Investor · Woburn, MA

Walter Massenburg

Open Walter in the network graph →

Filings

7

SEC Form D

Connections

42

co-filers

Capital

$6.0M

across filings

Active

Jan 2014

to Jan 2014

Most-connected co-filers (42)

Zackary Anderson · Billerica, MA7 shared Timothy Wyman · Woburn, MA5 shared Luke Murray · VICTORIA, Channel Islands4 shared Nicholas Crocker · VICTORIA, Channel Islands4 shared Claudia Hirawat · South Plainfield, NJ4 shared Robert A. Renner · Alpharetta, GA4 shared Michael Kranda · Bellevue, WA4 shared Stuart Mcleod · San Francisco, CA4 shared John Freeman · San Francisco, CA4 shared Patrick J. Morris · Chicago, IL4 shared Paul Norman · Irvine, CA4 shared Dallas M. Hakes · Springville, UT4 shared Joseph Malhas · Los Angeles, CA4 shared Timothy Streufert · Los Angeles, CA4 shared Joseph Onofrio · Orem, UT4 shared Axel Bolte · Boston, MA4 shared Jay Tanner · Victoria, British Columbia, Canada3 shared Geoffrey Mcdonough · Cambridge, MA3 shared Shakeel Avadhany · Woburn, MA3 shared Howard Leonhardt · salt lake city, UT3 shared Anna C. Castner Wightman · CENTENNIAL, CO3 shared David R. Delgado · Tucson, AZ2 shared Ronan W. Guilfoyle · Grand Cayman, Cayman Islands2 shared Jeffrey L. Posner · Scottsdale, AZ2 shared

Recent filings (7)

Levant Power CorpJan 2014 · 10 co-filers$6.0M PTC THERAPEUTICS, INC.May 2013 · 23 co-filers$4.5M PTC THERAPEUTICS, INC.Mar 2013 · 23 co-filers$60.0M PTC THERAPEUTICS, INC.Feb 2013 · 25 co-filers$16.1M Levant Power CorpSep 2012 · 7 co-filers$2.5M Levant Power CorpSep 2012 · 7 co-filers$1.1M PTC THERAPEUTICS, INC.Jun 2012 · 22 co-filers$40.0M

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