Investor · Toronto, Ontario, Canada

Mark Phd. Wingertzahn

Open Mark in the network graph →

Filings

12

SEC Form D

Connections

190

co-filers

Capital

—

across filings

Active

Apr 2020

to Mar 2025

Most-connected co-filers (190)

Chad Bronstein · Mayfield Village, OH8 shared Daniel Carcillo · Toronto, Ontario, Canada8 shared Ian Burnstein · Farmington Hills, MI8 shared Zed Wang · Toronto, Ontario, Canada8 shared Mitchell Kahn · Homer Glen, IL7 shared Robert Koffman · Toronto, Ontario, Canada6 shared George Iv Steinbrenner · Toronto, Ontario, Canada6 shared Dr. Abid Nazeer · Toronto, Ontario, Canada6 shared Stuart M. Bourne · New York, NY6 shared Naveen K. Vavilala · FAIRFAX, VA6 shared Julie W. Bauer · Chicago, IL6 shared Kevin J. Kennedy · Philadelphia, PA6 shared Hugo A. Mugica · Chicago, IL6 shared Maria R. Chiodi · New York, NY6 shared Jeri Frank · Cedar Rapids, IA6 shared Carla P. Dawson · Chicago, IL6 shared Susan E. Lester · San Diego, CA6 shared David A. Hoag · Chicago, IL6 shared Thomas R. Cardello · Stamford, CT6 shared Craig S. Donohue · Chicago, IL6 shared Doublas J. Smorag · Beachwood, OH6 shared Mark Galvin · Portsmouth, NH6 shared Elizabeth K. King · New York, NY6 shared Phillippe L. Camu · New York, NY6 shared

Recent filings (12)

OPTIONS CLEARING CORPMar 2025 · 100 co-filers OPTIONS CLEARING CORPMar 2024 · 93 co-filers OPTIONS CLEARING CORPMar 2023 · 101 co-filers Alchemy Cloud, Inc.Aug 2022 · 7 co-filers$3.0M OPTIONS CLEARING CORPApr 2022 · 97 co-filers Wesana Health Holdings IncSep 2021 · 32 co-filers Wesana Health Holdings IncSep 2021 · 32 co-filers Alchemy Cloud, Inc.Aug 2021 · 2 co-filers$4.0M Alchemy Cloud, Inc.Aug 2021 · 8 co-filers$4.0M OPTIONS CLEARING CORPApr 2021 · 100 co-filers Alchemy Cloud, Inc.Apr 2020 · 8 co-filers$2.0M OPTIONS CLEARING CORPApr 2020 · 120 co-filers

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