Investor · Chicago, IL

Mark E. Denien

Open Mark in the network graph →

Filings

8

SEC Form D

Connections

53

co-filers

Capital

$98.2M

across filings

Active

Apr 2023

to Oct 2025

Most-connected co-filers (53)

John W. Rosenthal · Mishawaka, IN6 shared Ibex Mobility Revolution VC II GP LLC · Denver, CO4 shared Frederick V. Fortmiller, Jr · New York, NY4 shared Charles A. Henry · MISHAWAKA, IN4 shared Yvonne C. Owens · NEW YORK, NY2 shared Sudhir Pai · Plano, TX2 shared Andrew L. Farkas · New York, NY2 shared J. D. Bynum · Birmingham, AL2 shared Kenneth Ray · Wells, ME2 shared Masaki Okada · Grand Cayman, Cayman Islands2 shared Lawrence Page · VANCOUVER, British Columbia, Canada2 shared Richard R. Heitzmann · New York, NY2 shared Peter Cheesbrough · DENVER, CO2 shared Joshua S. Koplewicz · New York, NY2 shared Arie N. Page · Vancouver, British Columbia, Canada2 shared Gordon G. Repp · Chicago, IL2 shared Lynn C. Thurber · Chicago, IL2 shared Douglas A. Lindgren · Irving, TX2 shared Bryan Healey · New York, NY2 shared Autum Grimm · Black Diamond, WA2 shared Cassandra Gholston · Black Diamond, WA2 shared Jared Gholston · Black Diamond, WA2 shared C. A. Swaringen · Chicago, IL2 shared William M. Sullivan · Chicago, IL2 shared

Recent filings (8)

SOUTHERN SILVER EXPLORATION CORPDec 2025 · 25 co-filers$178K JLL Income Property Trust, Inc.Oct 2025 · 26 co-filers$350.0M JLL Income Property Trust, Inc.Oct 2025 · 26 co-filers JLL Income Property Trust, Inc.Oct 2025 · 26 co-filers$350.0M JLL Income Property Trust, Inc.Oct 2025 · 26 co-filers SOUTHERN SILVER EXPLORATION CORPJul 2025 · 23 co-filers$380K Pickle Poll, Inc.Mar 2025 · 8 co-filers$12.0M PARTNERTAP, INC.May 2024 · 11 co-filers$12.8M Pickle Poll, Inc.Sep 2023 · 8 co-filers$8.5M PARTNERTAP, INC.Apr 2023 · 11 co-filers$12.8M

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