://search.stillhousedata.com/firm/13366) | 2009-05-29 | 2012-06-20 | — |
| [FSC SECURITIES CORPORATION](https://search.stillhousedata.com/firm/7461) | 1993-04-30 | 2007-06-08 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/1701436)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/1701436.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.