Full text of MOUNTAINSIDE SECURITIES LLC's X-17A-5 filed 2019-02-27 (period 2018-12-31). Broker-dealer annual report from SEC EDGAR — readable, searchable, and available as markdown for AI agents.
X-17A-5 0001745742 XXXXXXXX LIVE false false false 11-13-2018 12-31-2018 Broker-dealer N MOUNTAINSIDE SECURITIES LLC 450 SPRINGFIELD AVENUE, SUITE 201 SUMMIT NJ 07901 Ryan Posner 908-277-2500 Sobel & Co 293 Eisenhower Parkway Livingston NJ 07039 Certified Public Accountant Ryan Posner MOUNTAINSIDE SECURITIES LLC 12-31-2018 Ryan Posner Member Y
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