Investor · Newton, MA
Martin Flusberg
Open Martin in the network graph →Filings
43
SEC Form D
Connections
136
co-filers
Capital
$12.9M
across filings
Active
Feb 2010
to Feb 2026
Most-connected co-filers (136)
Zaid Ashai · Boston, MA34 sharedBradford Higgins · Newton, MA17 sharedPhilip N. Greer · New York, NY16 sharedMichael Smith · Newton, MA16 sharedPeter A. Krag-Hansen · Vancouver, British Columbia, Canada16 sharedThompson Dean · New York, NY10 sharedMike Schuh · Kirkland, WA10 sharedDiogo Ortega Pereira · Boston, MA10 sharedBob Odell · Kirkland, WA10 sharedMarc Granson · Bethlehem, PA10 sharedPeter T. Geisert · Milwaukee, WI10 sharedSofia Simoes De Almeida · Boston, MA10 sharedAdam T. Tyree · Raphine, VA10 sharedDavid Burgstahler · New York, NY10 sharedBenjamin Junior · Boston, MA10 sharedKirby Cramer · Kirkland, WA10 sharedDavid Linker · Seattle, WA10 sharedSchmitt Paul · Bethlehem, PA9 sharedTyler A. Stowater · SIOUX FALLS, SD8 sharedSteve Pazol · Copley, OH8 sharedConnacht Asset Management LP · New York, NY8 sharedPeter M. Young · George Town, Cayman Islands8 sharedSean M. Traynor · NEW YORK, NY8 sharedPeter J. Nolan · HERMOSA BEACH, CA8 shared
Recent filings (43)
Avista Healthcare Partners Red Bird, L.P.Feb 2026 · 1 co-filerAvista Healthcare Partners (Offshore) IV, L.P.Dec 2025 · 5 co-filersAvista Healthcare Partners IV, L.P.Dec 2025 · 5 co-filersAvista Healthcare Partners (Offshore) VI, L.P.Jun 2023 · 5 co-filersAvista Healthcare Partners VI, L.P.Jun 2023 · 5 co-filersWCAS XIV Co-Investors I LLCApr 2023 · 44 co-filersAvista Healthcare Partners (Offshore) VI, L.P.May 2022 · 5 co-filersAvista Healthcare Partners VI, L.P.May 2022 · 5 co-filersWCAS XIV Co-Investors I LLCFeb 2022 · 44 co-filersWCAS XIII, L.P.Jul 2019 · 20 co-filers$3.7BWCAS XIII Feeder Fund, L.P.Jul 2019 · 20 co-filers$87.5MWCAS XIII Co-Investors LLCApr 2019 · 31 co-filersWCAS XIII, L.P.Nov 2018 · 32 co-filersWCAS XIII Feeder Fund, L.P.Nov 2018 · 32 co-filersWCAS XIII, L.P.Aug 2018 · 20 co-filersPowerhouse Dynamics, Inc.Feb 2018 · 18 co-filers$12.4MPowerhouse Dynamics, Inc.Jan 2017 · 20 co-filers$4.4MAvista Capital Partners (Offshore) IV, L.P.Jan 2017 · 5 co-filers$1.0BAvista Capital Partners IV, L.P.Jan 2017 · 5 co-filers$1.0BWCAS XII Co-Investors LLCDec 2016 · 25 co-filersPowerhouse Dynamics, Inc.Oct 2016 · 17 co-filers$4.6MPowerhouse Dynamics, Inc.Apr 2016 · 17 co-filers$2.0MPowerhouse Dynamics, Inc.Apr 2016 · 17 co-filers$2.0MAvista Capital Partners (Offshore) IV, L.P.Jan 2016 · 11 co-filersEQUAL EXCHANGE INCJan 2016 · 28 co-filers$1.4M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Martin in the interactive graph →