Investor · Bozeman, MT

Dustin Diefenderfer

Open Dustin in the network graph →

Filings

9

SEC Form D

Connections

25

co-filers

Capital

$1.2M

across filings

Active

Jul 2019

to Feb 2026

Most-connected co-filers (25)

Michael Finn · Santa Rosa, CA5 shared Ryan Mahon · Greenwich, CT5 shared Simon D. Pillar · SYDNEY, Channel Islands4 shared Jonathan M. Farber · Westport, CT4 shared Peter E. Newbald · ST HELIER, Y94 shared Michael D. Adams · ST. HELIER, Y94 shared John T. Reynolds · Westport, CT4 shared Susan M. Oswald · Westport, CT4 shared Lime Rock New Energy Gp Ii, L.P · Westport, CT3 shared Daniel P. Cooper · LONDON, United Kingdom2 shared Cristobal A. Cuart Guitart · London, United Kingdom2 shared Axel Ragnarsson · Chester, NH2 shared Anthony F. Palazzo · Milton, GA2 shared Michael T. Winton · Haddonfield, NJ2 shared M. Lime Rock Management Lp · Westport, CT2 shared Lime Rock New Energy Gp, L.P · Westport, CT2 shared Lime Rock Management Lp · Westport, CT2 shared Lime Rock New Energy Gp Ii, L.P · Westport, CT2 shared M. Lime Rock Management Lp · Westport, CT2 shared Lime Rock New Energy Gp, L.P · Westport, CT2 shared Lime Rock Management Lp · Westport, CT2 shared Lime Rock New Energy Gp Ii, L.P · Westport, CT2 shared Jeffrey Sica · Morristown, NJ1 shared CS Manager, LLC · Morristown, NJ1 shared

Recent filings (9)

LRNE II-Iconic Coinvestment, L.P.Feb 2026 · 4 co-filers Lime Rock New Energy II, L.P.Jun 2024 · 13 co-filers$500.0M Lime Rock New Energy II, L.P.Jun 2024 · 13 co-filers$800.0M LRNE-Power Takeoff Coinvestment, L.P.Aug 2023 · 12 co-filers MTNTough Inc.Jan 2023 · 2 co-filers$2.0M MTNTough Inc.May 2022 · 2 co-filers$500K CS Netcong, LLCJun 2021 · 5 co-filers$4.0M LRNE-QM Coinvestment, L.P.Jun 2021 · 12 co-filers CS Netcong, LLCJul 2019 · 3 co-filers$4.0M

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