Jonathan R. Cyprys focuses his practice on broker-dealer compliance issues, securities enforcement and regulatory matters, complex commercial litigation, securities litigation and arbitration, and internal corporate investigations. He represents broker-dealers, individual brokers, investment banks, and their employees in both regulatory proceedings and customer actions initiated by the SEC, FINRA, DOJ, MSRB, CBOE and CFTC concerning market timing, securities mark ups, option crossing, record keeping, and equity research, among other sales practice-related issues.