Ledger.
Investor · Newark, NJ

Robert Jacks

Open Robert in the network graph →
Filings
4
SEC Form D
Connections
21
co-filers
Capital
$78.9M
across filings
Active
May 2016
to Jul 2025

Most-connected co-filers (21)

Klaus Veitinger · Newark, NJ4 sharedPeter Thompson · New York, NY3 sharedJonathan Root · San Francisco, CA2 sharedNiall O'Donnell · San Diego, CA2 sharedSusan E. Hodgkinson · New York, NY1 sharedDavid Crisalli · Paradise Valley, AZ1 sharedJ.D. T. Murphy · Bethesda, MD1 sharedDaniel T. Thomas · Bethesda, MD1 sharedKaren G. Dawes · TORONTO, Ontario, Canada1 sharedZach Scheiner · Laguna Hills, CA1 sharedClive D. Harris · Grand Cayman, Cayman Islands1 sharedNanna L?Neborg · Portland, OR1 sharedZach Scheiner · Del Mar, CA1 sharedThomas Beck · Newark, NJ1 sharedJoseph Amprey · Newark, NJ1 sharedRishi Gupta · Cambridge, MA1 sharedBen Auspitz · DURHAM, NC1 sharedTaylor Lauber · Allentown, PA1 sharedDavid S. Katz · CHICAGO, IL1 sharedChristopher J. Kenny · Chicago, IL1 sharedMichael S. Weiss · New York, NY1 shared

Recent filings (4)

Sparrow Pharmaceuticals, Inc.Jul 2025 · 13 co-filers$121.4MSparrow Pharmaceuticals, Inc.Jul 2025 · 13 co-filers$121.4MSparrow Pharmaceuticals, Inc.Apr 2024 · 9 co-filers$15.3MSparrow Pharmaceuticals, Inc.Apr 2024 · 9 co-filers$15.3MSparrow Pharmaceuticals, Inc.Jan 2021 · 8 co-filers$50.8MSparrow Pharmaceuticals, Inc.Jan 2021 · 8 co-filers$50.8MSymbiomix Therapeutics, LLCMay 2016 · 17 co-filers$6.0M

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