Live feed16:37:14·292dINSIDERFilingvia QuantisnowDirector Birkenbeuel Gary sold $86,050 worth of shares (2,390 units at $36.00), decreasing direct ownership by 6% to 37,725 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.TTEK· Tetra Tech Inc.Consumer DiscretionaryOriginal source