Investor · Scottsdale, AZ
Matthew Stein
Open Matthew in the network graph →Capital
$2.6M
across filings
Active
Apr 2023
to Nov 2025
Most-connected co-filers (38)
Julie Roy · Elkhorn, NE8 sharedCraige Stout · Royal Oak, MI6 sharedJeff Risius · Royal Oak, MI6 sharedStephen Chipman · Royal Oak, MI6 sharedEric Westerkamp · Boulder, CO6 sharedJason D. Drattell · Larchmont, NY6 sharedAlan Bowser · Royal Oak, MI6 sharedKathy Reiland · New York, NY5 sharedTagar B. Olson · New York, NY5 sharedJeff B. Livingston · New York, NY5 sharedGrit Topco Gp, Llc · New York, NY4 sharedGrit Topco Gp, Llc · New York, NY4 sharedGrit Topco Gp, Llc · New York, NY4 sharedJohn C. Backus Jr · RESTON, VA3 sharedTarlis R. Thompson · Fishers, IN3 sharedFrederick I. Kanyike · Gibraltar, J12 sharedSigalow Ian · New York, NY2 sharedJennifer A. Schretter · ARLINGTON, VA2 sharedPROOF Management, LLC · RESTON, VA2 sharedN.A. ONE Fund Management S.A · Howald, Luxembourg2 sharedTerry M. Phillips · Midlothian, VA2 sharedPeter C. Kreslins Jr · Weston, FL2 sharedAdam Williams · Scottsdale, AZ2 sharedNikunj Bajaj · San Francisco, CA2 shared Recent filings (13)
ECM Fund 62 LLCNov 2025 · 8 co-filers$2.5MECM Fund 62 LLCNov 2025 · 8 co-filers$2.5MECM Fund 61 LLCOct 2025 · 8 co-filers$3.0MECM Fund 61 LLCOct 2025 · 8 co-filers$3.0MStout Holdings Management Aggregator II, L.P.Aug 2025 · 17 co-filersStout Holdings Management Aggregator I, L.P.Aug 2025 · 17 co-filersStout Holdings Management Aggregator IV, L.P.Aug 2025 · 17 co-filersStout Holdings Management Aggregator III, L.P.Aug 2025 · 17 co-filersStout Holdings, L.P.Jul 2025 · 20 co-filersGrit Parent, Inc.Jul 2025 · 17 co-filersGC Co-Invest FR, L.P.Apr 2024 · 5 co-filers$16.6MPROOF III RMDI, LLCJul 2023 · 9 co-filers$1.1MPROOF Acquisition Sponsor I, LLCJul 2023 · 11 co-filers$8.6MGC Co-Invest FR, L.P.Apr 2023 · 5 co-filers$16.6MPROOF III CBSI LLCApr 2023 · 9 co-filers$1.8M Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Matthew in the interactive graph →