William J Sosniecki is an investment adviser representative (IAR) with state registration records since 2023, appearing at 3 firms. Currently registered with PERENNIAL FINANCIAL SERVICES.
| Firm | From | To | Current |
|---|---|---|---|
| PERENNIAL FINANCIAL SERVICES | 2025-11-03 | present | Yes |
| AMERIPRISE FINANCIAL SERVICES, LLC | 2025-03-20 | 2025-09-12 | — |
| MORGAN STANLEY SMITH BARNEY LLC | 2023-03-16 | 2025-04-01 | — |