Investor · Philadelphia, PA
Jonathan Propper
Open Jonathan in the network graph →Filings
19
SEC Form D
Connections
113
co-filers
Capital
$10.9M
across filings
Active
Jul 2016
to May 2020
Most-connected co-filers (113)
Todd Sandler · Philadelphia, PA17 sharedAndrew Brickman · Philadelphia, PA12 sharedRichard Gorelick · Austin, TX9 sharedDavid S. Valenti · Austin, TX7 sharedAndre S. Granzotti · Decatur, IL7 sharedJeffrey S. Heller · Florham Park, NJ7 sharedTrevor M. Thomas · VANCOUVER, British Columbia, Canada7 sharedSteven A. Decker · VANCOUVER, British Columbia, Canada7 sharedRonald W. Thiessen · VANCOUVER, British Columbia, Canada7 sharedRobert A. Dickinson · VANCOUVER, British Columbia, Canada7 sharedTodd M. Gooding · Portland, OR7 sharedKevin Foltz · Glendale, CO7 sharedSladen L. Spencer · Hendersonville, TN7 sharedBrent Beshore · Columbia, MO7 sharedDavid C. Laing · VANCOUVER, British Columbia, Canada7 sharedStephen M. Hodgson · VANCOUVER, British Columbia, Canada7 sharedDoug M. Allen · VANCOUVER, British Columbia, Canada7 sharedRoger A. Early · Philadelphia, PA7 sharedBruce M. Jenkins · VANCOUVER, British Columbia, Canada7 sharedDesmond M. Balakrishnan · VANCOUVER, British Columbia, Canada7 sharedSean M. Magee · VANCOUVER, British Columbia, Canada7 sharedChristian G. Milau · VANCOUVER, British Columbia, Canada7 sharedDavid A. Granzotti · Austin, TX7 sharedJennifer S. Tanguy · Houston, TX7 shared
Recent filings (19)
Nocion Therapeutics, Inc.Mar 2026 · 9 co-filers$23.0MDropps, PBCApr 2025 · 14 co-filers$3.5MDropps, PBCApr 2025 · 14 co-filers$3.5MNorthside Entertainment Holdings, LLCJan 2025 · 2 co-filers$284.5MNocion Therapeutics, Inc.Mar 2024 · 28 co-filers$70.0MCOT N WASH INCMar 2024 · 14 co-filers$6.0MCOT N WASH INCMar 2024 · 14 co-filers$6.0MNorthside Entertainment Holdings, LLCSep 2022 · 2 co-filers$137.9MSTEADY STATE LLCSep 2022 · 16 co-filers$12.0MSTEADY STATE LLCApr 2022 · 14 co-filers$10.0MNORTHERN DYNASTY MINERALS LTDMay 2020 · 42 co-filers$293KCOT N WASH INCFeb 2020 · 12 co-filers$10.0MNORTHERN DYNASTY MINERALS LTDJan 2020 · 42 co-filers$733KNORTHERN DYNASTY MINERALS LTDApr 2019 · 42 co-filers$200KNORTHERN DYNASTY MINERALS LTDJan 2019 · 42 co-filers$2.5MNORTHERN DYNASTY MINERALS LTDJan 2019 · 42 co-filers$2.5MNORTHERN DYNASTY MINERALS LTDJan 2019 · 42 co-filers$2.5MMorphic Holding, LLCOct 2018 · 30 co-filers$80.0MCOT N WASH INCDec 2017 · 12 co-filers$1.0MMorphic Holding, LLCJul 2016 · 22 co-filers$51.5MNORTHERN DYNASTY MINERALS LTDJul 2016 · 36 co-filers$95K
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Jonathan in the interactive graph →