Investor · London, United Kingdom
William B. Cook
Open William in the network graph →Filings
47
SEC Form D
Connections
111
co-filers
Capital
$4.7M
across filings
Active
Feb 2013
to Apr 2017
Most-connected co-filers (111)
David A. Pelham · London, United Kingdom44 sharedThomas R. Hill · London, United Kingdom44 sharedMatthew C. Idiens · London, United Kingdom44 sharedDaniel E. Betts · London, United Kingdom44 sharedStephen A. Betts · London, United Kingdom44 sharedRussell R. King · London, United Kingdom43 sharedRobert Rosenblatt · San Jose, CA40 sharedTimothy J. Church · New York, NY40 sharedDavid A. Brown · Los Angeles, CA40 sharedWillem Roelandts · Palo Alto, CA40 sharedHawk Ridge Management LLC · Los Angeles, CA40 sharedJohn Gardner · San Jose, CA40 sharedDavid Bradley · Los Angeles, CA40 sharedBrienne Ghafourifar · Palo Alto, CA40 sharedGeneral Atlantic Service Company LLC · New York, NY40 sharedRobert Pope · San Jose, CA40 sharedSteve Saraccino · San Jose, CA40 sharedLaura Sachar · San Jose, CA40 sharedMartino Borelli · San Francisco, CA40 sharedAlexei Agratchev · San Jose, CA40 sharedWayne Ross · Grand Cayman, Cayman Islands40 sharedNichola Dunkley · Road Town, Tortola, British Virgin Islands40 sharedGabriel E. Caillaux · London, United Kingdom38 sharedJohn F. Bernstein · London, United Kingdom38 shared
Recent filings (47)
Brain Jar Games, Inc.Oct 2025 · 6 co-filers$5.5MBrain Jar Games, Inc.Oct 2025 · 6 co-filers$5.5MBrain Jar Games, Inc.Oct 2025 · 6 co-filers$5.5MBrain Jar Games, Inc.Mar 2024 · 8 co-filers$6.7MBrain Jar Games, Inc.Mar 2024 · 8 co-filers$6.7MBrain Jar Games, Inc.Mar 2024 · 8 co-filers$6.7MGeneral Atlantic Partners 100, L.P.Apr 2017 · 67 co-filersGeneral Atlantic Partners (Bermuda) IV, L.P.Apr 2017 · 67 co-filersGeneral Atlantic Partners 93, L.P.Mar 2017 · 67 co-filersGeneral Atlantic Partners (Bermuda) EU, L.P.Mar 2017 · 67 co-filersGeneral Atlantic Partners (Bermuda) III, L.P.Mar 2017 · 67 co-filersHummingbird Resources PLCJul 2016 · 21 co-filers$3.5MGeneral Atlantic Partners 93, L.P.Jun 2016 · 63 co-filersGeneral Atlantic Partners (Bermuda) III, L.P.Jun 2016 · 63 co-filersGeneral Atlantic Partners (Bermuda) III, L.P.Feb 2016 · 61 co-filersGeneral Atlantic Partners 93, L.P.Feb 2016 · 61 co-filersHummingbird Resources plcApr 2015 · 17 co-filers$3.0MHummingbird Resources plcApr 2015 · 17 co-filers$1.2MGeneral Atlantic Partners 93, L.P.Feb 2015 · 54 co-filersGeneral Atlantic Partners (Bermuda) III, L.P.Feb 2015 · 54 co-filersGeneral Atlantic Partners 93, L.P.Jul 2014 · 35 co-filersGeneral Atlantic Partners (Bermuda) III, L.P.Jul 2014 · 35 co-filersGeneral Atlantic Partners (Bermuda) III, L.P.Jul 2013 · 39 co-filersGeneral Atlantic Partners 93, L.P.Jul 2013 · 39 co-filersGeneral Atlantic Investment Partners 2013, L.P.Jul 2013 · 39 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See William in the interactive graph →