Investor · Baltimore, MD

Orin Hirschman

Open Orin in the network graph →

Filings

15

SEC Form D

Connections

16

co-filers

Capital

$97.6M

across filings

Active

Sep 2014

to Sep 2025

Most-connected co-filers (16)

Sean R. Hall · PEACHTREE CITY, GA10 shared Cy C. Smith · New York, NY8 shared Mark R. Schuck · Dallas, TX8 shared Millrace Asset Group, Inc · BERWYN, PA7 shared Millrace Capital GP, LP · Berwyn, PA7 shared John M. Ramey Iii · Richmond, VA4 shared Andrew J. Booth · Vancouver, British Columbia, Canada3 shared Jon E. Belanger · The Woodlands, TX3 shared Jeremiah P. O'Sullivan · Dublin, Ireland2 shared John Dearborn · Cleveland, OH2 shared C. Edward Springman · Bellevue, WA2 shared Jonathon Triest · Detroit, MI2 shared Conor Macguinness · Dublin 4, Ireland2 shared Mark Bertelsen · Salem, MA1 shared Al Silverman · Salem, MA1 shared William Kiester · Salem, MA1 shared

Recent filings (15)

AIGH Investment Partners, L.P.Sep 2025 · 2 co-filers AIGH Investment Partners, L.P.Aug 2024 · 2 co-filers MILLRACE FUND LPAug 2024 · 5 co-filers MILLRACE FUND LPJun 2023 · 5 co-filers MILLRACE FUND LPJul 2022 · 5 co-filers MILLRACE FUND LPJul 2021 · 5 co-filers MILLRACE FUND LPJul 2020 · 5 co-filers MILLRACE FUND LPJul 2019 · 3 co-filers MILLRACE FUND LPJul 2018 · 3 co-filers MILLRACE FUND LPJul 2017 · 3 co-filers MILLRACE FUND LPJul 2016 · 5 co-filers AIGH Investment Partners, L.P.Jan 2016 · 2 co-filers Page Street Publishing CoJul 2015 · 8 co-filers$50K MILLRACE FUND LPJul 2015 · 5 co-filers Page Street Publishing CoSep 2014 · 5 co-filers$900K

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