Investor · Wilmette, IL

Sam Borek

Open Sam in the network graph →

Filings

7

SEC Form D

Connections

22

co-filers

Capital

—

across filings

Active

Mar 2009

to Dec 2025

Most-connected co-filers (22)

Edward A. Treichel · Oak Brook, IL4 shared Alex Samoylovich · Chicago, IL3 shared Zafar Rashid · Plymouth Meeting, PA3 shared Jay Michael · Chicago, IL3 shared Michael J. Miille · Davis, CA3 shared Gary B. Linford · Grand Cayman, Cayman Islands2 shared Laura S. Mcgeever · Grand Cayman, Cayman Islands2 shared Scott Dragoo · NEW YORK, NY2 shared Gary Linford · GRAND CAYMAN, Cayman Islands2 shared Susan A. Koger · San Francisco, CA1 shared Moishe Gubin · Boca Raton, FL1 shared Peter A. Van Bommel · Luxembourg, Luxembourg1 shared Thomas Procelli · Fort Lauderdale, FL1 shared Howard Zusman · Fort Lauderdale, FL1 shared Larry Willis · Fort Lauderdale, FL1 shared Wendy Mitchler · Fort Lauderdale, FL1 shared Seth Gillman · Fort Lauderdale, FL1 shared Richard Browdy · Fort Lauderdale, FL1 shared Robert Acri · Fort Lauderdale, FL1 shared Kamran Movafagh · Northfield, IL1 shared Mehdi Movaffagh · Northfield, IL1 shared Michael Leydervuder · Northfield, IL1 shared

Recent filings (7)

Taproot Fund (Cayman) Ltd.Dec 2025 · 7 co-filers Taproot Fund (Cayman) Ltd.Jul 2025 · 7 co-filers OptimumBank Holdings, Inc.Nov 2011 · 9 co-filers$15.0M Fitch Commons LLCOct 2009 · 5 co-filers$1.8M Rockwell Commons LLCAug 2009 · 5 co-filers$1.8M 900 N. Leclaire, LLCMar 2009 · 4 co-filers$200K Leclaire Oak Forest Partners, LLCMar 2009 · 5 co-filers$600K

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