Investor · Radnor, PA
William G. Costin, Iv
Open William in the network graph →Active
Oct 2008
to Jul 2025
Most-connected co-filers (13)
Penn Square II, LLC · Radnor, PA9 sharedRaymond J. Chess · Loveland, OH7 sharedMichael Malafronte · New York, NY7 sharedStephen S. Burns · Loveland, OH7 sharedSara Lou Sherman · Boston, MA7 sharedThe Townsend Group, Inc · Cleveland, OH6 sharedChristopher Spain · PETALUMA, CA6 sharedPhilip Reeves · Washington, Washington, D.C.2 sharedRobert Ledoux · Thousand Oaks, CA2 sharedYariv Oz · Thousand Oaks, CA2 sharedJason Ollison · Washington, Washington, D.C.2 sharedMichael Brownrigg · Washington, Washington, D.C.2 sharedTodd Leverette · Washington, Washington, D.C.2 shared Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See William in the interactive graph →