Investor · Chicago, IL

Matt O. Rathbun

Open Matt in the network graph →

Filings

2

SEC Form D

Connections

85

co-filers

Capital

$740K

across filings

Active

Mar 2025

to Mar 2026

Most-connected co-filers (85)

Tyler Bloechinger · Winter Park, FL2 shared James Thomason · Las Vegas, NV2 shared John C. Van Leeuwen · Lake Oswego, OR2 shared Andrew Platt · Wayzata, MN2 shared Heinrich Zetlmayer · Steinhausen, V82 shared John Cowan · Las Vegas, NV2 shared Terrance P. Maxwell · MILWAUKEE, WI2 shared Foy H. Tatum · Montgomery, AL2 shared Roy Rose · Lake Oswego, OR2 shared Suzanne Niemeyer · BERWYN, PA2 shared Massimo C. Cutuli · Chicago, IL2 shared Doublas J. Smorag · Beachwood, OH2 shared Mark Galvin · Portsmouth, NH2 shared Steve G. Winick · Old Westbury, NY2 shared Maria R. Chiodi · New York, NY2 shared Ben Jacobson · Boynton Beach, FL2 shared Leo R. Guthart · South San Francisco, CA2 shared John Reeves · Sheridan, WY2 shared Aaron Stearns · WINTER PARK, FL2 shared Doug C. Fettig · Lake Oswego, OR2 shared Grant C. Diggles · Lake Oswego, OR2 shared Jason B. Thompson · Carson City, NV2 shared Gordon G. Pan · CHICAGO, IL2 shared Kwahm Hepburn · GRN CV SPGS, FL2 shared

Recent filings (2)

OPTIONS CLEARING CORPMar 2026 · 31 co-filers OPTIONS CLEARING CORPMar 2025 · 100 co-filers OPTIONS CLEARING CORPMar 2025 · 100 co-filers

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