Investor · Columbus, OH
William J. Riat
Open William in the network graph →Filings
23
SEC Form D
Connections
105
co-filers
Capital
$17.6M
across filings
Active
Jul 2014
to Apr 2021
Most-connected co-filers (105)
Anthony A. Martin · Columbus, OH15 sharedPaul G. Lukeman · Columbus, OH13 sharedStephen E. Dutton · Columbus, OH11 sharedCRI Management Ltd · Columbus, OH9 sharedFrank M. Benson Iii · Columbus, OH7 sharedJohn A. Vicidomino · Irvine, CA6 sharedPhilip W. Dupree · Irvine, CA6 sharedDon M. Casto Iii · Columbus, OH6 sharedJohn J. Carr · Columbus, OH6 sharedJohn J. Skocilic, Jr · Irvine, CA5 sharedRobert J. Mylod, Jr · Irvine, CA5 sharedLinda M. Swearingen · Columbus, OH5 sharedFrank S. Benson, Iii · Columbus, OH5 sharedDon M. Casto, Iii · Columbus, OH5 sharedAvi Vogel · New York, NY4 sharedA. A. Katz · New York, NY4 sharedSteven S. Siegel · Denver, CO4 sharedHoward Shainker · New York, NY4 sharedNorthern Shipping Fund III GP LLC · Stamford, CT4 sharedThomas Iwanski · West Hollywood, CA4 sharedVincent Mehdizadeh · West Hills, CA4 sharedEric C. Resnick · Denver, CO4 sharedEmerging Sovereign Partners LLC · New York, NY4 sharedMichael S. Shannon · Denver, CO4 shared
Recent filings (23)
Thrive365, LLCFeb 2026 · 5 co-filers$8.0MColumbus Realty Investments, Ltd.Feb 2025 · 23 co-filers$152.0MColumbus Realty Investments, Ltd.Jan 2024 · 23 co-filers$100.0MThrive365, LLCMay 2023 · 17 co-filers$6.0MColumbus Realty Investments, Ltd.May 2023 · 23 co-filers$50.0MColumbus Realty Investments, Ltd.Oct 2022 · 22 co-filers$50.0MThrive365, LLCFeb 2022 · 26 co-filers$3.0MCircle 9 Non-Operated Working Interest Fund I LPOct 2021 · 2 co-filers$100.0MThrive365, LLCJul 2021 · 26 co-filers$2.0MCircle 9 Non-Operated Working Interest Fund I LPJul 2021 · 2 co-filers$100.0MCasto Partners LLCApr 2021 · 20 co-filers$5KGraceland Investors, LLCMar 2019 · 2 co-filers$2.1MColumbus Realty Investments, Ltd.May 2018 · 18 co-filers$55.3MCasto HQ Investors, LLCNov 2016 · 8 co-filers$400KWHITE SQUARE CHEMICAL, INCJul 2016 · 18 co-filers$3.0MColumbus Realty Investments, Ltd.Jan 2016 · 18 co-filers$58.1MCasto Partners LLCSep 2015 · 19 co-filers$780KKSL Capital Partners IV, L.P.Jun 2015 · 19 co-filersKSL Capital Partners IV, L.P.Apr 2015 · 19 co-filersKSL Capital Partners IV, L.P.Jan 2015 · 19 co-filersKSL Capital Partners IV FF, L.P.Jan 2015 · 19 co-filersWHITE SQUARE CHEMICAL, INCJan 2015 · 18 co-filers$1.5MWHITE SQUARE CHEMICAL, INCJul 2014 · 10 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See William in the interactive graph →