Investor · Blacksburg, VA

Burton Sobel

Open Burton in the network graph →

Filings

47

SEC Form D

Connections

156

co-filers

Capital

—

across filings

Active

Mar 2009

to Feb 2012

Most-connected co-filers (156)

Larry D. Horner · Germantown, MD31 shared Dean J. Mitchell · Germantown, MD31 shared Steven L. Frank · Germantown, MD16 shared Jason I. Punzel · Appleton, WI15 shared Steve Thiry · Appleton, WI15 shared Brent Stuhley · Appleton, WI15 shared David J. Zaccardi · Blacksburg, VA11 shared Thomas D. Reed · Germantown, MD11 shared Cesar L. Alvarez · Germantown, MD11 shared Rick L. Sterling · Germantown, MD11 shared Randal J. Kirk · West Palm Beach, FL11 shared Gerardo Zapata · Blacksburg, VA10 shared Robert P. Beech · Blacksburg, VA10 shared Tom Goralski · Blacksburg, VA9 shared Grace Colon · Blacksburg, VA8 shared Seth W. Chandler · San Francisco, CA8 shared Ronald B. Herberman · Pittsburgh, PA8 shared John Marshall · San Francisco, CA8 shared Sunil Chada · Blacksburg, VA6 shared Christopher D. Ozeroff · Westminster, CO6 shared Nadim N. Vasanji · Toronto, Ontario, Canada5 shared Taylor W. Garrett · Pleasant Grove, UT5 shared Jeffrey S. Serota · Los Angeles, CA5 shared Eric Andersen · Curacao, P85 shared

Recent filings (47)

Cato Fund Ltd.Mar 2013 · 4 co-filers ARCA biopharma, Inc.Feb 2013 · 13 co-filers$1.0M ARCA biopharma, Inc.Dec 2012 · 13 co-filers$250K ARCA biopharma, Inc.Oct 2012 · 13 co-filers$325K SANDRIDGE ENERGY INCAug 2012 · 33 co-filers$1.1B SANDRIDGE ENERGY INCApr 2012 · 31 co-filers$750.0M SANDRIDGE ENERGY INCApr 2012 · 31 co-filers$542.1M Cato Fund Ltd.Mar 2012 · 4 co-filers STELLA CAPITAL PARTNERS LPFeb 2012 · 3 co-filers ARCA biopharma, Inc.Jan 2012 · 15 co-filers$4.5M INTREXON CORPNov 2011 · 35 co-filers$1.1M INTREXON CORPSep 2011 · 35 co-filers$17.0M INTREXON CORPJun 2011 · 29 co-filers$91.8M INTREXON CORPMay 2011 · 29 co-filers$550K INTREXON CORPApr 2011 · 26 co-filers$66.9M White Cap Vantage Point, LLCApr 2011 · 7 co-filers$2.4M TPI COMPOSITES, INCApr 2011 · 16 co-filers White Cap Vantage Point, LLCApr 2011 · 7 co-filers$2.4M SANDRIDGE ENERGY INCMar 2011 · 33 co-filers$900.0M White Cap Vantage Point, LLCMar 2011 · 7 co-filers$2.4M TPI COMPOSITES INCMar 2011 · 16 co-filers$500K White Cap Vantage Point V, LLCFeb 2011 · 7 co-filers$1.6M INTREXON CORPFeb 2011 · 29 co-filers$56.0M STELLA CAPITAL PARTNERS LPFeb 2011 · 3 co-filers INTREXON CORPFeb 2011 · 29 co-filers$1.3M

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