Investor · Boston, MA
Samuel W. Spirn
Open Samuel in the network graph →Filings
62
SEC Form D
Connections
303
co-filers
Capital
$6.9B
across filings
Active
Aug 2020
to Feb 2026
Most-connected co-filers (303)
Blake L. Gottesman · Boston, MA41 sharedMarni F. Payne · Boston, MA40 sharedDavid C. Bordeau · Boston, MA40 sharedChristopher J. Hadley · Boston, MA40 sharedRoss M. Jones · Boston, MA38 sharedMichael C. Ascione · Boston, MA38 sharedLawrence S. Hamelsky · Boston, MA38 sharedJoshua A. Lutzker · Boston, MA38 sharedBenjamin D. Levy · Boston, MA36 sharedEdward J. Whelan · Boston, MA33 sharedGreg J. Pappas · BOSTON, MA27 sharedKevin T. Callaghan · Boston, MA26 sharedRaleigh A. Shoemaker · BOSTON, MA24 sharedElizabeth L. Hoffman · Boston, MA24 sharedKenneth S. Bring · BOSTON, MA22 sharedMatthew A. Janchar · BOSTON, MA21 sharedRobert J. Small · BOSTON, MA21 sharedSamantha A. Adams · Boston, MA21 sharedMatthew B. Gooch · Boston, MA20 sharedSharlyn C. Heslam · BOSTON, MA18 sharedCandice M. Corvetti · Boston, MA16 sharedJonathan D. Nuger · Boston, MA16 sharedHenri E. Rainaud Iv · Boston, MA14 sharedJonathan J. Meyer · BOSTON, MA11 shared
Recent filings (62)
BPTN Co-Invest, L.P.Feb 2026 · 14 co-filersSwish BP Co-Invest, L.P.Nov 2025 · 15 co-filersBP Ace CV, L.P.Sep 2025 · 13 co-filersBP Ace EV, L.P.Sep 2025 · 13 co-filersTitan BP Co-Invest, L.P.Jul 2025 · 13 co-filersBerkshire DT Co-Invest, L.P.Jun 2025 · 13 co-filersGovernors Lane Onshore Fund LPMay 2025 · 9 co-filersTau BP Co-Invest, L.P.Jan 2025 · 14 co-filersBAH Forefront, L.P.Jan 2025 · 14 co-filersRock Star LP Co-Invest II, L.P.Dec 2024 · 15 co-filersRock Star LP Co-Invest I, L.P.Dec 2024 · 15 co-filersBerkshire Fund XI-Lux (IND), L.P.Oct 2024 · 15 co-filersBerkshire Fund XI (IND), L.P.Oct 2024 · 15 co-filersBerkshire Spectre Co-Investor, L.P.Sep 2024 · 50 co-filersTLand Aggregator I, L.P.May 2024 · 59 co-filersGovernors Lane Onshore Fund LPMay 2024 · 7 co-filersBerkshire HPC Co-Investor II, L.P.May 2024 · 59 co-filersBerkshire HPC Co-Investor I, L.P.May 2024 · 59 co-filersSWIFT FUELS, LLCMay 2024 · 17 co-filers$48.0MBerkshire Fund XI, L.P.Oct 2023 · 14 co-filersBerkshire Fund XI-F, L.P.Oct 2023 · 14 co-filersBerkshire Fund XI-TE, L.P.Oct 2023 · 14 co-filersBerkshire Fund XI-Lux, SCSpOct 2023 · 14 co-filersGovernors Lane Onshore Fund LPMay 2023 · 7 co-filersFASETTO, Inc.Apr 2023 · 8 co-filers$10.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Samuel in the interactive graph →