Mason Oneill
Professional summary
Mason Oneill is a registered financial professional currently at MAXIM GROUP LLC located in New York, New York and CLEAR STREET LLC located in New York, New York.
Mason is registered as a RR (Registered Representative) and started their career in finance in 2023. Mason has worked at 2 firms and has passed the Series 79TO and SIE exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view Mason Oneill's CRS (Customer Relationship Summary).
Certified licenses
Experience
August 18, 2023 - Present
MAXIM GROUP LLC
Office #1: 300 Park Ave 16th Floor, New York, NY 10022November 5, 2025 - Present
CLEAR STREET LLC
Office #1: 4 World Trade Center 150 Greenwich Street 45th Floor, New York, NY, 10007State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
Exams
Series 79TO
Date: 8/18/2023
Investment Banking Registered Representative ExaminationFINRA
Current Firm
CLEAR STREET LLC
CRD#: 288933 / SEC#: , 8-69972
Contact information
FINRA licenses (53 States and Territories)
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| CLEAR STREET HOLDINGS LLC | SOLE CLASS A MEMBER | |
| AUSUBEL, ELLI MARK | DIRECTOR | 5715145 |
| COHEN, URIEL EPHRAIM | DIRECTOR | 4089765 |
| HAMMERICH, DALF PAUL | HEAD OF SUPPORT | 4710381 |
| MOCCIA, CHRISTY NOEL | CHIEF COMPLIANCE OFFICER | 4855629 |
| OLIVEIRA, BRIAN | CFO/FINOP/PRINCIPAL FINANCIAL OFFICER | 5371120 |
| SICKLICK, KENNETH | DIRECTOR | 7418830 |
| VOLZ, ANDREW | DIRECTOR, CHIEF EXECUTIVE OFFICER | 4808674 |
Disclosures
| Regulatory Event | 1 |
| Arbitration | 1 |
Red Flags
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