Investor · Chatsworth, CA
Stephen Koo
Open Stephen in the network graph →Capital
$167.8M
across filings
Active
May 2015
to Oct 2025
Most-connected co-filers (16)
William Summerlin · Pasadena, CA1 sharedLior Susan · PALO ALTO, CA1 sharedEthan Batraski · EL SEGUNDO, CA1 sharedJoellyn W. Shannon · Nashville, TN1 sharedChris W. Conk · Nashville, TN1 sharedMark Groden · El Segundo, CA1 sharedVittorio Cristini · Houston, TX1 sharedHiren Patel · Houston, TX1 sharedShane Evangelist · El Segundo, CA1 sharedBlake Bilstad · El Segundo, CA1 sharedJames Breslo · Chatsworth, CA1 sharedPaul Van Eyk · STONEY CREEK, Ontario, Canada1 sharedRichard Weil · Chatsworth, CA1 sharedAubrey Zidenberg · STONEY CREEK, Ontario, Canada1 sharedEdward Stanek · Chatsworth, CA1 sharedAndrew Brown · Santa Clara, CA1 shared Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Stephen in the interactive graph →