Investor · Berkshire, United Kingdom

James Sullivan

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Filings

28

SEC Form D

Connections

183

co-filers

Capital

$218.7M

across filings

Active

May 2010

to Sep 2025

Most-connected co-filers (183)

Barbara J. Dalton · New York, NY9 shared M. J. Erwin · New York, NY9 shared David J. Schubert · New York, NY9 shared Lindsay J. Rayle · New York, NY8 shared Asish Xavier · San Francisco, CA8 shared David J. Mcelligott · New York, NY7 shared Misti R. Ushio · Gaithersburg, MD6 shared Joel J. Marcus · New York, NY6 shared Thong Le · New York, NY6 shared Steve Gillis · New York, NY5 shared Ronald Glibbery · San Jose, CA4 shared Daniel W. Lewis · San Jose, CA4 shared Robert W. Newell · San Jose, CA4 shared Ian W. Mcwalter · San Jose, CA4 shared Andreas W. Melder · San Jose, CA4 shared David Burgstahler · New York, NY3 shared Phil Seskin · Englewood, CO3 shared Peter Longo · Norwalk, CT3 shared Jonathan T. Silverstein · New York, NY3 shared Steve T. Gillis · Cambridge, MA3 shared Oni Chukwu · Norwalk, CT3 shared Peter Armstrong · Norwalk, CT3 shared Matthew Fish · Norwalk, CT3 shared Steven Cochran · Englewood, CO3 shared

Recent filings (28)

Peraso Inc.Sep 2025 · 15 co-filers$1.3M Peraso Inc.Sep 2025 · 15 co-filers$1.3M Peraso Inc.Nov 2024 · 9 co-filers$7.5M VANQUA BIO, INC.Jul 2024 · 11 co-filers$45.0M VANQUA BIO, INC.Jul 2024 · 11 co-filers$45.0M Pest IQ IncJul 2023 · 8 co-filers$600K Pest IQ IncJul 2023 · 8 co-filers$600K Peraso Inc.Jun 2023 · 5 co-filers$4.0M Peraso Inc.Dec 2022 · 5 co-filers$5.0M VANQUA BIO, INC.Sep 2021 · 13 co-filers$85.0M VANQUA BIO, INC.Sep 2021 · 13 co-filers$85.0M Monzo Bank LtdJun 2020 · 38 co-filers$125.6M Monzo Bank LtdJun 2020 · 38 co-filers$125.6M Lumber City Partners LLCOct 2019 · 1 co-filer$4.0M Lumber City Partners LLCOct 2019 · 1 co-filer$4.0M CHAMISHI THERAPEUTICS, INC.Oct 2019 · 3 co-filers$1.2M CHAMISHI THERAPEUTICS, INC.Oct 2019 · 3 co-filers$1.2M SURMOUNT BIO, INC.Oct 2019 · 5 co-filers$18.0M SURMOUNT BIO, INC.Oct 2019 · 5 co-filers$18.0M ApoGen Biotechnologies, Inc.Aug 2018 · 11 co-filers$7.6M MoSys, Inc.Aug 2017 · 4 co-filers$1.1M Rodeo Therapeutics CorpAug 2017 · 16 co-filers$5.9M Rodeo Therapeutics CorpAug 2017 · 16 co-filers$5.9M Lodo Therapeutics CorpJan 2017 · 31 co-filers$19.9M ApoGen Biotechnologies, Inc.Dec 2016 · 22 co-filers$7.3M

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