Live feed19:06:06·1164dINSIDERFilingvia QuantisnowSEC Form 4: Drobny Dane A converted options into 8,289 shares and covered exercise/tax liability with 3,673 shares, increasing direct ownership by 3% to 145,823 units (withholding obligation)ByQuantisnow·Wall Street's wire, on your screen.GRPN· Groupon Inc.Consumer DiscretionaryOriginal source