Investor · Seattle, WA

Robert K. Arnold

Open Robert in the network graph →

Filings

11

SEC Form D

Connections

21

co-filers

Capital

—

across filings

Active

Dec 2008

to Feb 2026

Most-connected co-filers (21)

Hunter N. Harrison · FRISCO, CO7 shared Stephane L. Lachance · Grand Cayman, Cayman Islands6 shared Roger H. Hanson · Grand Cayman, Cayman Islands4 shared Jonathan Nicholson · Grand Cayman, Cayman Islands4 shared Gordon A. Gardiner · KIRKLAND, WA4 shared Ralph Woodford · Dublin 1, Ireland4 shared Dan Sperrazza · Buffalo, NY4 shared Joseph Ashley · Seattle, WA4 shared David Thacher · Kirkland, WA4 shared Glenn T. Migliozzi · Lake Forest, IL4 shared Lee Hood · Seattle, WA4 shared Dan Rosen · Seattle, WA4 shared James W. Shepperd · Seattle, WA4 shared Todd M. Smith · Seattle, WA4 shared Rodrigo Umpierrez · Greenwich, CT4 shared Marc Wolpers · Greenwich, CT4 shared Paul Bothner · Wilmington, DE4 shared Amongst Elite Capital Management Llc · London, United Kingdom3 shared Steve Wood · Seattle, WA2 shared William Melton · Vienna, VA2 shared Wood Steve · Seattle, WA1 shared

Recent filings (11)

DAP Investors LPFeb 2026 · 2 co-filers West Street Mezzanine Co-Investment Partners (C), L.P.Oct 2025 · 4 co-filers HotWheels Co-invest LPJul 2025 · 4 co-filers West Street Strategic Solutions II Offshore Feeder LLCJul 2025 · 4 co-filers West Street Strategic Solutions II Offshore LPJul 2025 · 4 co-filers SuperKing Co-Invest LPJul 2025 · 4 co-filers West Street Co-Investment Partners (C), L.P.Jul 2025 · 4 co-filers Geospiza IncSep 2009 · 15 co-filers$550K Geospiza IncApr 2009 · 17 co-filers$845K Geospiza IncFeb 2009 · 17 co-filers$500K Geospiza IncDec 2008 · 16 co-filers$988K

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