Investor · Toronto, Ontario, Canada

Brook G. Riggins

Open Brook in the network graph →

Filings

9

SEC Form D

Connections

25

co-filers

Capital

$849K

across filings

Active

Aug 2020

to Aug 2025

Most-connected co-filers (25)

W. Hogan G. Mullally · Toronto, Ontario, Canada5 shared Kim G. Tsuchimoto · Toronto, Ontario, Canada4 shared Steven Snow · West Hollywood, CA4 shared Charles I. Smith · Little Rock, AR3 shared Hound Partners, LLC · New York, NY3 shared Claire Schlemme · OAKLAND, CA3 shared Robert Chill · Jerusalem, L33 shared Patrice G. Rioux · Toronto, Ontario, Canada3 shared Christopher G. Starr · Toronto, Ontario, Canada3 shared Kenneth Cotiamco · VANCOUVER, British Columbia, Canada3 shared Robert Dubeau · VANCOUVER, British Columbia, Canada3 shared Tryon Breytenbach · VANCOUVER, British Columbia, Canada3 shared Ezra Serrur · Brooklyn, NY3 shared Shidan Gouran · Dover, DE2 shared Robert J. Meschi · George Town, Cayman Islands2 shared Carie Mcneil · Salt Lake City, UT2 shared Andrew Menlove · Salt Lake City, UT2 shared Tally Ringwood · Salt Lake City, UT2 shared Rita Tucci · Newark, NJ2 shared Qma LLC · Newark, NJ2 shared Linda Gibson · Newark, NJ2 shared Syed Mohammed · Southampton, NY2 shared Adam Broder · Newark, NJ2 shared Hogan W. Mullally · Toronto, Ontario, Canada1 shared

Recent filings (9)

Thiogenesis Therapeutics, Corp.Aug 2025 · 12 co-filers$125K Thiogenesis Therapeutics, Corp.Dec 2023 · 13 co-filers$252K Thiogenesis Therapeutics, Corp.Nov 2022 · 12 co-filers$218K QMA JP Emerging Markets All Cap Offshore Fund, Ltd.Aug 2021 · 10 co-filers Rozdil Capital CorpAug 2021 · 7 co-filers$253K QMA JP Emerging Markets All Cap Offshore Fund, Ltd.Aug 2020 · 10 co-filers Renewal Mill, PBCAug 2020 · 2 co-filers$1.0M Renewal Mill, PBCAug 2020 · 2 co-filers$200K Renewal Mill, PBCAug 2020 · 2 co-filers$1.3M

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