# JOHN HAYWOOD LYON

JOHN HAYWOOD LYON is an investment adviser representative (IAR) with state registration records since 2012, appearing at 4 firms. Currently registered with ROSSBY FINANCIAL, LLC.

## Registration history (4)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [ROSSBY FINANCIAL, LLC](https://search.stillhousedata.com/firm/324631) | 2026-07-30 | present | Yes |
| [CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.](https://search.stillhousedata.com/firm/134139) | 2018-02-05 | 2026-07-31 | — |
| [MML INVESTORS SERVICES, LLC](https://search.stillhousedata.com/firm/10409) | 2015-05-04 | 2017-12-31 | — |
| [NEW ENGLAND SECURITIES](https://search.stillhousedata.com/firm/615) | 2012-05-10 | 2014-11-21 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/5004653)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/5004653.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.