Investor · Vancouver, British Columbia, Canada
John E. Decooman
Open John in the network graph →Filings
27
SEC Form D
Connections
126
co-filers
Capital
$444K
across filings
Active
Feb 2013
to Feb 2026
Most-connected co-filers (126)
Cassandra E. Gee · Vancouver, British Columbia, Canada17 sharedHernan M. Zaballa · Vancouver, British Columbia, Canada13 sharedSteffen H. Kastner · New York, NY12 sharedMichael M. Carpenter · Irvine, CA11 sharedBrady Dougan · New York, NY11 sharedJacob D. Chase · Denver, CO11 sharedRobert E. Anderson · Morrisville, NC11 sharedLuis J. Rubio · Grand Cayman, Cayman Islands10 sharedJesse L. Ausubel · New York, NY10 sharedZack D. Kobilca · Denver, CO10 sharedMichael J. Murphy · New York, NY10 sharedJanet L. Schinderman · New York, NY10 sharedTodd Milbourn · New York, NY10 sharedBryan E. Mckigney · New York, NY10 sharedChad Bessinger · Centerville, UT10 sharedAdvantage Advisers Multi-Manager, L.L.C · New York, NY8 sharedJohn Miniotis · TORONTO, Ontario, Canada7 sharedJason Warnick · MENLO PARK, CA7 sharedSam Leung · Vancouver, British Columbia, Canada7 sharedFlora Wood · TORONTO, Ontario, Canada7 sharedZula E. Kropivnitski · Vancouver, British Columbia, Canada6 sharedWillem Fuchter · Vancouver, British Columbia, Canada6 sharedEduardo E. Perlicz · Vancouver, British Columbia, Canada6 sharedDavid E. Doherty · Vancouver, British Columbia, Canada5 shared
Recent filings (27)
Advantage Advisers Xanthus Fund, L.L.C.Feb 2026 · 6 co-filersAdvantage Advisers Xanthus Fund, L.L.C.Feb 2025 · 16 co-filersAdvantage Advisers Xanthus Fund, L.L.C.Feb 2024 · 16 co-filersAdvantage Advisers Xanthus Fund, L.L.C.Feb 2023 · 16 co-filersAdvantage Advisers Xanthus Fund, L.L.C.Feb 2022 · 16 co-filersAdvantage Advisers Xanthus Fund, L.L.C.Feb 2021 · 16 co-filersAbraPlata Resource Corp.Jul 2020 · 23 co-filers$3.7MAbraPlata Resource Corp.Jun 2020 · 23 co-filers$136KAdvantage Advisers Xanthus Fund, L.L.C.Feb 2020 · 16 co-filersSunniva Inc.Oct 2019 · 26 co-filers$6.0MSunniva Inc.Sep 2019 · 17 co-filers$7.5MSunniva Inc.Sep 2019 · 17 co-filers$5.5MSunniva Inc.Aug 2019 · 17 co-filers$4.4MAbraPlata Resource Corp.Apr 2019 · 19 co-filers$166KNEUROONE MEDICAL TECHNOLOGIES CorpFeb 2019 · 17 co-filers$10.0MSunniva Inc.Feb 2019 · 26 co-filers$12.1MAdvantage Advisers Xanthus Fund, L.L.C.Feb 2019 · 16 co-filersNEUROONE MEDICAL TECHNOLOGIES CorpJan 2019 · 17 co-filers$10.0MAbraPlata Resource Corp.May 2018 · 23 co-filers$39KAbraPlata Resource Corp.Feb 2018 · 23 co-filers$42KAdvantage Advisers Xanthus Fund, L.L.C.Feb 2018 · 16 co-filersAbraPlata Resource Corp.Jan 2018 · 25 co-filers$197KArix Bioscience plcMar 2017 · 26 co-filers$124.6MAdvantage Advisers Xanthus Fund, L.L.C.Mar 2017 · 16 co-filersArix Bioscience plcMar 2017 · 26 co-filers$121.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See John in the interactive graph →