# William Morrow Arth

William Morrow Arth is an investment adviser representative (IAR) with state registration records since 2009, appearing at 3 firms. Currently registered with PIPER SANDLER & CO..

## Registration history (3)

| Firm | From | To | Current |
| --- | --- | --- | --- |
| [PIPER SANDLER & CO.](https://search.stillhousedata.com/firm/665) | 2019-09-09 | present | Yes |
| [AMERITAS INVESTMENT COMPANY, LLC](https://search.stillhousedata.com/firm/14869) | 2014-11-17 | 2019-09-09 | — |
| [TRANSWESTERN CAPITAL ADVISORS, LLC](https://search.stillhousedata.com/firm/141605) | 2009-07-29 | 2014-10-31 | — |

## More

- [This representative on SEC IAPD (source of record)](https://adviserinfo.sec.gov/individual/summary/5696844)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/rep/5696844.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.