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A Michael Krupka


  • Large Shareholder at Rapid7 Inc. (RPD), 2018-03-19
  • Large Shareholder at Quanterix Corp (QTRX), 2017-12-11
  • Director at Vonage Holdings Corp (VG), 2015-01-05
  • Large Shareholder at Linkedin Corp (LNKD), 2011-09-22
  • Large Shareholder at Solarwinds Inc. (SWI), 2011-06-28
  • Large Shareholder, Director at Princeton Review Inc (REVU), 2010-04-23
  • Large Shareholder at Edgar Online Inc (EDGR), 2010-02-01
Insider Trading: Sales See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
SWI $19.50 2,014,733 Large Shareholder 3,297,520 2011-02-11 Filing
SWI $17.50 2,421,431 Large Shareholder 5,312,253 2010-11-01 Filing
SWI $17.91 4,831,630 Large Shareholder 7,733,684 2009-11-18 Filing
SWI $11.63 547,325 Large Shareholder 12,565,314 2009-05-29 Filing
SWI $11.63 938,471 Large Shareholder 13,112,639 2009-05-26 Filing