http://gulfstrategic.com/gc/wp-content/uploads/logo_final.jpg00PR PRhttp://gulfstrategic.com/gc/wp-content/uploads/logo_final.jpgPR PR2020-01-04 09:58:452020-01-04 17:12:26Tetra Tech, Inc. (NASDAQ:TTEK) SVP Brian N. Carter Sells 3,099 Shares - Riverton Roll