Investor · New York, NY

Gregg Rubin

Open Gregg in the network graph →

Filings

53

SEC Form D

Connections

241

co-filers

Capital

$22.7M

across filings

Active

Jul 2013

to Mar 2019

Most-connected co-filers (241)

Jonathan Flint · Phoenix, AZ31 shared Grace Ray · New York, NY24 shared Howard Socol · NEW YORK, NY21 shared Sarah Flint · NEW YORK, NY21 shared Anthony Sciortino · New York, NY16 shared Hallbjorn Karlsson · New York, NY16 shared Kimberly D. Nemser · NEW YORK, NY16 shared John Heath · New York, NY12 shared Michael Robinson · Cleveland, OH10 shared Mike D. Fitzgerald · Indianapolis, IN10 shared Roann Costin · NEW YORK, NY9 shared David Albertsson · New York, NY9 shared Nicolaas Bevers · New York, NY8 shared Mark Alexander · New York, NY8 shared Michael Williams · Vancouver, British Columbia, Canada7 shared Doug Flegg · Vancouver, British Columbia, Canada7 shared David Baker · Vancouver, British Columbia, Canada7 shared B. C. Smith · Dallas, TX7 shared Spencer C. Brott · Dallas, TX7 shared Eric D. Tobias · Indianapolis, IN7 shared Kristian D. Andersen · Indianapolis, IN7 shared James Landau · Whippany, NJ7 shared Peter Voulgaris · Vancouver, British Columbia, Canada7 shared Daniel Brown · Cleveland, OH7 shared

Recent filings (53)

Icelandic Provisions, Inc.Oct 2025 · 32 co-filers$1.7M Sarah Flint, Inc.Aug 2024 · 13 co-filers$11.8M Sarah Flint, Inc.Aug 2024 · 13 co-filers$11.8M High Alpha Capital Fund IV, L.P.Jun 2024 · 11 co-filers$125.0M Tenon Software, Inc.May 2024 · 9 co-filers$8.0M High Alpha Capital Fund IV, L.P.Feb 2024 · 11 co-filers$110.0M High Alpha Capital Fund IV-A, L.P.Feb 2024 · 11 co-filers$15.0M High Alpha Capital IV, L.P.Jan 2024 · 11 co-filers$110.0M High Alpha Capital IV-A, L.P.Jan 2024 · 11 co-filers$15.0M Zero6 Clean Energy Assets, Inc.Dec 2023 · 14 co-filers$11.5M Cellebration Life Sciences, Inc.Aug 2023 · 11 co-filers$20.0M Sarah Flint, Inc.Aug 2023 · 23 co-filers$750K DemandWell, Inc.Jun 2023 · 4 co-filers$1.6M Icelandic Provisions, Inc.May 2023 · 32 co-filers$20.0M Vendetta Mining Corp.Feb 2023 · 18 co-filers$342K Icelandic Provisions, Inc.Jan 2023 · 26 co-filers$11.5M Sarah Flint, Inc.Dec 2022 · 23 co-filers$6.0M Icelandic Provisions, Inc.Aug 2022 · 26 co-filers$8.5M Juhl Clean Energy Assets, Inc.Jun 2022 · 14 co-filers$11.5M Cellebration Life Sciences, Inc.Jun 2022 · 11 co-filers$20.0M Cellebration Life Sciences, Inc.May 2022 · 11 co-filers$20.0M Sarah Flint, Inc.Apr 2022 · 23 co-filers$5.0M Icelandic Provisions, Inc.Apr 2022 · 26 co-filers$5.0M Icelandic Provisions, Inc.Nov 2021 · 17 co-filers$10.6M Icelandic Provisions, Inc.Nov 2021 · 17 co-filers$10.6M

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