Investor · Westborough, MA
John C. Masterson
Open John in the network graph →Capital
$162.7M
across filings
Active
Jan 2015
to Jan 2024
Most-connected co-filers (90)
Reza C. Amiri · Westborough, MA9 sharedWilliam C. Vanover · Westborough, MA9 sharedGeorge C. Guynn · Westborough, MA7 sharedGraeme C. White · Westborough, MA7 sharedMichael Phillips · Cambridge, MA6 sharedMatthew Nordan · CAMBRIDGE, MA6 sharedMargus Ehatamm · Grand Cayman, Cayman Islands6 sharedGabriel Kra · PALO ALTO, CA6 sharedSusan S. Blue · Harrisburg, PA5 sharedRichard S. Edley · Harrisburg, PA5 sharedJeffrey S. Wilush · Harrisburg, PA5 sharedKaren S. Graff · Harrisburg, PA5 sharedSteven M. Heath · Durham, NC5 sharedAlan S. Hartl · Harrisburg, PA5 sharedZachary J. Maurides · Durham, NC5 sharedColleen M. Roberts · Chicago, IL5 sharedTyler W. Mayoras · St. Louis, MO5 sharedMichael Del Grosso · Dripping Springs, TX5 sharedMichael Bailey · Charlotte, NC5 sharedJim S. Cook · Harrisburg, PA4 sharedSkyler Bissell · Seattle, WA4 sharedManalapan Oracle Advisers LLC · Red Bank, NJ4 sharedJoel S. Goldberg · Harrisburg, PA4 sharedCharles S. Barber · Harrisburg, PA4 shared Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See John in the interactive graph →