Investor · West Orange, NJ

John Wolkstein

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Filings

11

SEC Form D

Connections

47

co-filers

Capital

$800K

across filings

Active

Jul 2014

to Apr 2022

Most-connected co-filers (47)

David Conklin · Livingston, NJ11 shared Spencer Williamson · San Juan Capistrano, CA9 shared Jeffrey B. Kramp · Princeton, NJ7 shared James A. Holanda · Princeton, NJ7 shared Charles E. Larsen · MARLBOROUGH, MA7 shared Charles J. Morris · Baltimore, MD7 shared Bruce C. Robertson · MARLBOROUGH, MA7 shared Paul Laviolette · RALEIGH, NC7 shared Burke R. Barrett · MARLBOROUGH, MA6 shared Vishal Bhutani · New York, NY6 shared Omar C. Amirana · MARLBOROUGH, MA6 shared Patrick R. Wethington · MARLBOROUGH, MA6 shared Mark Ritchart · San Juan Capistrano, CA6 shared Joshua Buettner-Garrett · Louisville, CO6 shared Alexandra Gold · Louisville, CO6 shared Amanda E. Sodergren · Devonshire, Bermuda6 shared David Derval · Beverly Hills, CA6 shared Samuel G. Jones · Charleston, SC6 shared Eddie Chang · San Juan Capistrano, CA5 shared Christopher A. Kroeger · MARLBOROUGH, MA5 shared Bryan E. Smith · Washington, Washington, D.C.5 shared Steve Parker · San Juan Capistrano, CA4 shared James D. Everett · Lafayette, CA4 shared Warren R. Clark, Iii · MARLBOROUGH, MA4 shared

Recent filings (11)

CardioFocus, Inc.Apr 2022 · 19 co-filers$50.0M CardioFocus, Inc.Jul 2020 · 17 co-filers$15.0M CardioFocus, Inc.May 2019 · 25 co-filers$12.0M CardioFocus, Inc.Apr 2018 · 26 co-filers$21.0M CardioFocus, Inc.Apr 2018 · 26 co-filers$21.0M CardioFocus, Inc.Mar 2017 · 26 co-filers$32.1M 70-76 Passaic Avenue LLCFeb 2017 · 5 co-filers$80K Florham Park Sports Dome & Event Center LLCFeb 2017 · 5 co-filers$720K CardioFocus, Inc.May 2016 · 19 co-filers$12.0M DIGITAL AUTHENTICATION TECHNOLOGIES INCMay 2016 · 16 co-filers$1.0M DIGITAL AUTHENTICATION TECHNOLOGIES INCJul 2014 · 9 co-filers$1.0M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See John in the interactive graph →