Investor · Dallas, TX
Douglas M. Macmahon
Open Douglas in the network graph →Filings
16
SEC Form D
Connections
53
co-filers
Capital
$58.4M
across filings
Active
Aug 2024
to Oct 2025
Most-connected co-filers (53)
Alice Evarts · San Francisco, CA13 sharedSteve Millham · New York, NY13 sharedDavide Leone · San Francisco, CA13 sharedBarry P. Julien · LOS ANGELES, CA11 sharedThomas M. Buffington · New York, NY11 sharedAndrew Adamson · KELOWNA, British Columbia, Canada11 sharedThomas Steyer · SAN FRANCISCO, CA11 sharedJoe Ackerman · Miami, FL11 sharedGavin Beekman · Miami, FL11 sharedJody C. Dahrouge · VANCOUVER, British Columbia, Canada11 sharedIsaac A. Souede · New York, NY11 sharedJohn A. Staley, Iv · PITTSBURGH, PA11 sharedJason E. Moment · San Francisco, CA10 sharedJames D. Roberge · PITTSBURGH, PA10 sharedAshish H. Pant · New York, NY10 sharedWilliam M. Rapaglia · Durham, NC10 sharedMatthew Leavitt · Miami, FL10 sharedBrian Hirsch · Washington, Washington, D.C.10 sharedRichard H. Voon · San Francisco, CA10 sharedWilliam F. Duhamel · San Francisco, CA10 sharedKenneth D. Malamed · LOS ANGELES, CA9 sharedFarallon Partners, L.L.C · San Francisco, CA9 sharedJeffrey J. Shelstad · St. Paul, MN8 sharedFrank Estergaard · Kelowna, British Columbia, Canada8 shared
Recent filings (16)
240 Post, LLCOct 2025 · 4 co-filers$33.0M240 Post, LLCOct 2025 · 4 co-filers$33.0MHFGO Investors, LLCSep 2024 · 3 co-filers$5.9MHFGO Investors, LLCSep 2024 · 3 co-filers$5.9M225 Post, LLCAug 2024 · 3 co-filers$19.5M225 Post, LLCAug 2024 · 3 co-filers$19.5MFarallon Asia Special Situations Master, L.P.Oct 2010 · 21 co-filersFarallon Asia Special Situations, L.P.Oct 2010 · 20 co-filersFarallon Capital (AM) Investors, L.P.Sep 2010 · 20 co-filersFarallon Special Investment Partners, L.P.Mar 2010 · 26 co-filersSIDECAR PARTNERS HOLDINGS, L.P.Mar 2010 · 26 co-filersSIDECAR PARTNERS, L.P.Mar 2010 · 26 co-filersFARALLON SPECIAL INVESTMENT PARTNERS II, L.P.Mar 2010 · 26 co-filersFCOI II Holdings, L.P.Mar 2010 · 23 co-filersFarallon Capital Institutional Partners, L.P.Mar 2010 · 26 co-filersFarallon Capital Partners, L.P.Mar 2010 · 26 co-filersFarallon Investment Holdings, L.P.Mar 2010 · 26 co-filersMPM BIOVENTURES V, L.P.Feb 2010 · 19 co-filersMPM BIOVENTURES V, L.P.Feb 2010 · 19 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Douglas in the interactive graph →