Investor · San Francisco, CA

John Macilwaine

Open John in the network graph →

Filings

22

SEC Form D

Connections

64

co-filers

Capital

$99.1M

across filings

Active

Nov 2019

to Jul 2021

Most-connected co-filers (64)

Greg Sands · San Francisco, CA12 shared Kin Kee · San Francisco, CA12 shared Matt Streisfeld · San Francisco, CA12 shared Boyd Woodard · Stockton, CA9 shared Jeffrey S. Mathiesen · Eden Prairie, MN5 shared Paul S. Buckman · Eden Prairie, MN5 shared David A. Rosa · Eden Prairie, MN5 shared Steve A. Mertens · Eden Prairie, MN5 shared Mark S. Christianson · Eden Prairie, MN5 shared Greg Schupra · Pontiac, MI5 shared Janet Planet · SPARKS, NV5 shared Kathryn A. Sykes · Phoenix, AZ5 shared Jeffrey R. Salzsauler · Nisku, Alberta, Canada5 shared Peter C. Guo · Nisku, Alberta, Canada5 shared Ken Johnson · Franklin, MI5 shared Alexander Dunev · Dallas, TX4 shared Chin Neo · Singapore, U04 shared Thomas J. Liston · Toronto, Ontario, Canada4 shared Chad Young · Salt Lake City, UT4 shared Peter H. Hewett · HOUSTON, TX4 shared Arena Capital Advisors Arena Capital Advisors, LLC · Los Angeles, CA4 shared Eva M. Fong · Vancouver, British Columbia, Canada4 shared Earl Jones · Cambridge, MA4 shared Dan Gatsby · Beverly Hills, CA4 shared

Recent filings (22)

Highnote Platform, Inc.Dec 2025 · 14 co-filers$119.0M Highnote Platform, Inc.Jan 2025 · 9 co-filers$100.0M Highnote Platform, Inc.Jan 2025 · 9 co-filers$100.0M Park Cities Income Partners LLCAug 2024 · 5 co-filers Ember Health MSO, LLCMar 2023 · 5 co-filers$1.9M Park Cities Equity Partners III LPMar 2023 · 5 co-filers$63.3M Park Cities Income Partners LLCAug 2021 · 5 co-filers Highnote Platform, Inc.Aug 2021 · 10 co-filers$42.6M Bay1, Inc.Jul 2021 · 11 co-filers$39.6M Bay1, Inc.Apr 2021 · 11 co-filers$36.6M NEUROONE MEDICAL TECHNOLOGIES CorpJan 2021 · 19 co-filers$12.5M Blue Duck Express, Inc.Dec 2020 · 14 co-filers$15.0M Blue Duck Express, Inc.Nov 2020 · 11 co-filers$30.0M Bay1, Inc.Oct 2020 · 11 co-filers$11.5M Bay1, Inc.Oct 2020 · 11 co-filers$11.5M Blue Duck Express, Inc.Oct 2020 · 11 co-filers Park Cities Income Partners LLCSep 2020 · 5 co-filers Ember Health MSO, LLCSep 2020 · 5 co-filers$1.0M NEUROONE MEDICAL TECHNOLOGIES CorpAug 2020 · 17 co-filers$135K NEUROONE MEDICAL TECHNOLOGIES CorpMay 2020 · 17 co-filers$6.0M Blue Duck Express, Inc.Nov 2019 · 19 co-filers$30.0M NEUROONE MEDICAL TECHNOLOGIES CorpNov 2019 · 17 co-filers$1.0M NEUROONE MEDICAL TECHNOLOGIES CorpNov 2019 · 17 co-filers$3.0M

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