Investor · Rochester, MN

Herbert B. Zien

Open Herbert in the network graph →

Filings

10

SEC Form D

Connections

27

co-filers

Capital

—

across filings

Active

Mar 2009

to Dec 2025

Most-connected co-filers (27)

Meridee A. Moore · San Francisco, CA5 shared Allen J. Berning · Rochester, MN5 shared Bobby D. Liu · New York, NY5 shared Adam Sender · New York, NY5 shared Ramona Bowry · New York, NY5 shared Kevin Katari · Burlingame, CA5 shared Richard D. Klum · Rochester, MN5 shared Chad D. Attlesey · Rochester, MN5 shared Scott A. Litman · Rochester, MN5 shared Teresa Esser · Rochester, MN4 shared Eliot S. Kang · New York, NY4 shared Tremayne A. Williams · MORROW, GA3 shared Mark Malde · Rochester, MN3 shared Kenneth A. Sadowski · Vancouver, British Columbia, Canada3 shared Jim Daugherty · Burlington, WI1 shared Kenneth C. Krei · Milwaukee, WI1 shared John P. Kivlin · Lake Geneva, WI1 shared John Bobrowich · Westbrook, ME1 shared Darren Klum · Rochester, MN1 shared James Grotelueschen · Austin, TX1 shared Pere Soria · Milwaukee, WI1 shared Francisco Cardenas · Milwaukee, WI1 shared Paul Wright · Walnut Creek, CA1 shared Daniel Einhorn · Fitchburg, WI1 shared

Recent filings (10)

ONE SOURCE MULTINATIONAL & EQUITY CAPITAL FUND LTD. LIABILITY CO.Dec 2025 · 4 co-filers ONE SOURCE MULTINATIONAL & EQUITY CAPITAL FUND LTD. LIABILITY CO.Dec 2025 · 4 co-filers ONE SOURCE MULTINATIONAL & EQUITY CAPITAL FUND LTD. LIABILITY CO.Nov 2025 · 2 co-filers LiquidCool Solutions, IncOct 2013 · 9 co-filers$3.6M LiquidCool Solutions, IncOct 2013 · 9 co-filers$3.6M Hardcore Computer IncOct 2011 · 13 co-filers$3.0M Hardcore Computer IncAug 2011 · 13 co-filers$1.5M HELIOS USA, LLCJul 2011 · 10 co-filers$150K HELIOS USA, LLCJul 2011 · 10 co-filers$150K Hardcore Computer IncJun 2011 · 13 co-filers$1.0M Hardcore Computer IncApr 2010 · 11 co-filers$9.4M Hardcore Computer IncMar 2009 · 9 co-filers$5.0M

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