Investor · HOUSTON, TX
Charles S. Leykum
Open Charles in the network graph →Filings
104
SEC Form D
Connections
300
co-filers
Capital
$941.7M
across filings
Active
Jun 2014
to May 2017
Most-connected co-filers (300)
Charles A. Bolten · St. Louis, MO12 sharedRobert Darrow · Denver, CO12 sharedWilliam Marraccini · Denver, CO12 sharedRandy Pond · PALO ALTO, CA12 sharedMark Hughes · Denver, CO12 sharedLuke Norris · Denver, CO12 sharedGerald S. Cimador · HOUSTON, TX11 sharedDavid Fellers · South San Francisco, CA11 sharedIchiro A. Takesako · SEATTLE, WA10 sharedRonald P. Erickson · SEATTLE, WA10 sharedJeff P. Wilson · SEATTLE, WA10 sharedJonathan Bell · South San Francisco, CA10 sharedJon A. Pepper · SEATTLE, WA10 sharedHarold Logan · San Francisco, CA10 sharedLouise De Putron · South San Francisco, CA9 sharedMatthew S. Kondratowicz · HOUSTON, TX9 sharedCraig D. Cogut · Melbourne, FL9 sharedVivek S. Raj · HOUSTON, TX8 sharedRobert O. Williams, Iii · Austin, TX7 sharedThomas O. Wagner · Greer, SC7 sharedDave Newcomer · Indianapolis, IN6 sharedScott E. Dakers · Grand Cayman, Cayman Islands6 sharedPeter J. Gruber · New York, NY6 sharedMary Allyn · Hergiswil, V86 shared
Recent filings (104)
Hannan Metals Ltd.Dec 2025 · 16 co-filers$725KHannan Metals Ltd.Dec 2025 · 16 co-filers$580KCSL ENERGY VENTURES FUND, L.P.Feb 2022 · 1 co-filerCSL ENERGY VENTURES FUND, L.P.Feb 2022 · 1 co-filerRNWBL, LLCJan 2022 · 3 co-filersRNWBL, LLCJan 2022 · 3 co-filersRanger Energy Services, Inc.Oct 2021 · 19 co-filers$42.0MRanger Energy Services, Inc.Oct 2021 · 19 co-filers$42.0MCSL ENERGY VENTURES FUND, L.P.Feb 2021 · 2 co-filersTonian Holdings, LLCJan 2021 · 3 co-filersTonian Holdings, LLCJan 2021 · 3 co-filersEV Volta SPV LLCDec 2020 · 15 co-filersCSL FUND II PREFERRED OPPORTUNITIES, L.P.Aug 2020 · 2 co-filers$40.0MEV Volta SPV LLCAug 2019 · 29 co-filersRanger Energy Services, Inc.Jun 2019 · 21 co-filers$3.0MRanger Energy Services, Inc.Jun 2019 · 21 co-filers$3.0MENERGY RESERVOIR ONSHORE CO-INVEST FUND, L.P.Apr 2019 · 2 co-filers$18.8MCSL ENERGY OPPORTUNITIES OFFSHORE FUND III, L.P.Nov 2018 · 2 co-filers$500.0MCSL ENERGY OPPORTUNITIES FUND III, L.P.Nov 2018 · 2 co-filers$500.0MIFF NOZ SPV LLCOct 2018 · 37 co-filers$58KIFF Drone SPV LLCJun 2018 · 44 co-filersALEXANDRA CAPITAL CORP.May 2018 · 9 co-filers$214KIFF NOZ SPV LLCDec 2017 · 40 co-filersALEXANDRA CAPITAL CORP.Dec 2017 · 7 co-filers$21KCSL ENERGY OPPORTUNITIES FUND III, L.P.Oct 2017 · 2 co-filers$650.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Charles in the interactive graph →