Last Updated: May 2026 — Boca Raton, FL
Here’s what you need to know about Boca Raton, FL stockbroker Robert Edward Ainbinder Jr.:
- Name: Robert Edward Ainbinder Jr.
- CRD Number: 2389470
- Current Registration Status: Not currently registered with any FINRA-member firm
- Most Recent Firms:
- WestPark Capital, Inc. (2022–2023; Boca Raton, FL)
- Univest Securities, LLC (2020–2021; New York, NY)
- WestPark Capital, Inc. (2015–2019; New York, NY)
- Prior Firms: Choicetrade; Newport Coast Securities, Inc.; Meyers Associates, L.P.; J.P. Turner & Company, L.L.C.; Garden State Securities, Inc.; First Montauk Securities Corp.; Sharpe Capital, Inc.; Cantone Research Inc.; Josephthal Lyon & Ross Incorporated; Investors Associates, Inc.; Pruco Securities Corporation
- Other Business Affiliations: NYIAX Inc. (Board Member; non-investment related digital advertising platform)
- Stockbroker / Financial Advisor: Former General Securities Representative
- Can Broker be Sued in FINRA: Yes
- Highest Award or Settlement: $140,000
If you’ve sustained damages from Mr. Ainbinder, discuss your case with experienced investment fraud lawyer Bob Rex at (877) 224-3199 for a free consultation.
Did You Lose Money With Robert Ainbinder As Your Stockbroker?
Robert Edward Ainbinder Jr. was the subject of five customer disputes, involving allegations of unsuitable private placements, concentration, misrepresentation, unauthorized trading, and aggressive margin trading strategies.
$60,000 Settlement – Reg D Private Placement (2025)
A FINRA arbitration filed by a customer of WestPark Capital in April 2024 alleged unsuitable recommendations and untrue statements of material fact in connection with a Regulation D private placement.
- FINRA Case No.: 24-00812
- Settlement Amount: $60,000
- Resolution Date: March 10, 2025
$140,000 Settlement – OTC Equity Suitability (2010)
A FINRA arbitration filed by a customer of First Montauk Securities alleged breach of fiduciary duty and unsuitable recommendations concerning OTC equity purchases between September 2007 and February 2008.
- FINRA Case No.: 09-01708
- Settlement Amount: $140,000
$24,000 Settlement – Private Placements & IPOs (2013)
A FINRA arbitration alleged misrepresentation, unsuitable recommendations, breach of fiduciary duty, negligence, and fraud involving private placements and initial public offerings while at First Montauk Securities Corp.
- FINRA Case No.: 10-05823
- Settlement Amount: $24,000
$25,000 Settlement – Unauthorized & Aggressive Trading (2001)
An NASD arbitration alleged unauthorized and aggressive trading in listed equities while at Sharpe Capital, Inc.
- Settlement Amount: $25,000
- Individual Contribution: $7,500
$34,000 Settlement – Limit Order / Market Execution Dispute (2000)
A complaint alleged improper handling of a limit order during a market crash, resulting in shares being sold at market price.
- Settlement Amount: $34,000
Allegations of Broker Misconduct Against Robert Ainbinder
- Unsuitability — Recommending private placements, IPOs, or concentrated OTC equity positions inconsistent with a client’s objectives may violate FINRA Rule 2111 and SEC Regulation Best Interest (Rule 15l-1).
- Failure to Diversify / Overconcentration — Allegations of excessive exposure to particular securities may raise suitability and fiduciary concerns.
- Misrepresentation — Claims that material facts were misstated or omitted may implicate FINRA Rule 2020 and Rule 2010.
- Margin Trading Risks — Use of margin in aggressive strategies can magnify losses and requires careful suitability review.
Recover Your Investment Losses Now With Rex Securities Law
If you have suffered investment losses in an account handled by Robert Edward Ainbinder Jr., contact us for a complimentary consultation with an experienced securities lawyer to learn how you may be able to recover damages through FINRA arbitration.
Investigations of other Westpark Capital brokers
Firms We Have Pursued On Behalf of Our Clients
With offices in Boca Raton, FL, and Austin, TX, stockbroker fraud attorney Bob Rex provides representation to investors nationwide who are seeking recovery of investment losses due to the negligence or fraud of stockbrokers, financial advisors, and broker-dealers.
If you have questions about how your account has been handled, call (877) 224-3199 to speak with an experienced securities attorney at no cost to you.
Most cases are handled on a contingent fee basis, meaning that you do not pay legal fees unless we are successful.