Investor · Lowell, MA

Norbert D. Riedel

Open Norbert in the network graph →

Filings

10

SEC Form D

Connections

189

co-filers

Capital

$36.3M

across filings

Active

May 2022

to Jan 2025

Most-connected co-filers (189)

Stephen L. Pilch · SAN FRANCISCO, CA7 shared Robin Readnour · Nashville, TN5 shared Brent L. Paris · Jacksonville Beach, FL5 shared Brian Kopp · Tampa, FL5 shared Byron Smith · NEW YORK, NY5 shared Pj Anand · Lowell, MA3 shared Christopher Ritter · Chicago, IL3 shared Brian Hirsch · NEW YORK, NY3 shared James Paul · Chicago, IL3 shared Nathan Rosenstock · Chicago, IL3 shared Stephen D. Oesterle · SCOTTSDALE, AZ3 shared Faisal Masud · Seattle, WA3 shared Cameron Durrant · Concord, MA3 shared Elaine Russell · Chicago, IL3 shared Heath Wilson · Knoxville, TN2 shared Joseph Odom · Knoxville, TN2 shared Edgar D. Jannotta · Lowell, MA2 shared Igor Shaltanov · Encino, CA2 shared Larry Page · Seattle, WA2 shared Raffi Kamber · San Francisco, CA2 shared Stephen M. Gornick · Golden, CO2 shared Reynir Indahl · STOCKHOLM, V72 shared Kip Johann-Berkel · San Mateo, CA2 shared Christian Melby · STOCKHOLM, V72 shared

Recent filings (10)

Crafty Holdings, Inc.Mar 2026 · 5 co-filers$15.0M Crafty Holdings, Inc.Dec 2025 · 19 co-filers$1.0M Alcyone Therapeutics, Inc.Jan 2025 · 20 co-filers$31.6M Alcyone Therapeutics, Inc.Jan 2025 · 20 co-filers$31.6M Crafty Holdings, Inc.Jun 2024 · 17 co-filers$10.0M Crafty Holdings, Inc.Dec 2023 · 17 co-filers$18K Alcyone Therapeutics, Inc.Nov 2023 · 20 co-filers$31.6M Alcyone Therapeutics, Inc.Nov 2023 · 20 co-filers$31.6M Singular Ventures IINov 2023 · 7 co-filers EP Atlantic Rim LLCOct 2022 · 4 co-filers$1.9M Singular Ventures IIMay 2022 · 7 co-filers 2021 Permian Basin JV, GPMay 2022 · 193 co-filers

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