Investor · Wexford, PA

Mat Simmons

Open Mat in the network graph →

Filings

6

SEC Form D

Connections

58

co-filers

Capital

$43.0M

across filings

Active

Aug 2021

to Oct 2025

Most-connected co-filers (58)

Aurelia N. Lonchamp · Grand Duchy of Luxembourg, Luxembourg2 shared Jenny Yang · Vancouver, British Columbia, Canada2 shared Douglas G. Watson · Fort Lauderdale, FL2 shared John Sutlic · Grand Cayman, Cayman Islands2 shared David Richmond · MANSFIELD, MA2 shared George E. Fazio · SAN RAMON, CA2 shared Craig C. Nerenberg · New York, NY2 shared Sven Zabka · Santa Rosa, CA2 shared L. T. Gregory · CHICAGO, IL2 shared Richard T. Jander · CHICAGO, IL2 shared Thibault Basquin · PARIS, I02 shared Ray Duggins · NEW YORK, NY2 shared Mark Davidson · NEW YORK, NY2 shared Michael N. Taglich · Cold Spring Harbor, NY2 shared Mark Ravich · SAN RAMON, CA2 shared Vladimir Colas · New York, NY2 shared Mark Benedetti · New York, NY2 shared Alex P. Chi · New York, NY2 shared William Abbott · SAN RAMON, CA2 shared Justin H. Betzen · New York, NY2 shared Martin R. Laidlaw · Grand Cayman, Cayman Islands2 shared Raymond Cohen · SAN RAMON, CA2 shared Cynthia S. Ansari · Fort Collins, CO2 shared James Dillon · SAN RAMON, CA2 shared

Recent filings (6)

SIMM Cap Fund IV LLCOct 2025 · 2 co-filers$50.0M SIMM Cap Fund IV LLCNov 2022 · 2 co-filers$50.0M BIOVENTRIX INCApr 2022 · 41 co-filers$10.0M Integrated Investment Manager (SPV I), LLCAug 2021 · 14 co-filers$25.5M Integrated Investment Manager (SPV I), LLCAug 2021 · 14 co-filers$25.5M BIOVENTRIX INCAug 2021 · 34 co-filers$45.0M

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