Ledger.
Investor · New York, NY

Callahan Mark

Open Callahan in the network graph →
Filings
6
SEC Form D
Connections
12
co-filers
Capital
across filings
Active
Feb 2009
to Feb 2026

Most-connected co-filers (12)

Iacovacci Paul · New York, NY6 sharedDouglas Monticciolo · NEW YORK, NY4 sharedMark S. Siegel · LOS ANGELES, CA3 sharedDahlia Loeb · New York, NY3 sharedRobert G. Moses · Naples, FL3 sharedFlynn Sean · Gardenia Court, Camana Bay, Cayman Islands2 sharedMinoru Yoshida · Santa Clara, CA1 sharedLaurence L. Gottlieb · New York, NY1 sharedCharles C. Chambless · Billings, MT1 sharedAubrey L. Prince · Madison, MS1 sharedEdward E. Fernandez · Southlake, TX1 sharedBruce D. Smith · Missoula, MT1 shared

Recent filings (6)

Refuge Capital Fund Two, LLCFeb 2026 · 4 co-filers$20.8MRefuge Capital Fund Three, LLCDec 2025 · 8 co-filers$11.2MBrevet Capital Special Opportunities Fund III, L.P.Mar 2011 · 3 co-filersBrevet Capital Special Opportunities Fund III, L.P.Mar 2011 · 5 co-filersBrevet Capital Special Opportunities Fund III, L.P.Feb 2010 · 5 co-filersBrevet Capital Special Opportunities Fund III, L.P.Feb 2009 · 5 co-filers

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