Investor · Broomfield, CO

William Roper

Open William in the network graph →

Filings

13

SEC Form D

Connections

45

co-filers

Capital

$5.1M

across filings

Active

Aug 2019

to Aug 2025

Most-connected co-filers (45)

Adam Rosenberg · Boston, MA7 shared Gsa Investments Llc · Chicago, IL7 shared Goldenstone Investments Lp · Chicago, IL7 shared Gsa Investments Llc · CHICAGO, IL6 shared Goldenstone Investments Lp · CHICAGO, IL6 shared Wengang Li · CHICAGO, IL6 shared Derek Sikora · Denver, CO5 shared Derek Martin · Broomfield, CO3 shared Patrick Murphy · New York, NY3 shared Warren Katz · Broomfield, CO3 shared Caleb Carr · Denver, CO3 shared John Chopack, Jr · Redmond, OR2 shared Walter Diers · Redmond, OR2 shared Leigh Colby · Redmond, OR2 shared Jared A. Sink · Raleigh, NC2 shared Christian M. Zimmerman · Austin, TX2 shared Alex M. Smith · Austin, TX2 shared Laura A. Brady · Austin, TX2 shared Eric J. Neuner · Danville, CA2 shared James A. Musial · Danville, CA2 shared Sofia N. Hou · Boston, MA2 shared Nissim R. Mashiach · Yavne, L32 shared Siddartha N. Nargundkar · Boston, MA2 shared Benjamin F. Seidlich · Baltimore, MD2 shared

Recent filings (13)

GoldenStone Advisors Fund LLCAug 2025 · 6 co-filers GoldenStone Advisors Fund LLCAug 2024 · 6 co-filers GoldenStone Advisors Fund LLCAug 2023 · 6 co-filers GoldenStone Advisors Fund LLCAug 2022 · 6 co-filers Vita Inclinata Technologies, Inc.Aug 2022 · 20 co-filers Beta Technologies Inc.Apr 2022 · 8 co-filers$415.0M Beta Technologies Inc.Apr 2022 · 8 co-filers$415.0M TriAgenics, IncSep 2021 · 16 co-filers$2.5M GoldenStone Advisors Fund LLCAug 2021 · 6 co-filers Vita Inclinata Technologies, Inc.Jul 2021 · 18 co-filers Vita Inclinata Technologies, Inc.Apr 2021 · 13 co-filers$10.7M Vita Inclinata Technologies, Inc.Apr 2021 · 13 co-filers$10.7M GoldenStone Advisors Fund LLCAug 2020 · 6 co-filers TriAgenics, IncAug 2020 · 14 co-filers$1.8M GoldenStone Advisors Fund LLCAug 2019 · 3 co-filers

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