Investor · Woburn, MA

Arthur J. Samberg

Open Arthur in the network graph →

Filings

70

SEC Form D

Connections

146

co-filers

Capital

$106.0M

across filings

Active

Oct 2010

to Feb 2017

Most-connected co-filers (146)

Brian Coulter · Irvine, CA34 shared Steven W. Johnson · New York, NY31 shared Eric W. Mandelblatt · New York, NY31 shared Vito W. Tanzi · New York, NY31 shared Scott W. Friedman · New York, NY31 shared Pearse M. Griffith · Grand Cayman, Cayman Islands29 shared Steven W. Niditch · New York, NY29 shared Soroban Capital Partners Lp · New York, NY29 shared Soroban Capital Partners Lp · New York, NY29 shared Ridgeline Properties,LLC · Springfield, OR25 shared Ilya Rosenberg · Sunnyvale, CA25 shared Christopher Ferraro · New York, NY25 shared Ridgeline Prooperties, LLC · Springfield, OR25 shared Michael Kaplan · Greenwich, CT25 shared Joseph E. Edelman · NEW YORK, NY25 shared Martin Negre · Grand Cayman, Cayman Islands25 shared Christopher Bogart · Chicago, IL25 shared Nessim Mezrahi · Bethesda, MD25 shared Steven Shirreffs · New York, NY25 shared Keith Rabin · Irvine, CA20 shared Alex Wilcox · Irvine, CA18 shared Monina M. Windsor · Grand Cayman, Cayman Islands16 shared Paul Sheng · Houston, TX16 shared Lewis Titterton · JACKSONVILLE, FL16 shared

Recent filings (70)

Chord TopCo, LPNov 2025 · 38 co-filers Chord TopCo, LPNov 2025 · 38 co-filers Soroban Long Only Equity Cayman Fund LtdFeb 2025 · 22 co-filers Soroban Opportunities Cayman Fund II LtdFeb 2025 · 22 co-filers Soroban Opportunities Cayman Fund LtdFeb 2025 · 22 co-filers Soroban Long Only Equity Cayman Fund LtdApr 2024 · 22 co-filers Soroban Decarbonization Beneficiaries Cayman Fund LtdFeb 2024 · 22 co-filers Soroban Opportunities Cayman Fund LtdFeb 2024 · 22 co-filers Soroban Opportunities Cayman Fund II LtdFeb 2024 · 22 co-filers Soroban Decarbonization Beneficiaries Cayman Fund II LtdFeb 2024 · 22 co-filers Soroban Decarbonization Beneficiaries Cayman Fund LtdFeb 2023 · 22 co-filers Soroban Opportunities Cayman Fund LtdFeb 2023 · 22 co-filers Soroban Opportunities Cayman Fund II LtdFeb 2023 · 22 co-filers Soroban Decarbonization Beneficiaries Cayman Fund II LtdFeb 2023 · 22 co-filers Soroban Decarbonization Beneficiaries Cayman Fund II LtdFeb 2022 · 22 co-filers Soroban Opportunities Cayman Fund II LtdFeb 2022 · 22 co-filers Soroban Decarbonization Beneficiaries Cayman Fund LtdFeb 2022 · 22 co-filers Soroban Opportunities Cayman Fund LtdFeb 2022 · 22 co-filers Soroban Opportunities Cayman Fund II LtdDec 2021 · 22 co-filers Soroban Opportunities Cayman Fund LtdDec 2021 · 22 co-filers Soroban Opportunities Cayman Fund II LtdDec 2020 · 22 co-filers Soroban Opportunities Cayman Fund LtdDec 2020 · 22 co-filers Soroban Opportunities Cayman Fund II LtdFeb 2020 · 22 co-filers Soroban Opportunities Cayman Fund LtdDec 2019 · 22 co-filers ClearMotion, Inc.Nov 2019 · 10 co-filers$115.0M

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