Live feed17:38:14·845dINSIDERFilingvia QuantisnowGuerin Mark Patrick converted options into 6,900 shares and covered exercise/tax liability with 2,443 shares, increasing direct ownership by 18% to 29,901 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ONTX· Onconova Therapeutics Inc.Health CareOriginal source