William A. Costello
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.
William Andrew Costello, who also goes by Andrew Costello, William A Costello, was a registered financial professional .
William is a previously registered financial professional and started their career in finance in 2021. William had worked at 3 firms and has passed the Series 65, Series 63, Series 79TO and SIE exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary)
The CRS(Customer Relationship Summary) document is not provided.
Certified licenses
Experience
November 19, 2025 - May 26, 2026
STRIDER CAPITAL, LLC
March 6, 2023 - December 24, 2024
PJT PARTNERS LP
October 18, 2021 - February 14, 2023
J.P. MORGAN SECURITIES LLC
State Registrations and Notice Filings
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Exams
Series 79TO
Date: 10/16/2021
Investment Banking Registered Representative ExaminationCurrent Firm
STRIDER CAPITAL, LLC
CRD#: 310923 / SEC#:
Contact information
Regulatory assets under management
| Total Number of Accounts | 12 |
| AUM (Assets Under Management) | $ 52,897,202 |
Red Flags
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