Investor · Columbia, MD

Joseph Harsanyi

Open Joseph in the network graph →

Filings

24

SEC Form D

Connections

95

co-filers

Capital

$3.5M

across filings

Active

Jun 2018

to Jun 2021

Most-connected co-filers (95)

John Schveibinz · Columbia, MD12 shared Jeremy Kaufman · Columbia, MD11 shared Bannor M. Macgregor · Durham, NC7 shared George Sadler · Raleigh, NC7 shared David E. Martirano · Boston, MA5 shared Lykourgos Tsirakis · NEW YORK, NY5 shared Panayotis Korantzopoulos · New York, NY5 shared Tom Yau · NEW YORK, NY5 shared Andrew Hahn · Orinda, CA4 shared Wei Zhang · Hong Kong, Hong Kong4 shared Jing Chen · Holliston, MA4 shared Teddie Wardi · PALO ALTO, CA4 shared Hong Yu · Holliston, MA4 shared Thomas K. Parsons, Jr · Grand Cayman, Cayman Islands4 shared Jeromy Salvesen · Issaquah, WA4 shared J. P. Durham, Jr · Charlotte, NC4 shared David Zuleta · Miami, FL4 shared James Shmerling · Holliston, MA4 shared Leo Benne · LANGLEY, British Columbia, Canada3 shared Headapohl William · Annapolis, MD3 shared Rodrigo Santana · LANGLEY, British Columbia, Canada3 shared Jason Boling · Annapolis, MD3 shared Ting Li · Holliston, MA3 shared Inderjit M. Singh · Grand Cayman, Cayman Islands3 shared

Recent filings (24)

OLC Fund 1, LPSep 2025 · 5 co-filers$6.0M OLC Fund 1, LPSep 2025 · 5 co-filers$6.0M Readystate Partners, LPMar 2025 · 17 co-filers Readystate Partners, LPMar 2024 · 17 co-filers OLC Fund 1, LPFeb 2024 · 5 co-filers$6.0M OLC Fund 1, LPFeb 2024 · 5 co-filers$6.0M Push Security, Inc.Apr 2023 · 10 co-filers$15.3M Push Security, Inc.Sep 2022 · 8 co-filers$4.1M Vernon Apartments LLCAug 2022 · 4 co-filers$1.9M OLC Fund 1, LPJun 2022 · 8 co-filers$6.0M Manchester Apartments LLCApr 2022 · 4 co-filers$3.1M DoubleBlue Partners, L.P.Oct 2021 · 2 co-filers Biostage, Inc.Jun 2021 · 23 co-filers$2.0M OLC Fund 1, LPMay 2021 · 8 co-filers$6.0M OLC Fund 1, LPApr 2021 · 8 co-filers$6.0M C2i Genomics, Inc.Apr 2021 · 13 co-filers$100.0M Biostage, Inc.Aug 2020 · 23 co-filers$6.9M OLC Fund 1, LPAug 2020 · 8 co-filers$6.0M DoubleBlue Partners, L.P.Jun 2020 · 4 co-filers C2i Genomics, Inc.Jun 2020 · 13 co-filers$12.0M Biostage, Inc.Apr 2020 · 23 co-filers$2.2M Biostage, Inc.Sep 2019 · 17 co-filers$1.3M OLC Fund 1, LPApr 2019 · 8 co-filers$6.0M Gillespie Hotel Group LLCJul 2018 · 7 co-filers$10.0M Biostage, Inc.Jun 2018 · 17 co-filers$3.6M

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