Ledger.
Investor · Chatsworth, CA

Stephen Koo

Open Stephen in the network graph →
Filings
2
SEC Form D
Connections
16
co-filers
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

Recent filings (2)

SKYRYSE, INC.Oct 2025 · 17 co-filers$192.3MSKYRYSE, INC.Oct 2025 · 17 co-filers$192.3MInnova Gaming Group Inc.May 2015 · 11 co-filers$748KInnova Gaming Group Inc.May 2015 · 11 co-filers$748K

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