Investor · New York, NY
Ellen Rosenberg
Open Ellen in the network graph →Filings
31
SEC Form D
Connections
151
co-filers
Capital
$697.5M
across filings
Active
Oct 2019
to Nov 2023
Most-connected co-filers (151)
Dina Colombo · New York, NY24 sharedDavid Ferguson · New York, NY13 sharedChip Baird · New York, NY13 sharedMarat Molyboga, Ph.D · Warrenville, IL10 sharedKelly Wannop · New York, NY10 sharedEli Nagler · New York, NY9 sharedJody Shechtman · New York, NY9 sharedChad Martinson · Warrenville, IL9 sharedMartin G. Brand · New York, NY5 sharedHala Zeine · New York, NY4 sharedJohannes P. Huth · New York, NY4 sharedKerina Natasha Gopaul · New York, NY4 sharedPeter I. Lawrence · New York, NY4 sharedMark Schlageter · Chicago, IL4 sharedPaul Marushka · Chicago, IL4 sharedMitchell M. Cohen · Overland Park, KS4 sharedCollen R. Berry · Overland Park, KS4 sharedChristopher Savoie · Cambridge, MA4 sharedJerry D. Guess · Overland Park, KS4 sharedChristian Waage · San Diego, CA4 sharedStephen T. Baldacci · Overland Park, KS4 sharedChristopher Andres · Carlsbad, CA4 sharedFaheem M. Hasnain · San Diego, CA4 sharedChristopher Slovak · Carlsbad, CA4 shared
Recent filings (31)
GreyLion SLPSTM Holdings LPSep 2025 · 17 co-filersGreyLion SLPSTM Holdings LPSep 2025 · 17 co-filersGreyLion TGNL Holdings LPApr 2025 · 17 co-filersGreyLion TGNL Holdings LPApr 2025 · 17 co-filersNewRoad Fund IV, L.P.Feb 2025 · 17 co-filersNewRoad Fund IV, L.P.Aug 2024 · 17 co-filersGreyLion BE Holdings LPAug 2024 · 13 co-filersGreyLion BE Holdings LPAug 2024 · 13 co-filersPhoton Medical Communications, Inc.Apr 2024 · 14 co-filers$2.5MCenter ID Corp.Nov 2023 · 14 co-filers$50.0MSpark Topco Inc.Nov 2023 · 26 co-filersGreyLion Fund III LPDec 2022 · 14 co-filersGreyLion Fund III B LPDec 2022 · 14 co-filersSpark Topco Inc.Nov 2022 · 26 co-filersPhoton Medical Communications, Inc.Nov 2022 · 14 co-filers$2.5MCenter ID Corp.Oct 2022 · 14 co-filers$15.0MSpark Topco Inc.Feb 2022 · 23 co-filersSpark Topco Inc.Sep 2021 · 19 co-filersSpark Topco Inc.Sep 2021 · 5 co-filersGreyLion Capital Fund III LPSep 2021 · 14 co-filersGreyLion Capital Fund III B LPSep 2021 · 14 co-filersAlucio, Inc.Aug 2021 · 8 co-filers$4.2MAlucio, Inc.Aug 2021 · 8 co-filers$1.9MMedia Capital Technologies Group Inc.Aug 2021 · 23 co-filers$14.7MMedia Capital Technologies Group Inc.Jul 2021 · 23 co-filers$7.5M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Ellen in the interactive graph →