Investor · Grand Rapids, MI

Matt Ahearn

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Filings

9

SEC Form D

Connections

91

co-filers

Capital

$2.5M

across filings

Active

Jul 2019

to Aug 2025

Most-connected co-filers (91)

Ryan Roeder · Grand Rapids, MI4 shared Steven Foster · Grand Rapids, MI4 shared Dave Wolcott · Sarasota, FL2 shared Jason Parikh · Norfolk, VA2 shared Martin Steyn · Grand Cayman, Cayman Islands2 shared Brian A. Borton · La Jolla, CA2 shared Nicolas Ibanez · NEW YORK, NY2 shared James Shephard · Eugene, OR2 shared Michael Kamis · Calgary, Alberta, Canada2 shared Matthew Ahearn · Grand Rapids, MI2 shared E. D. Bell · Greensboro, NC2 shared August J. Peterson · Austin, TX2 shared Shili Zhan · Annandale, VA2 shared John A. Coelho · La Jolla, CA2 shared Michele Zimba · Eugene, OR2 shared Robert Shattuck · Holladay, UT2 shared Mark Dumas · Norfolk, VA2 shared Michael B. Schoenfeld · San Juan, Puerto Rico2 shared Samuel B. Silverman · San Juan, Puerto Rico2 shared Adrian N. Cronje · Atlanta, GA2 shared Mark Bell · Atlanta, GA2 shared Yasuo Mihashi · Tokyo, M02 shared Toshimitsu Urabe · Tokyo, M02 shared Geoff C. Ruddick · Grand Cayman, Cayman Islands2 shared

Recent filings (9)

ADVANTEST CORPAug 2025 · 100 co-filers HAPPE Spine, LLCAug 2025 · 11 co-filers$2.1M ADVANTEST CORPSep 2024 · 97 co-filers$163.5M HAPPE Spine, LLCAug 2024 · 11 co-filers$1.5M

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