Live feed19:56:39·566dINSIDERFilingvia QuantisnowChairman, CEO and President Batrack Dan L covered exercise/tax liability with 11,708 shares and converted options into 21,255 shares, increasing direct ownership by 4% to 225,718 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.TTEK· Tetra Tech Inc.Consumer DiscretionaryOriginal source