Investor · Providence, RI

William Koster

Open William in the network graph →

Filings

4

SEC Form D

Connections

14

co-filers

Capital

$16.1M

across filings

Active

Jul 2013

to Jun 2018

Most-connected co-filers (14)

William H. Koster · Boston, MA3 shared Peter Barrett · Cambridge, MA2 shared Frank S. Menniti · Kingston, RI2 shared Richard Horan · Providence, RI2 shared James Bristol · Providence, RI2 shared Sharon Purcell · Seattle, WA1 shared John A. Kavanaugh · Carlisle, PA1 shared Barbara A. Rankin · Carlisle, PA1 shared Kollol Pal · Waltham, MA1 shared David A. Fitzsimmons · Carlisle, PA1 shared Satish Jindal · Cambridge, MA1 shared Steve Deitcher · Cambridge, MA1 shared Isaac Kohlberg · Cambridge, MA1 shared Vanessa King · Providence, RI1 shared

Recent filings (4)

Vedantra Pharmaceuticals, Inc.May 2016 · 7 co-filers$1.5M Mnemosyne Pharmaceuticals IncFeb 2015 · 11 co-filers$13.0M Mnemosyne Pharmaceuticals IncJul 2013 · 11 co-filers$11.4M

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