Investor · Chicago, IL

Norbert Riedel

Open Norbert in the network graph →

Filings

3

SEC Form D

Connections

20

co-filers

Capital

$117.0M

across filings

Active

Apr 2019

to Nov 2025

Most-connected co-filers (20)

Norbert G. Riedel · Evanston, IL3 shared Pj Anand · Lowell, MA1 shared Richard Upton · Pittsburgh, PA1 shared Patrick Ritschel · Durham, NC1 shared Matthew Romney · Salt Lake City, UT1 shared Edgar D. Jannotta Jr · Lowell, MA1 shared Stephen D. Oesterle · SCOTTSDALE, AZ1 shared Jennifer Wellman · Durham, NC1 shared Jacqueline Grant · Durham, NC1 shared Christina Isacson · Durham, NC1 shared Craig Murli · EMERYVILLE, CA1 shared Gabriel K. Segal · VANCOUVER, British Columbia, Canada1 shared Judson K. Lacapra · VANCOUVER, British Columbia, Canada1 shared Chris Carpenter · Durham, NC1 shared Gretchen Johnson · Chicago, IL1 shared Peter Courossi · Chicago, IL1 shared Joseph Leventhal · Chicago, IL1 shared Joseph Zakrzewski · Montreal, Quebec, Canada1 shared David S. Donabedian · Boston, MA1 shared Cameron Durrant · Concord, MA1 shared

Recent filings (3)

Neela Therapeutics, Inc.Nov 2025 · 14 co-filers$13.5M Atsena Therapeutics, Inc.Apr 2025 · 17 co-filers$150.0M TRACT Therapeutics, Inc.Apr 2019 · 7 co-filers$15.0M

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