In June, we told you about Matthew Evan Eckstein (CRD #2997245), who was a previously registered broker with Sisk Investment Services, Inc. (CRD #19406) of Syossett, NY. In addition to being registered there since 2015, Eckstein owned Sisk and was its CEO. FINRA also expelled Sisk Investment Services on 6/22/2018.…
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