Investor · Chagrin Falls, OH

Dean Koch

Open Dean in the network graph →

Filings

15

SEC Form D

Connections

57

co-filers

Capital

$285K

across filings

Active

Jul 2010

to Aug 2025

Most-connected co-filers (57)

Michael Ross · Chagrin Falls, OH6 shared George Dunbar · Beverly Hills, CA5 shared Federica O'Brien · Houston, TX5 shared Mel E. Lifshitz · Lawrence, NY3 shared Michael Witz · Carlsbad, CA3 shared Timothy Peterson · Ann Arbor, MI3 shared David Kreinberg · Lawrence, NY3 shared Carl, Jr. Hicks · Missoula, MT3 shared Paul Packer · MELVILLE, NY3 shared Reuven Moskowitz · Lawrence, NY3 shared David Young · San Anselmo, CA3 shared Cheng-Hong David Lin · Carlsbad, CA3 shared David Moore · Dallas, TX3 shared James K. Phillips · Fort Worth, TX3 shared Eileen Maus · Chester, NJ3 shared Steven Krausman · Lawrence, NY3 shared Karleski Koleman · Louisville, KY3 shared Michelle Goldberg · SEATTLE, WA3 shared Koleman Karleski · Chagrin Falls, OH3 shared City Street Gp, Llc · HOUSTON, TX2 shared Todd Basche · Santa Clara, CA2 shared Matthew Mcfarland · Columbus, OH2 shared Phil Schlein · Chicago, IL2 shared Isaac Harrouche Peisach · New York, NY2 shared

Recent filings (15)

smallTalk Technology, Inc.Aug 2025 · 6 co-filers$640K smallTalk Technology, Inc.Aug 2025 · 6 co-filers$640K Domain Benbrook Apartments, LPMay 2025 · 13 co-filers$6.5M Domain Benbrook Investors, LPMay 2025 · 13 co-filers$9.9M Thrive Neuromedical, LLCAug 2018 · 4 co-filers$600K CERVILENZ INCJan 2013 · 12 co-filers$2.9M Penguin Digital, Inc.Aug 2012 · 9 co-filers$400K Penguin Digital, Inc.Feb 2012 · 9 co-filers$1.0M CERVILENZ INCFeb 2012 · 12 co-filers$3.0M Penguin Digital, Inc.Oct 2011 · 9 co-filers$1.0M CERVILENZ INCOct 2011 · 11 co-filers$3.5M CERVILENZ INCOct 2011 · 11 co-filers$3.5M CERVILENZ INCJul 2010 · 11 co-filers$3.1M CERVILENZ INCJul 2010 · 11 co-filers$3.1M CERVILENZ INCJul 2010 · 11 co-filers$4.5M WORDLOCK INCApr 2010 · 11 co-filers$1.6M CERVILENZ INCMay 2009 · 8 co-filers$4.0M Wordlock IncMar 2009 · 9 co-filers$2.0M

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