Investor · New York, NY
Katherine R. O'Brien
Open Katherine in the network graph →Filings
45
SEC Form D
Connections
189
co-filers
Capital
$1.9B
across filings
Active
Apr 2015
to Apr 2025
Most-connected co-filers (189)
Jaideep S. Shah · San Francisco, CA24 sharedEdward D. Shirley · New York, NY22 sharedJohn S. Keeling · Houston, TX22 sharedSemper Vic GP, LLC · Lancaster, PA22 sharedSemper Vic Partners GP, LP · Lancaster, PA22 sharedBrandi S. Montgomery · Houston, TX22 sharedRalph B. De La Vega · New York, NY21 sharedBetty C. Alewine · New York, NY21 sharedMark L. Feidler · New York, NY19 sharedJoel M. Steinberg · New York, NY19 sharedTheodore A. Mathas · New York, NY19 sharedGerald B. Smith · New York, NY19 sharedRobert B. Carter · New York, NY19 sharedMichele G. Buck · New York, NY18 sharedChristina A. Gold · New York, NY16 sharedJohn T. Fleurant · New York, NY16 sharedS. T. Moser · New York, NY16 sharedThomas C. Schievelbein · New York, NY16 sharedMark J. Madgett · New York, NY16 sharedSheila K. Davidson · New York, NY16 sharedJohn Y. Kim · New York, NY15 sharedThomas A. Hendry · New York, NY15 sharedPatricia L. Barbari · New York, NY13 sharedAmy J. Miller · New York, NY13 shared
Recent filings (45)
SEMPER VIC PARTNERS, L.P.Apr 2025 · 8 co-filersSEMPER VIC PARTNERS (QP), L. P.Apr 2025 · 8 co-filersSEMPER VIC PARTNERS, L.P.Apr 2024 · 8 co-filersSEMPER VIC PARTNERS (QP), L. P.Apr 2024 · 8 co-filersSEMPER VIC PARTNERS (QP), L. P.Apr 2023 · 8 co-filersSEMPER VIC PARTNERS, L.P.Apr 2023 · 8 co-filersSEMPER VIC PARTNERS (QP), L. P.Apr 2022 · 8 co-filersSEMPER VIC PARTNERS, L.P.Apr 2022 · 8 co-filersSEMPER VIC PARTNERS (QP), L. P.Apr 2021 · 8 co-filersSEMPER VIC PARTNERS, L.P.Apr 2021 · 8 co-filersSEMPER VIC PARTNERS (QP), L. P.Nov 2020 · 8 co-filersSEMPER VIC PARTNERS, L.P.Apr 2020 · 8 co-filersSEMPER VIC PARTNERS (QP), L. P.Nov 2019 · 8 co-filersSEMPER VIC PARTNERS, L.P.Apr 2019 · 8 co-filersNEW YORK LIFE INSURANCE COFeb 2019 · 62 co-filersNEW YORK LIFE INSURANCE COJan 2019 · 65 co-filersNew York Life Insurance Co Pooled Separate Account 45-005Dec 2018 · 65 co-filersNEW YORK LIFE INSURANCE CODec 2018 · 60 co-filersSEMPER VIC PARTNERS (QP), L. P.Nov 2018 · 8 co-filersStemBioSys Inc.May 2018 · 27 co-filers$4.3MSEMPER VIC PARTNERS, L.P.Apr 2018 · 8 co-filersNEW YORK LIFE INSURANCE COMar 2018 · 62 co-filersNEW YORK LIFE INSURANCE COFeb 2018 · 53 co-filersNEW YORK LIFE INSURANCE COJan 2018 · 65 co-filersNEW YORK LIFE INSURANCE COJan 2018 · 65 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Katherine in the interactive graph →