Investor · Redwood City, CA

Charles A. Taylor

Open Charles in the network graph →

Filings

32

SEC Form D

Connections

134

co-filers

Capital

$259.7M

across filings

Active

Jul 2009

to Jun 2019

Most-connected co-filers (134)

John Stevens · Redwood City, CA17 shared Christopher K. Zarins · Redwood City, CA15 shared Casey D. Tansey · Menlo Park, CA14 shared Philip M. Young · Redwood City, CA12 shared Barry Uphoff · Washington, Washington, D.C.12 shared Jeffrey C. Lightcap · Lewisville, TX10 shared Lonnie M. Smith · Redwood City, CA10 shared William M. Weldon · Redwood City, CA9 shared Tom M. Hawes · Redwood City, CA9 shared Guido Neels · Watertown, MA7 shared Jeff Closs · Santa Barbara, CA7 shared Michael Gertner · BELLEVUE, WA6 shared Robert D. Mitchell · Palo Alto, CA6 shared William Nighan · Palo Alto, CA6 shared Robert Mitchell · Mountain View, CA5 shared H. Baird M. Radford, Iii · Redwood City, CA4 shared Bruce E. Clarke · Boston, MA4 shared Thomas Proulx · San Francisco, CA4 shared John Knopf · CAMBRIDGE, MA4 shared Matthew Sherman · Lexington, MA4 shared Carl L. Gordon · New York, NY4 shared Jean C. George · Cambridge, MA4 shared Tom A. Maniatis · Cambridge, MA4 shared Nicholas Hayes · San Diego, CA4 shared

Recent filings (32)

MAIN CIRCLE MEDICAL, INC.Nov 2025 · 11 co-filers$2.8M MAIN CIRCLE MEDICAL, INC.Nov 2025 · 11 co-filers$2.8M Heartflow, Inc.Jun 2019 · 19 co-filers$100.0M Heartflow, Inc.Jun 2019 · 19 co-filers$100.0M Heartflow, Inc.Dec 2017 · 25 co-filers$150.0M Heartflow, Inc.Dec 2017 · 25 co-filers$150.0M Heartflow, Inc.May 2016 · 28 co-filers$110.9M IES Diagnostics, Inc.Mar 2015 · 10 co-filers$4.0M Heartflow, Inc.Feb 2015 · 26 co-filers$46.3M IES Diagnostics, Inc.Oct 2014 · 10 co-filers$4.0M TRXADE GROUP, INC.Oct 2014 · 12 co-filers$2.0M TRXADE GROUP, INC.Aug 2014 · 7 co-filers$375K TRXADE GROUP, INC.Aug 2014 · 7 co-filers$64.9M Heartflow, Inc.Feb 2014 · 19 co-filers$106.7M Heartflow, Inc.Feb 2014 · 19 co-filers$106.7M Heartflow, Inc.Feb 2012 · 19 co-filers$75.0M ACCELERON PHARMA INCJan 2012 · 29 co-filers$30.5M Heartflow, Inc.Dec 2011 · 19 co-filers$75.0M Earth Partners LPDec 2011 · 3 co-filers$50K BrainRewards, Inc.Apr 2011 · 7 co-filers$1.0M Search Minerals Inc.Mar 2011 · 15 co-filers$6.1M Heartflow, Inc.Feb 2011 · 11 co-filers$20.8M Nellix IncSep 2010 · 11 co-filers$13.6M Heartflow, Inc.Sep 2010 · 11 co-filers$20.1M BRAINREWARDS INCJul 2010 · 5 co-filers$750K

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