Investor · Boston, MA

William A. Mccullen

Open William in the network graph →

Filings

62

SEC Form D

Connections

254

co-filers

Capital

$9.4M

across filings

Active

Jun 2017

to Feb 2023

Most-connected co-filers (254)

Kedar Gupta · North Andover, MA8 shared Konstantine B. Drakonakis · New Haven, CT8 shared Lee Taylor · Boston, MA8 shared Christopher J. Bullock · Maynard, MA7 shared Timothy Ericson · Cambridge, MA7 shared Rachel R. Law · New York, NY7 shared Andrew Feinberg · New York, NY7 shared David Michael · North Andover, MA7 shared Martin A. O'Malley · Baltimore, MD7 shared John D. Blanchard · Montgomery, AL6 shared Ripple Capital Management Llc · NEW YORK, NY6 shared Leslie F. Foley · Rye, NY6 shared Aaron Bent · North Andover, MA6 shared Breellen Loughlin · Fitchburg, WI6 shared David Seldin · Tampa, FL6 shared Alan M. Ezrin · Louisville, KY6 shared John P. Mckearn · St. Louis, MO6 shared Mark Little · North Andover, MA6 shared Justin G. Gorenkoff · New York, NY5 shared David S. Katz · CHICAGO, IL5 shared Chris Richards · RALEIGH, NC5 shared Daniel G. Goldberg · New York, NY5 shared Prateek L. Mehrotra · Appleton, WI5 shared Richard Webb · RALEIGH, NC5 shared

Recent filings (62)

CGIOF II Feeder, S.C.Sp.Dec 2025 · 24 co-filers Carlyle Global Infrastructure Opportunity Fund II, S.C.Sp.Dec 2025 · 24 co-filers 6K Inc.Aug 2024 · 18 co-filers$222.0M 6K Inc.Aug 2024 · 18 co-filers$222.0M Osiris Exchange, Inc.Feb 2023 · 6 co-filers$1.0M Cyvl, Inc.Sep 2022 · 5 co-filers$3.5M Cyvl, Inc.Sep 2022 · 5 co-filers$3.5M 6K Inc.Aug 2022 · 29 co-filers$122.7M Global Crypto Opportunity Fund Series - A Separate Series of Ridgewood Funds LLCJul 2022 · 2 co-filers 6K Inc.Apr 2022 · 29 co-filers$101.9M REsurety, Inc.Oct 2021 · 11 co-filers$16.0M REsurety, Inc.Oct 2021 · 11 co-filers$16.0M 6K Inc.Jan 2021 · 20 co-filers$10.1M Hancock Jaffe Laboratories, Inc.Aug 2020 · 18 co-filers$1.6M 6K Inc.Jul 2020 · 20 co-filers$5.2M 6K Inc.Jul 2020 · 20 co-filers$1.8M ClearGov Inc.Jun 2020 · 14 co-filers$3.0M Hancock Jaffe Laboratories, Inc.Mar 2020 · 19 co-filers$890K ClearGov Inc.Mar 2020 · 14 co-filers$500K ClearGov Inc.Mar 2020 · 14 co-filers$1.5M Hancock Jaffe Laboratories, Inc.May 2019 · 17 co-filers$2.7M Ridgewood Select Value Fund LPMay 2019 · 4 co-filers Hancock Jaffe Laboratories, Inc.Apr 2019 · 17 co-filers$2.7M ClearGov Inc.Apr 2019 · 14 co-filers$4.2M ICONIQ Access XXXVII, L.P.Aug 2018 · 3 co-filers

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