Investor · Cleveland, OH

Dave C. Youngberg

Open Dave in the network graph →

Filings

9

SEC Form D

Connections

55

co-filers

Capital

$28.6M

across filings

Active

Aug 2016

to Aug 2025

Most-connected co-filers (55)

Michael C. Chuisano · Cleveland, OH6 shared Alan E. Mitrani · Englewood, NJ3 shared Greg M. Maletsky · Highland Park, IL3 shared Jonathan Friesel · New York, NY3 shared Nicholas Kalaitzandonakes · Maryland Heights, MO3 shared Jeffrey M. Drazan · Foster City, CA3 shared Michael V. Scanio · Boston, MA3 shared Maria E. Bennett · Cleveland, OH3 shared David A. Kornbluth · Orange Village, OH3 shared Hamish H. Burt · New York, NY3 shared Kenneth C. Largess · Boston, MA3 shared Jeff R. Knupp · Chicago, IL3 shared Barry Kemp · Montecito, CA3 shared Geoffrey B. Thrope · Cleveland, OH3 shared Robert D. Gerstner · Pittsford, NY3 shared Andrew V. Kraus · Boston, MA3 shared Josh C. Boggs · Cleveland, OH3 shared Mark C. Stulz · Cleveland, OH3 shared William M. Lallatin · New York, NY3 shared Tobin Fisher · San Leandro, CA3 shared Joe Van Niekerk · San Leandro, CA3 shared Gordon A. Schaeffer · Santa Fe, NM3 shared Scott Radell · San Francisco, CA3 shared Laurence Mark · Beverly Hills, CA3 shared

Recent filings (9)

I Invented Post Its NYC Ltd Liability CoAug 2025 · 11 co-filers$4.5M I Invented Post Its NYC Ltd Liability CoJun 2022 · 11 co-filers$19.0M SPR Therapeutics, Inc.Aug 2021 · 26 co-filers$35.0M Connected Signals, Inc.Oct 2019 · 13 co-filers$1.0M SPR Therapeutics, Inc.Jan 2019 · 26 co-filers$20.0M Connected Signals, Inc.Aug 2017 · 9 co-filers$2.5M SPR Therapeutics, LLCMay 2017 · 20 co-filers$3.0M R&M ENHANCEMENT LLCAug 2016 · 6 co-filers$2.5M Connected Signals, Inc.Aug 2016 · 14 co-filers$1000K

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