Investor · Chicago, IL

David C. Dieffenbacher

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Filings

53

SEC Form D

Connections

168

co-filers

Capital

$17.2M

across filings

Active

Feb 2012

to Jan 2015

Most-connected co-filers (168)

Eric S. Baer · Chicago, IL29 shared Levoyd E. Robinson · Chicago, IL27 shared Bradford B. Couri · Chicago, IL18 shared Steven J. Novatney · Chicago, IL16 shared Peter Wu · Singapore, U013 shared Justin Macneil · Hamilton, Bermuda13 shared Samantha Le Marquand · St. Peter Port, Y713 shared Jason G. Sneah · Grand Cayman, Cayman Islands13 shared Julian Tay · Broomfield, CO12 shared Sean M. Haas · Chicago, IL12 shared John R. Gordon · Chicago, IL10 shared Gavin J. Cross · Chicago, IL8 shared Robert P. Mckinney · Little Rock, AR7 shared Stephon W. Barnes · Chicago, IL6 shared David R. Borchardt · West Bend, WI5 shared Scott A. Tennies · West Bend, WI5 shared Cfip Opportunistic Credit Iii Gp, Llc · Chicago, IL5 shared Thomas C. Hopp · West Bend, WI5 shared Cory J. Davis · West Bend, WI5 shared Cfip Opportunistic Credit Iii Gp, Llc · Chicago, IL5 shared Mark G. Sellers · West Bend, WI5 shared Cynthia Ringo · San Francisco, CA4 shared Adam A. Piatkowski · Newtown Square, PA4 shared Fahri Diner · Milpitas, CA4 shared

Recent filings (53)

Bunker Hill Mining Corp.Mar 2026 · 5 co-filers$21.0M Bunker Hill Mining Corp.Oct 2025 · 16 co-filers$37.5M CFIP Opportunistic Credit Onshore Fund III, LPSep 2025 · 19 co-filers CFIP Opportunistic Credit Offshore Fund III, LPSep 2025 · 19 co-filers CFIP Opportunistic Credit Offshore Fund III, LPSep 2025 · 19 co-filers CFIP Opportunistic Credit Onshore Fund III, LPSep 2025 · 19 co-filers Coral Ventures LPJun 2025 · 11 co-filers Coral DeFi LPJun 2025 · 11 co-filers CFIP Opportunistic Credit Onshore Fund III, LPSep 2024 · 13 co-filers CFIP Opportunistic Credit Offshore Fund III, LPSep 2024 · 14 co-filers CFIP Opportunistic Credit Offshore Fund III, LPSep 2024 · 14 co-filers CFIP Opportunistic Credit Onshore Fund III, LPSep 2024 · 13 co-filers CRC Single Investor Fund XIX LLCMay 2024 · 7 co-filers Epistemix, Inc.Apr 2024 · 9 co-filers$7.0M Partners Group Secondary VIII ANX (USD) A, L.P.Dec 2023 · 6 co-filers Partners Group Real Estate Opportunities II (USD) A, L.P.Dec 2023 · 6 co-filers Partners Group Real Estate Opportunities II (USD) C-I, L.P.Dec 2023 · 6 co-filers Partners Group Direct Equity V (USD) A, L.P.Nov 2023 · 6 co-filers Partners Group Direct Equity V (USD) C-I, L.P.Sep 2023 · 8 co-filers CFIP Opportunistic Credit Onshore Fund III, LPSep 2023 · 19 co-filers CFIP Opportunistic Credit Offshore Fund III, LPSep 2023 · 19 co-filers CFIP Opportunistic Credit Onshore Fund III, LPSep 2023 · 19 co-filers CFIP Opportunistic Credit Offshore Fund III, LPSep 2023 · 19 co-filers Partners Group Infrastructure Secondary (USD) A, L.P.Aug 2023 · 8 co-filers Partners Group Secondary VIII (USD) C-I, L.P.Aug 2023 · 10 co-filers

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