Sebastian P. Leszczuk
Professional summary
Being a previously registered professional could mean that this person is no longer operating under the supervision of the SEC or FINRA.
That means that the Securities and Exchange Commission may not be able to oversee the services that this specific professional is providing.
Sebastian Patrick Leszczuk, who also goes by Sebastian Leszczuk, was a registered financial professional .
Sebastian is a previously registered financial professional and started their career in finance in 2018. Sebastian had worked at 2 firms and has passed the Series 63, SIE and Series 79 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary)
The CRS(Customer Relationship Summary) document is not provided.
Certified licenses
Experience
May 4, 2020 - November 21, 2022
CREDIT SUISSE SECURITIES (USA) LLC
August 13, 2018 - December 16, 2019
LLOYDS SECURITIES
State Registrations and Notice Filings
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Exams
Current Firm

CREDIT SUISSE SECURITIES (USA) LLC
CRD#: 816 / SEC#: 801-56264, 8-422
Contact information
Direct owners and executive officers
Regulatory assets under management
| Total Number of Accounts | 20 |
| AUM (Assets Under Management) | $ 805,275,346 |
Disclosures
| Regulatory Event | 322 |
| Civil Event | 8 |
| Arbitration | 10 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 01/28/2025 | ||
| 10/26/2023 | ||
| 01/25/2023 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
Check for any disclosures as part of your thorough research when choosing an advisor.
