Investor · ROCHESTER, NY

David S. Rumold

Open David in the network graph →

Filings

9

SEC Form D

Connections

60

co-filers

Capital

$7.4M

across filings

Active

Nov 2021

to May 2025

Most-connected co-filers (60)

Joseph Cufari · Gainesville, FL9 shared Justin S. Cuvelier · ROCHESTER, NY8 shared Brett S. Maurer · ROCHESTER, NY7 shared Daniel Grugan · Wilmington, DE6 shared Reshmi Mitra · Wilmington, DE6 shared Anju P. Mathoora · Grand Duchy of Luxembourg, Luxembourg6 shared Yueh Hsiang Tsai · Scarsdale, NY6 shared Thibault Corlay · Grand Duchy of Luxembourg, Luxembourg5 shared Zhaohua Yuan · Maple Grove, MN3 shared Tracy Kelley · Tucson, AZ3 shared Feng Jiang · Maple Grove, MN3 shared Peter W. Schuhmacher · TUCSON, AZ3 shared Dennis R. Mangino · TUCSON, AZ3 shared Peter W. Walther · TUCSON, AZ3 shared Mark Heising · San Francisco, CA3 shared William C. Harvey · Indianapolis, IN3 shared Richard Atkinson · London, United Kingdom3 shared Devin Johnson · Indianapolis, IN3 shared Leo R. Guthart · South San Francisco, CA3 shared David Rawlinson · London, United Kingdom3 shared Henry Weatherill · London, United Kingdom3 shared Simon Jones · London, United Kingdom3 shared Augustine O'Donnell · London, United Kingdom3 shared Richard Stoakes · London, United Kingdom3 shared

Recent filings (9)

All England Lawn Tennis Ground plcMay 2025 · 23 co-filers$1.8M All England Lawn Tennis Ground plcMay 2024 · 26 co-filers$6.1M Monarc Holdings, Inc.Feb 2023 · 17 co-filers$9.0M Monarc Holdings, Inc.Jan 2023 · 17 co-filers$9.0M Sion Power CorpNov 2021 · 26 co-filers$45.0M Sion Power CorpNov 2021 · 26 co-filers$45K Sion Power CorpNov 2021 · 26 co-filers$240.3M All England Lawn Tennis Ground plcNov 2021 · 26 co-filers$1.4M Monarc Holdings, Inc.Sep 2021 · 7 co-filers$1.0M Monarc Holdings, Inc.Sep 2021 · 7 co-filers$1.0M

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