Investor · Austin, TX

David Mather

Open David in the network graph →

Filings

14

SEC Form D

Connections

23

co-filers

Capital

$14.5M

across filings

Active

Mar 2010

to Oct 2025

Most-connected co-filers (23)

Robert Dimatteo · Austin, TX11 shared Anastasios Parafestas · Boston, MA10 shared Stephen J. Ciesinski · San Mateo, CA5 shared Henry Nothhaft · PALO ALTO, CA5 shared John P. Rohal · Menlo Park, CA5 shared Gary Griffiths · Calgary, Alberta, Canada5 shared James A. Kasten · PRINCE GEORGE, British Columbia, Canada3 shared Peter E. Hardychuk · PRINCE GEORGE, British Columbia, Canada3 shared Frank Meehan · PALO ALTO, CA3 shared Frank Egan · Cambridge, MA3 shared Jerry A. Kristian · PRINCE GEORGE, British Columbia, Canada3 shared Paul F. Stagner · Gulf Breeze, FL2 shared Jerry C. Bello · Windermere, FL2 shared Robert S. Majteles · Oakland, CA2 shared Mark Little · WOBURN, MA2 shared Marc Poirier · Austin, TX2 shared Jason Wong · PALO ALTO, CA2 shared Daniel Shea · Canton, MI1 shared Doug Farr · Canton, MI1 shared Yeshaya Dobrusin · Canton, MI1 shared Jason Blumberg · Mill Valley, CA1 shared Anastaslos Parafestas · Austin, TX1 shared William Mark · PALO ALTO, CA1 shared

Recent filings (14)

NxLite Technologies Inc.Oct 2025 · 9 co-filers$9.5M NxLite Technologies Inc.Oct 2025 · 9 co-filers$9.5M MTPV Power CorpSep 2018 · 8 co-filers$23.9M MTPV Power CorpSep 2018 · 8 co-filers$23.9M MTPV Power CorpDec 2016 · 9 co-filers$5.0M MTPV Power CorpDec 2016 · 9 co-filers$5.0M MTPV Power CorpJul 2014 · 7 co-filers$11.3M MTPV Power CorpJul 2014 · 7 co-filers$11.3M TRAPIT, INC.Jan 2013 · 9 co-filers$1.0M TRAPIT, INC.Sep 2012 · 9 co-filers$1.9M MTPV Power CorpJan 2012 · 4 co-filers$3.5M MTPV Power CorpJan 2012 · 4 co-filers$3.5M TRAPIT, INC.Dec 2011 · 7 co-filers$5.8M TRAPIT, INC.Oct 2011 · 7 co-filers$5.8M MTPV, LLCAug 2011 · 5 co-filers$8.5M MTPV, LLCAug 2011 · 5 co-filers$330K MTPV LLCMar 2011 · 5 co-filers$400K TRAPIT, INC.Oct 2010 · 9 co-filers$1.0M MTPV LLCMar 2010 · 5 co-filers$1.1M MTPV LLCMar 2010 · 5 co-filers$1.1M

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