Investor · SEATTLE, WA

Tobin Arthur

Open Tobin in the network graph →

Filings

4

SEC Form D

Connections

10

co-filers

Capital

$37.7M

across filings

Active

Dec 2009

to Nov 2025

Most-connected co-filers (10)

Soumya Das · Palo Alto, CA1 shared Kareem A. Irfan · Palo Alto, CA1 shared Michael Raymer · Raleigh, NC1 shared Robert Crimmins · Seattle, WA1 shared Scott Pomeroy · Littleton, CO1 shared Michael Tapp · Englewood, CO1 shared Tensie Axton · Englewood, CO1 shared Brooke Turk · Englewood, CO1 shared George Emley · Denver, CO1 shared David Brody · Denver, CO1 shared

Recent filings (4)

XTI Aerospace, Inc.Nov 2025 · 15 co-filers$25.0M XTI Aerospace, Inc.Nov 2025 · 15 co-filers$25.0M AngelMD, Inc.Aug 2020 · 5 co-filers$12.1M AngelMD, Inc.Aug 2020 · 5 co-filers$12.1M angelMD, Inc.Jan 2014 · 1 co-filer$1.5M angelMD, Inc.Jan 2014 · 1 co-filer$1.5M IMEDEXCHANGE INCDec 2009 · 2 co-filers$5.0M IMEDEXCHANGE INCDec 2009 · 2 co-filers$5.0M

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