Investor · Midland, MI

William H. Weideman

Open William in the network graph →

Filings

5

SEC Form D

Connections

57

co-filers

Capital

—

across filings

Active

Mar 2009

to Dec 2025

Most-connected co-filers (57)

Jacqueline K. Barton · Midland, MI4 shared Fernando Ruiz · Midland, MI4 shared Geoffery E. Merszei · Midland, MI4 shared Arnold A. Allemang · Lansing, MI4 shared William F. Banholzer · Midland, MI3 shared Charles J. Kalil · Midland, MI3 shared Heinz Haller · Midland, MI3 shared Christopher L. Delong · New York, NY2 shared Scott Somerville · Grand Cayman, Cayman Islands2 shared Gregory M. Freiwald · Midland, MI2 shared Michael C. Gambrell · Vancouver, British Columbia, Canada2 shared Einat Steklov · NEW YORK, NY2 shared Meirav Har Noy · New York, NY2 shared Anil Arora · New York, NY2 shared Carol A. Dudley · Midland, MI2 shared Kelly I. Hampaul · New York, NY2 shared Frank P. Brosens · New York, NY2 shared Michael Schwartz · New York, NY2 shared Adam Fox · NEW YORK, NY2 shared Kevin P. Kavanagh · New York, NY2 shared David Golden · San Francisco, CA2 shared Zachary D. Levenick · New York, NY2 shared Kenneth D. Brody · New York, NY2 shared Andrew Liveris · North Sydney, Channel Islands2 shared

Recent filings (5)

Kashable Holdings Inc.Dec 2025 · 14 co-filers$34.8M Kashable Holdings Inc.Dec 2025 · 14 co-filers$2.3M DOW CORNING CORPApr 2011 · 14 co-filers$700.0M DOW CHEMICAL CO /DE/Mar 2009 · 45 co-filers$2.5B DOW CHEMICAL CO /DE/Mar 2009 · 45 co-filers$500.0M

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