Investor · Mt. Kisco, NY

Matthew Simpson

Open Matthew in the network graph →

Filings

11

SEC Form D

Connections

62

co-filers

Capital

$37.9M

across filings

Active

Apr 2011

to Feb 2026

Most-connected co-filers (62)

Dave Porter · TORONTO, Ontario, Canada5 shared Bruce Humphrey · Tulsa, OK5 shared Brian Dalton · St. John's, Newfoundland and Labrador, Canada3 shared John Baker · Oberlin, OH3 shared Stan Bharti · Toronto, Ontario, Canada3 shared Todd Burlingame · Vancouver, British Columbia, Canada2 shared Fountain Opportunities Gp Llc · Mt. Kisco, NY2 shared Bernard Potvin · Vancouver, British Columbia, Canada2 shared Pierre Pettigrew · Toronto, Ontario, Canada2 shared Matthew Barba · Boston, MA2 shared Jerry Kocak · Beachwood, OH2 shared Fountain Opportunities Gp Llc · West Harrison, NY2 shared Frank D. Mendicino, Iii · Denver, CO2 shared Gary Norris · Vancouver, British Columbia, Canada2 shared Patrick N. Gleeson · Toronto, Ontario, Canada2 shared Joseph L. Meibergen Iii · Enid, OK2 shared Tayfun Eldem · North Vancouver, British Columbia, Canada2 shared Fountain Opportunities Gp Llc · Mt. Kisco, NY2 shared Jimmy M. Stallings · Erick, OK2 shared David Gallers · Mt. Kisco, NY2 shared John Detmold · TORONTO, Ontario, Canada2 shared Clark W. Harris · WILSON, NC2 shared Andrew D. Collins · Denver, CO2 shared Keith Santorelli · Vancouver, British Columbia, Canada2 shared

Recent filings (11)

Brazil Potash Corp.Feb 2026 · 7 co-filers$28.0M Fi3 - ACP Fund 2022, LPAug 2022 · 9 co-filers$7.5M Fi3 - ACP Fund 2022, LPAug 2022 · 9 co-filers$7.5M Fountain Opportunities LPMay 2022 · 6 co-filers Fountain Opportunities LPMay 2022 · 6 co-filers Fountain Opportunities LPMay 2021 · 6 co-filers Fountain Opportunities LPMay 2021 · 6 co-filers Black Iron Inc.Oct 2019 · 13 co-filers$3.1M Black Iron Inc.Oct 2019 · 13 co-filers$3.1M GETBEEZY LLCJan 2013 · 3 co-filers GETBEEZY LLCJan 2013 · 3 co-filers Alderon Iron Ore Corp.Sep 2012 · 26 co-filers$9.2M Alderon Iron Ore Corp.Jan 2012 · 21 co-filers$39.3M GETBEEZY LLCAug 2011 · 3 co-filers GETBEEZY LLCAug 2011 · 3 co-filers Black Iron Inc.Apr 2011 · 18 co-filers$1.6M Black Iron Inc.Apr 2011 · 18 co-filers$1.6M ALDERON RESOURCE CORP.Dec 2010 · 16 co-filers$716K

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