Investor · Philadelphia, PA

Mark Platt

Open Mark in the network graph →

Filings

3

SEC Form D

Connections

18

co-filers

Capital

$825K

across filings

Active

Jul 2019

to Jan 2026

Most-connected co-filers (18)

Christopher C. Stallman · CHATTANOOGA, TN1 shared Adrian M. Fortino · Houston, TX1 shared Michael M. Calyniuk · Vancouver, British Columbia, Canada1 shared Nicholas Amundsen · Milwaukee, WI1 shared Clark Wright · Philadelphia, PA1 shared Elizabeth Thorkelson · Philadelphia, PA1 shared Molly Evola · Philadelphia, PA1 shared Johnny Billota · Philadelphia, PA1 shared Mitch Scher · Philadelphia, PA1 shared Christa Hinkel · Philadelphia, PA1 shared Brian Glick · Philadelphia, PA1 shared Stephen R. Altmann · Toronto, Ontario, Canada1 shared Teodora Dechev · Vancouver, British Columbia, Canada1 shared Taralinda Willis · Madison, WI1 shared Dale Willis · Madison, WI1 shared Anne Smith · MADISON, WI1 shared Siegfried O. Weidner · Vancouver, British Columbia, Canada1 shared Mireia Cervera · Vancouver, British Columbia, Canada1 shared

Recent filings (3)

Mundoro Capital IncJan 2026 · 5 co-filers$336K Chain.io, Inc.Feb 2025 · 19 co-filers$1.3M Chain.io, Inc.Feb 2025 · 19 co-filers$1.3M Curate Solutions, Inc.Jul 2019 · 7 co-filers$1.6M Curate Solutions, Inc.Jul 2019 · 7 co-filers$1.6M

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