Investor · Los Angeles, CA

Ernst Sack

Open Ernst in the network graph →

Filings

4

SEC Form D

Connections

20

co-filers

Capital

$42.9M

across filings

Active

Nov 2019

to Oct 2025

Most-connected co-filers (20)

Ernst Sack · San Francisco, CA4 shared Nikhil Saralkar · SAN JOSE, CA1 shared Amrit Robbins · SAN JOSE, CA1 shared William Clark · Washington, Washington, D.C.1 shared Jeff N. Lucassen · Toronto, Ontario, Canada1 shared Roderick N. Gadsby · Toronto, Ontario, Canada1 shared Joseph R. Hutts · BRENTWOOD, TN1 shared Pridhviraj Nandarapu · BRENTWOOD, TN1 shared Doyle A. Flaherty · Philadelphia, PA1 shared Jessica Pacheco · Phoenix, AZ1 shared Hayley Nystrom · Washington, Washington, D.C.1 shared Hank Hattemer · Washington, Washington, D.C.1 shared Bradley Fox · Phoenix, AZ1 shared Jerrold Vincent · Phoenix, AZ1 shared Blue Bear Capital Ii, Llc · Los Angeles, CA1 shared Blue Bear Investment Group, Llc · Los Angeles, CA1 shared Vaughn Blake · Sherman Oaks, CA1 shared Blue Bear Capital Ii, Llc · Los Angeles, CA1 shared Mark Scianna · Campbell, CA1 shared Blue Bear Investment Group, Llc · Los Angeles, CA1 shared

Recent filings (4)

Nuclearn Inc.Oct 2025 · 7 co-filers$12.0M Parametrix Group Holdings, Inc.Sep 2024 · 8 co-filers$10.3M AXIOM CLOUD INC.Nov 2022 · 7 co-filers$15.3M Blue Bear Capital Partners II, LPNov 2019 · 7 co-filers

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