Investor · Las Vegas, NV

Mark S. Madsen

Open Mark in the network graph →

Filings

12

SEC Form D

Connections

36

co-filers

Capital

—

across filings

Active

Nov 2009

to Mar 2011

Most-connected co-filers (36)

William N. Weir · King of Prussia, PA5 shared David Johnson · St. Louis Park, MN4 shared Robert O. Bolan · King of Prussia, PA3 shared Alexander Klabin · New York, NY3 shared Ian A. Pilgrim · Hamilton, Bermuda3 shared Jonathan Wyatt Gruber · Larkspur, CA3 shared Usama A. Fayyad · Buffalo, NY3 shared Steven Semmelmayer · VANCOUVER, British Columbia, Canada3 shared Gilman Louie · San Francisco, CA2 shared Douglas Silverman · New York, NY2 shared Jeffrey Richards · New York, NY2 shared Jeff S. Fronterhouse · Dallas, TX2 shared Michael Orsak · Austin, TX2 shared Lucas Cutler · HOUSTON, TX2 shared Scott M. Raymond · Stamford, CT2 shared Ronald J. Klump · Highlands Ranch, CO2 shared Sean Parker · Palo Alto, CA2 shared David Thacker · San Mateo, CA2 shared Richard Domaleski · Worcester, MA2 shared David Steele · NORTH VANCOUVER, British Columbia, Canada2 shared Samuel Seavitte · Kenosha, WI2 shared Patrick K. Mcgee · Dallas, TX2 shared Jeffrey Valeri · Kenosha, WI2 shared Steven L. Woda · MCLEAN, VA2 shared

Recent filings (12)

IMPACT HOLDING, INC.Feb 2012 · 11 co-filers$1.5M ChoozOn CorpJan 2012 · 10 co-filers$1.5M InGeo Systems, Inc.Nov 2011 · 7 co-filers$10.0M ChoozOn CorpAug 2011 · 7 co-filers$750K ChoozOn CorpAug 2011 · 9 co-filers$2.5M IMPACT HOLDING, INC.Apr 2011 · 10 co-filers$3.0M Workhorse Fund, LPMar 2011 · 1 co-filer$100.0M Workhorse Fund, LPMar 2011 · 1 co-filer$100.0M Gowalla IncJan 2010 · 9 co-filers$8.4M Gowalla IncDec 2009 · 9 co-filers$8.4M Workhorse Fund, LPDec 2009 · 1 co-filer$100.0M Workhorse Fund, LPNov 2009 · 1 co-filer$100.0M

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