Comcast Corp. (NASDAQ:CMCSA) edged up 0.49% in the pre-market session to $28.71 on Thursday.According to Benzinga Pro data, CMCSA closed regular session at $28.57, down 5.02%.Insiders Report Transactions iOn Wednesday, Chief Communications Officer Jennifer Khoury exercised 10,867 options at $28.38, totaling $308,405. She then surrendered 10,514 shares at $30.08, totaling $316,261, to cover tax obligations. Now her net holdings in the media and technology company stand at 60,538 shares.According to a separat ...