Investor · Baltimore, MD

Arnold L. Oronsky

Open Arnold in the network graph →

Filings

104

SEC Form D

Connections

460

co-filers

Capital

$45.1M

across filings

Active

Sep 2015

to Dec 2017

Most-connected co-filers (460)

David Mott · Leiden, P720 shared Earl Collier, Jr · Beverly Hills, CA19 shared James O. Armitage · San Diego, CA19 shared Steven Gex · Aliso Viejo, CA17 shared Paul Campbell · London, United Kingdom17 shared Maryellen De Mars · Rockville, MD17 shared Ricky B. Novak · Atlanta, GA17 shared e.ventures US V GP, LLC · San Francisco, CA17 shared Timothy R. Pearson · Waltham, MA17 shared Ann Marie C. Swanson · Concord, MA17 shared Stephanie D. Drescher · New York, NY17 shared Katie Palencsar · BALTIMORE, MD17 shared Orchard Global Asset Management LLP · London, United Kingdom17 shared Ann Surbridge · Seattle, WA17 shared Jeffrey B. Kindler · Baltimore, MD17 shared Stephen C. Gillings · Santa Ana, CA17 shared James D. Crossen · New York, NY17 shared Edwin B. Machingambi · Grand Cayman, Cayman Islands17 shared J. Zucaro · Aventura, FL17 shared Michael C. Sherman · Scottsdale, AZ17 shared Angus Davis · SAN ANTONIO, TX17 shared Nathan Jones · Reno, NV17 shared Cindy Z. Michel · New York, NY16 shared The Colony Group, LLC · Boston, MA16 shared

Recent filings (104)

Linden Opportunities Fund II LPNov 2025 · 5 co-filers Linden Investments III LPJul 2025 · 5 co-filers Hapten Sciences, Inc.Aug 2021 · 10 co-filers$3.0M Hapten Sciences, Inc.Oct 2019 · 10 co-filers$1.5M Hapten Sciences, Inc.Sep 2018 · 6 co-filers$2.2M Uniform Co-Invest, L.P.Jun 2018 · 94 co-filers AP Overseas Converse Holdings, L.P.May 2018 · 109 co-filers Hapten Sciences, Inc.Feb 2018 · 10 co-filers$2.0M Hapten Sciences, Inc.Feb 2018 · 10 co-filers$2.0M Athene HD Investor, L.P.Jan 2018 · 103 co-filers Athora HD Investor, L.P.Jan 2018 · 103 co-filers Centrexion Therapeutics CorpJan 2018 · 22 co-filers$69.6M Potenza Therapeutics, Inc.Dec 2017 · 19 co-filers$5.0M FS Card Holdings, Inc.Dec 2017 · 18 co-filers$10.0M Thycotic Software, LLCNov 2017 · 23 co-filers AP Olympus Co-Invest, L.P.Oct 2017 · 77 co-filers Thycotic Software, LLCAug 2017 · 15 co-filers Athene Momentum Investor, L PAug 2017 · 67 co-filers FS Card Holdings, Inc.Jun 2017 · 18 co-filers Centrexion Therapeutics CorpMay 2017 · 14 co-filers FS Card Holdings, Inc.May 2017 · 18 co-filers Wolfcamp Co-Investors, L.P.Mar 2017 · 87 co-filers Apollo Special Situations Fund, L.P.Mar 2017 · 57 co-filers$750.0M Serrano Gardens IPIRG, LLCMar 2017 · 2 co-filers$2.5M PMV Pharmaceuticals, Inc.Mar 2017 · 9 co-filers$73.7M

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