# MARK WILLIAM THATCHER

MARK WILLIAM THATCHER is an investment adviser representative (IAR) with state registration records since 2002, appearing at 6 firms. Currently registered with KEYSTONE PRIVATE WEALTH.

## Registration history (6)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [KEYSTONE PRIVATE WEALTH](https://search.stillhousedata.com/firm/301924) | 2019-07-18 | present | Yes |
| [CYPRESS WEALTH SERVICES, LLC](https://search.stillhousedata.com/firm/288992) | 2017-07-18 | 2020-11-12 | — |
| [INTEGRATED WEALTH MANAGEMENT, INC.](https://search.stillhousedata.com/firm/106335) | 2014-05-05 | 2017-12-31 | — |
| [MORGAN STANLEY SMITH BARNEY LLC](https://search.stillhousedata.com/firm/149777) | 2009-06-01 | 2014-05-14 | — |
| [MORGAN STANLEY & CO. LLC](https://search.stillhousedata.com/firm/8209) | 2008-09-12 | 2009-06-01 | — |
| [MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED](https://search.stillhousedata.com/firm/7691) | 2002-04-26 | 2008-09-15 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/4470726)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/4470726.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.