Investor · Lakewood, OH

William C. Huffman

Open William in the network graph →

Filings

15

SEC Form D

Connections

87

co-filers

Capital

$13.0M

across filings

Active

Jun 2010

to Oct 2025

Most-connected co-filers (87)

Debra L. Kaput · Lakewood, OH11 shared Rebecca R. Mcmahon · Lakewood, OH9 shared Thomas J. Fraser · Lakewood, OH9 shared Ronald W. Dees · Lakewood, OH8 shared Mark Foley · Pleasanton, CA6 shared Michael Eubanks · Raleigh, NC6 shared Deborah Jones · Raleigh, NC6 shared Scott S. Sarjeant · Calgary, Alberta, Canada6 shared Ben Grinnell · Raleigh, NC6 shared Rod S. Maxwell · Calgary, Alberta, Canada6 shared Dale E. Tremblay · Calgary, Alberta, Canada6 shared Ian S. Brown · Calgary, Alberta, Canada6 shared Maurice Malfatti · Raleigh, NC6 shared Randy H. Pustanyk · Calgary, Alberta, Canada6 shared Brian C. Long · New York, NY6 shared Brian J. Pinkerton · Lakewood, OH5 shared Thomas A. Connors · New York, NY5 shared Shuja E. Goraya · Calgary, Alberta, Canada4 shared Michael J. Forestner · St. Louis, MO4 shared Daniel Sonner · Pacifica, CA4 shared Paul J. Kolevsohn · Atlanta, GA4 shared Ian H. Graham · Calgary, Alberta, Canada4 shared Raymond Lau · San Mateo, CA4 shared Pierre T. Allard · PALM BEACH, FL4 shared

Recent filings (15)

First Mutual Holding Co.Oct 2025 · 43 co-filers$3.0M R&B MEZZANINE II, LLCFeb 2024 · 6 co-filers Cathedral Energy Services Ltd.Dec 2022 · 23 co-filers$36.4M Cathedral Energy Services Ltd.May 2022 · 23 co-filers$8.8M Cathedral Energy Services Ltd.Apr 2022 · 23 co-filers$2.1M Cathedral Energy Services Ltd.Apr 2022 · 23 co-filers$1.2M Cathedral Energy Services Ltd.Jun 2021 · 27 co-filers$465K First Mutual Holding Co.Oct 2020 · 42 co-filers$15.0M BrightWater United Aero Group Holdings, LLCAug 2019 · 1 co-filer$4.5M First Mutual Holding Co.Feb 2018 · 42 co-filers$10.0M Cathedral Energy Services Ltd.Mar 2017 · 23 co-filers$789K Midwest Transit Holdings, Inc.Mar 2017 · 5 co-filers$10.0M OAS Acquisition, LLCApr 2014 · 5 co-filers$4.0M BrightWater Holdings, LLCMar 2012 · 4 co-filers$10.0M BrightWater Capital Investments, LLCJun 2010 · 3 co-filers$2.8M

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