Investor · STAMFORD, CT

Carl Williams

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Filings

47

SEC Form D

Connections

202

co-filers

Capital

$1.4B

across filings

Active

Nov 2021

to Jul 2025

Most-connected co-filers (202)

Christopher Hunt · STAMFORD, CT22 shared Alfredo Marti · STAMFORD, CT19 shared German Cueva · STAMFORD, CT19 shared Kenneth Ryan · STAMFORD, CT18 shared Sean Ma · Hong Kong, Hong Kong10 shared Thomas A. Corea · Louisville, KY10 shared Phil J. Schmitt · George Town, Grand Cayman, Cayman Islands10 shared Roland Nesi · Bethlehem, PA10 shared Matt Devine · West Long Beach, NJ10 shared Nadeem Baig, M.D · West Long Beach, NJ10 shared Kevin Gabelein · Tigard, OR10 shared Jeffrey L. Moredock · Dallas, TX10 shared Anabel Mifsud · Zurrieq, O110 shared Lynne R. Rollins · SAN DIEGO, CA10 shared Bernardo Navarro · PEMBROKE PINES, FL6 shared Jen Hanners · Stamford, CT6 shared Blain Nicholls · Miami, FL4 shared Casey M. Nault · Chicago, IL4 shared Marc Litzenberg · MIRAMAR, FL4 shared Christopher N. Cox · Los Altos, CA4 shared David R. Osborn · Austin, TX4 shared Matthew Coltura · Sechelt, British Columbia, Canada4 shared Richard Kauffman · San Francisco, CA4 shared Mark Brezer · Sechelt, British Columbia, Canada4 shared

Recent filings (47)

Sandbrook Voltwise Co-Invest LPDec 2025 · 14 co-filers Sandbrook Climate Infrastructure Fund II-C LPJul 2025 · 14 co-filers Sandbrook Climate Infrastructure Fund II LPJul 2025 · 14 co-filers Sandbrook Climate Infrastructure Fund II-B LPJul 2025 · 14 co-filers Waterloo Associates Fund III, LPJun 2025 · 9 co-filers$200.0M rPlus Energies Frontier, LLCFeb 2025 · 25 co-filers$153.9M rPlus Energies Frontier, LLCFeb 2025 · 25 co-filers$153.9M Sandbrook rPlus Co-Invest II LPApr 2024 · 14 co-filers Sandbrook rPlus Co-Invest I LPApr 2024 · 14 co-filers TechMileage Software Solutions, LLCMar 2024 · 8 co-filers$1.1M rPlus Energies Frontier, LLCMar 2024 · 23 co-filers$153.9M rPlus Energies Frontier, LLCMar 2024 · 23 co-filers$153.9M TechMileage Software Solutions, LLCFeb 2024 · 8 co-filers$650K Sandbrook NxW Co-Invest LPAug 2023 · 14 co-filers WAWILD Holdings, LLCJul 2023 · 9 co-filers$3.8M Friendly Hills BancorpJul 2023 · 36 co-filers$10.0M Sandbrook Climate Infrastructure Fund I LPJun 2023 · 14 co-filers Sandbrook Climate Infrastructure Fund I-B LPJun 2023 · 14 co-filers Sandbrook Climate Infrastructure Fund I-C LPJun 2023 · 14 co-filers Sandbrook Climate Infrastructure Fund Co-Investment I-C LPFeb 2023 · 14 co-filers Sandbrook HF Co-Invest LPFeb 2023 · 14 co-filers Sandbrook Climate Infrastructure Fund Co-Investment I-B LPFeb 2023 · 14 co-filers Getaway House, Inc.Nov 2022 · 15 co-filers$23.0M Friendly Hills BancorpSep 2022 · 36 co-filers$25.0M Black Crow AI, Inc.Aug 2022 · 12 co-filers$33.4M

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