Live feed17:08:00·982dINSIDERFilingvia QuantisnowSEC Form 4: Senkypl Dusan exercised 437,500 shares at a strike of $6.00, increasing direct ownership by 3,768% to 449,112 unitsByQuantisnow·Wall Street's wire, on your screen.GRPN· Groupon Inc.Consumer DiscretionaryOriginal source