Investor · Luxembourg City, Luxembourg
Joost J. Knabben
Open Joost in the network graph →Filings
18
SEC Form D
Connections
89
co-filers
Capital
$361.3M
across filings
Active
Jan 2022
to Aug 2025
Most-connected co-filers (89)
Paul P. Bashir · London, United Kingdom10 sharedStefan Corthouts · Howald, Luxembourg8 sharedDorina P. Gorman · Chicago, IL8 sharedOlga N. Zelenkova · Luxembourg City, Luxembourg8 sharedPeyman J. Azari · Luxembourg City, Luxembourg6 sharedChristopher N. Merrill · Chicago, IL5 sharedSamit Ghosh · George Town, Cayman Islands5 sharedMario Longhi · Columbus, OH5 sharedRobert P. Mathias · Chicago, IL5 sharedZachary N. Michaud · Toronto, Ontario, Canada5 sharedBenjamin Suttles · Houston, TX5 sharedRandy P. Grudzinski · Scottsdale, AZ5 sharedLisa Y. Gokongwei · Grand Cayman, Cayman Islands5 sharedAlfred C. Cardone · Luxembourg City, Luxembourg5 sharedMichael M. Korn · New York, NY3 sharedErik H. Levy · Somerville, MA3 sharedLior Susan · PALO ALTO, CA3 sharedAmar Hanspal · Palo Alto, CA3 sharedJay N. Hennick · Toronto, Ontario, Canada3 sharedTodd H. Gershkowitz · Somerville, MA3 sharedScott E. Dakers · Grand Cayman, Cayman Islands3 sharedChristopher W. Thome · New York, NY3 sharedKimberly Melen · Grand Cayman, Cayman Islands3 sharedDavid H. Brewster · Somerville, MA3 shared
Recent filings (18)
Harrison Street European Property Partners IV, SLP RAIFAug 2025 · 20 co-filers$1.8BHarrison Street European Property Partners IV, SLP RAIFAug 2025 · 20 co-filers$1.8BTS ASSET BELMOND LLCJul 2025 · 7 co-filers$28.0MFlats on Wakefield-SA LLCApr 2025 · 17 co-filers$7.0MHarrison Street European Property Partners IV, SLP RAIFAug 2024 · 20 co-filers$1.6BHarrison Street European Property Partners IV, SLP RAIFAug 2024 · 20 co-filers$1.6BTS ASSET REAGAN LLCAug 2023 · 7 co-filers$25.0MHarrison Street European Property Partners IV, SLP RAIFAug 2023 · 20 co-filers$1.6BHarrison Street European Property Partners IV, SLP RAIFAug 2023 · 20 co-filers$1.6BEquilibre BioPharmaceuticals Corp.Dec 2022 · 20 co-filers$6.0MEquilibre BioPharmaceuticals Corp.Dec 2022 · 20 co-filers$6.0MFlats on Wakefield-SA LLCJan 2022 · 17 co-filers$7.0MEquilibre BioPharmaceuticals Corp.Jan 2022 · 19 co-filers$25.0MHSEPP III CO-INVESTMENT, SLP RAIFApr 2020 · 20 co-filers$327.0MHARRISON STREET EUROPEAN PROPERTY PARTNERS III, SLP RAIFDec 2019 · 20 co-filers$831.0MSigmaSense, LLCJul 2019 · 9 co-filers$2.9MSigmaSense, LLCJan 2019 · 14 co-filers$3.5MAutoLab AI, Inc.May 2018 · 14 co-filers$40.0MAutoLab AI, Inc.May 2018 · 14 co-filers$200.0MSigmaSense, LLCMay 2018 · 14 co-filers$1.5MAutoLab AI, Inc.May 2018 · 14 co-filers$10.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Joost in the interactive graph →