Investor · Cambridge, MA

Gary Morgenthaler

Open Gary in the network graph →

Filings

41

SEC Form D

Connections

162

co-filers

Capital

$40.7M

across filings

Active

Mar 2013

to Feb 2016

Most-connected co-filers (162)

Bruce Armstrong · Santa Clara, CA10 shared Douglas Murray · Santa Clara, CA10 shared Bill Meehan · Santa Clara, CA7 shared Joseph W. Marino · York, PA6 shared Michael W. Marino · York, PA6 shared Joseph M. Fortunato · BENICIA, CA6 shared Barry Morris · Cambridge, MA6 shared Mike Volpi · Oakland, CA6 shared J. David N. Matter · Seattle, WA6 shared Gabelli & Partners, LLC · Rye, NY6 shared Barclay G. Jones Iii · New York, NY6 shared Whard Stewart (Uk) Llp · Chichester, United Kingdom6 shared Dan Warmehoven · Santa Clara, CA6 shared Gregorius Poort · San Francisco, CA6 shared Mitchell Kertzman · San Francisco, CA5 shared Nilanjana Bhowmik · Cambridge, MA5 shared Carlton G. Amdahl · Menlo Park, CA4 shared Christopher K. Yarbrough · Chicago, IL4 shared Stephen Pollack · Calabasas, CA4 shared David Brisske · New York, NY4 shared Zaid Ayoub · Menlo Park, CA4 shared Maher Fakhouri · Menlo Park, CA4 shared Shaun Nicholson · Glendora, CA4 shared Paul Nardone · New York, NY4 shared

Recent filings (41)

CHCC Troy, LLCFeb 2026 · 2 co-filers$1.5M CHCC Troy, LLCDec 2025 · 7 co-filers$1.5M NuoDB, Inc.Dec 2018 · 13 co-filers$30.6M NuoDB, Inc.Dec 2018 · 13 co-filers$30.6M NuoDB, Inc.Nov 2017 · 11 co-filers$31.8M NuoDB, Inc.Nov 2017 · 11 co-filers$31.8M Big Switch Networks, Inc.Jun 2017 · 19 co-filers$23.5M Big Switch Networks, Inc.May 2016 · 18 co-filers$30.9M Big Switch Networks, Inc.May 2016 · 19 co-filers$35.0M NuoDB, Inc.Feb 2016 · 11 co-filers$17.0M Dallas Proton Treatment Holdings, LLCDec 2015 · 11 co-filers BFY Acquisition Inc.Dec 2015 · 17 co-filers BFY Acquisition Inc.Dec 2015 · 17 co-filers Maryland Proton Treatment Center, LLCDec 2015 · 11 co-filers$20.0M Georgia Proton Treatment Holdings, LLCDec 2015 · 11 co-filers BFY Acquisition Inc.Dec 2015 · 17 co-filers BFY Acquisition Inc.Dec 2015 · 14 co-filers NuoDB, Inc.Mar 2015 · 9 co-filers$14.5M Litespeed Offshore Fund, Ltd.Mar 2014 · 5 co-filers NuoDB, Inc.Feb 2014 · 9 co-filers$16.2M nGame, Inc.Nov 2013 · 6 co-filers$773K Canvas Venture Fund, L.P.Sep 2013 · 5 co-filers$175.0M OVERTURE NETWORKS INCAug 2013 · 20 co-filers$11.7M ArrowTech Fund, L.P.Jun 2013 · 5 co-filers$150.0M OVERTURE NETWORKS INCMay 2013 · 21 co-filers$11.7M

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