Investor · Waltham, MA
John Castleman
Open John in the network graph →Capital
$62.6M
across filings
Active
Mar 2012
to Sep 2017
Most-connected co-filers (53)
Brett Thomas · Austin, TX6 sharedMark S. Shirman · Waltham, MA6 sharedPaul D. Margolis · Waltham, MA6 sharedThomas S. Sheehan · Waltham, MA5 sharedRobert Fischell · Ashdod, L34 sharedMonika Hagen · Berkeley, CA4 sharedGilman Louie · San Francisco, CA4 sharedJames E. Conley, Jr · Atlanta, GA4 sharedJohn Hanke · San Francisco, CA4 sharedRichard D. Dionne · Boston, MA4 sharedDaniel Meader · Southlake, TX4 sharedJohn T. Kelly · La Canada, CA4 sharedMichael Finnegan · Baltimore, MD4 sharedAndrew Levitt · Needham, MA4 sharedOliver Burgel · London, United Kingdom4 sharedMeg Holland · Mountain View, CA4 sharedJohn J. Hugeback · Bartlesville, OK4 sharedMichael A. Dipiano · Radnor, PA4 sharedMichael S. Donahue · Haverford, PA4 sharedMatthew S. Kondratowicz · HOUSTON, TX4 sharedWilliam L. Burke · Southlake, TX4 sharedSophie C. Pibouin · Columbus, OH4 sharedMatthew L. Chretien · Columbus, OH4 sharedKenji Okubo · San Francisco, CA3 shared Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See John in the interactive graph →