Investor · New York, NY

Grant F. Winthrop

Open Grant in the network graph →

Filings

11

SEC Form D

Connections

12

co-filers

Capital

—

across filings

Active

Mar 2009

to Dec 2025

Most-connected co-filers (12)

Amanda Cardinalli · SALT LAKE CITY, UT9 shared Jeremiah Milbank Iii · New York, NY9 shared Alexander Walker Iii · SALT LAKE CITY, UT9 shared John H. Durbin · SALT LAKE CITY, UT9 shared Peter F. Tobeason · New York, NY9 shared Michael Boswell · Menlo Park, CA9 shared David H. Taylor Jr · New York, NY9 shared Janice C. Bennett · New York, NY9 shared Dan R. Baker · SALT LAKE CITY, UT9 shared Christopher J. Braithwaite · Birmingham, AL2 shared Virginia A. Szepietowski · Birmingham, AL2 shared Stephen Murphy · Long Beach, NY2 shared

Recent filings (11)

Naiad Inc.Dec 2025 · 5 co-filers$320K Naiad Inc.Oct 2025 · 5 co-filers$2.0M MW SPECIAL SITUATIONS, L.P.Feb 2011 · 9 co-filers MW Global Partners, L.P.Feb 2011 · 9 co-filers MW SMALL CAP, L.P.Feb 2011 · 9 co-filers MW Global Partners, L.P.Feb 2010 · 9 co-filers MW SMALL CAP, L.P.Feb 2010 · 9 co-filers MW SPECIAL SITUATIONS, L.P.Feb 2010 · 9 co-filers MW Global Partners, L.P.Mar 2009 · 9 co-filers MW SPECIAL SITUATIONS LPMar 2009 · 9 co-filers MW SMALL CAP LPMar 2009 · 9 co-filers

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