Investor · TUALATIN, OR

Ben G. Sampson

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Filings

10

SEC Form D

Connections

46

co-filers

Capital

$54.7M

across filings

Active

Jan 2023

to Dec 2025

Most-connected co-filers (46)

Mark R. Perutz · TUALATIN, OR6 shared Robert G. Powell · TUALATIN, OR5 shared Tim Hysell · TUALATIN, OR5 shared Jesse G. Johnson · TUALATIN, OR5 shared Julie G. Blunden · TUALATIN, OR4 shared Stephen Schroder · ALEXANDRIA, VA3 shared James Graham · SAN FRANCISCO, CA3 shared Amberstone Fund Ii GP, LLC · SAN FRANCISCO, CA3 shared Alexandra Mcleod · ALEXANDRIA, VA3 shared Laura Collins · WELLESLEY HILLS, MA2 shared Mike Parker · WELLESLEY HILLS, MA2 shared Marina Muehlke · WELLESLEY HILLS, MA2 shared Chris M. Iorillo · LOS ANGELES, CA2 shared Carlos Pla · London, United Kingdom2 shared Shane B. Courtney · Jenks, OK2 shared Wingra Venture Partners, LLC · Madison, WI2 shared Thomas E. Bennet, Jr · Jenks, OK2 shared Inverness Graham General Partner V, L.P · Wayne, PA2 shared Yana Rogozin · WELLESLEY HILLS, MA2 shared Clifton L. Sykes · Wayne, PA2 shared Kenneth A. Graham · Wayne, PA2 shared Steven F. Wood · Wayne, PA2 shared John H. Reilly · Wayne, PA2 shared Ronald Mis · Wellesley Hills, MA2 shared

Recent filings (10)

Inverness Graham Investments V, L.P.Jan 2026 · 9 co-filers ZincFive, Inc.Dec 2025 · 22 co-filers$30.0M ZincFive, Inc.Dec 2025 · 22 co-filers$30.0M ZincFive, Inc.Jun 2025 · 20 co-filers$26.0M ZincFive, Inc.Jun 2025 · 20 co-filers$26.0M Inverness Graham Investments V, L.P.Jan 2025 · 21 co-filers AMBERSTONE FUND II, L.P.Jan 2025 · 5 co-filers AMBERSTONE FUND II, L.P.Jan 2024 · 5 co-filers Cahoon Capital REIT II, LLCDec 2023 · 17 co-filers$63K Cahoon Capital Strategic Income Fund II, LLCJan 2023 · 18 co-filers$250.0M AMBERSTONE FUND II, L.P.Jan 2023 · 5 co-filers ZincFive, Inc.Mar 2022 · 11 co-filers$75.0M ZincFive, Inc.Mar 2022 · 11 co-filers$75.0M

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