Investor · Newport Beach, CA

Darren O'Brien

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Filings

27

SEC Form D

Connections

93

co-filers

Capital

$55.0M

across filings

Active

Jun 2019

to May 2021

Most-connected co-filers (93)

Gardner Russo & Quinn LLC · Lancaster, PA15 shared William Strang · McLean, VA15 shared Robert E. Grant · NEWPORT BEACH, CA10 shared Semper Vic Partners GP, LP · Lancaster, PA10 shared John S. Keeling · Houston, TX10 shared Jaideep S. Shah · San Francisco, CA10 shared Katherine R. O'Brien · New York, NY10 shared Semper Vic GP, LLC · Lancaster, PA10 shared Brandi S. Montgomery · Houston, TX10 shared Simone E. Blank · NEWPORT BEACH, CA7 shared Sam Barranco · PORTLAND, OR6 shared Richard H. Taketa · New York, NY6 shared T. David Cox · PORTLAND, OR6 shared Thomas Fortin · New York, NY6 shared Vikram E. Malik · NEWPORT BEACH, CA6 shared Vijayabalan E. Murugesu · Grand Cayman, Cayman Islands5 shared Tekne Capital Management, LLC · New York, NY5 shared Alamin Uddin · Brooklyn, NY5 shared Michael M. Korn · New York, NY4 shared Jennifer Scher · Studio City, CA4 shared Lyman Hawbaker Iii · New York, NY4 shared Chan D. Suh · San Francisco, CA4 shared Christopher W. Thome · New York, NY4 shared Chris Carr · Newport Beach, CA4 shared

Recent filings (27)

SEMPER VIC PARTNERS OFFSHORE, LTD.Apr 2025 · 8 co-filers SEMPER VIC PARTNERS, L.P.Apr 2025 · 8 co-filers SEMPER VIC PARTNERS (QP), L. P.Apr 2025 · 8 co-filers SEMPER VIC PARTNERS (QP), L. P.Apr 2024 · 8 co-filers SEMPER VIC PARTNERS, L.P.Apr 2024 · 8 co-filers SEMPER VIC PARTNERS OFFSHORE, LTD.Apr 2024 · 8 co-filers SEMPER VIC PARTNERS (QP), L. P.Apr 2023 · 8 co-filers SEMPER VIC PARTNERS, L.P.Apr 2023 · 8 co-filers SEMPER VIC PARTNERS OFFSHORE, LTD.Apr 2023 · 8 co-filers AEON Biopharma, Inc.Aug 2022 · 29 co-filers$30.0M AEON Biopharma, Inc.Aug 2022 · 29 co-filers$25.0M SEMPER VIC PARTNERS OFFSHORE, LTD.Apr 2022 · 11 co-filers SEMPER VIC PARTNERS, L.P.Apr 2022 · 8 co-filers SEMPER VIC PARTNERS (QP), L. P.Apr 2022 · 8 co-filers Sentinel AdvancementsAug 2021 · 2 co-filers AEON Biopharma, Inc.May 2021 · 26 co-filers$30.0M SEMPER VIC PARTNERS OFFSHORE, LTD.Apr 2021 · 11 co-filers SEMPER VIC PARTNERS (QP), L. P.Apr 2021 · 8 co-filers SEMPER VIC PARTNERS, L.P.Apr 2021 · 8 co-filers Sentinel AdvancementsApr 2021 · 2 co-filers$5.0M AltPep CorpSep 2020 · 17 co-filers$2.5M AEON Biopharma, Inc.Aug 2020 · 26 co-filers$25.0M HedgePremier/Point 72 International Ltd.Jul 2020 · 16 co-filers HedgePremier/Point72 LPJul 2020 · 16 co-filers HedgePremier/Point72 LPJun 2019 · 16 co-filers

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