0000831641-18-000028.txt : 20180226 0000831641-18-000028.hdr.sgml : 20180226 20180226181202 ACCESSION NUMBER: 0000831641-18-000028 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180223 FILED AS OF DATE: 20180226 DATE AS OF CHANGE: 20180226 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Rynning Mark A CENTRAL INDEX KEY: 0001722242 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 18642148 MAIL ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: TETRA TECH INC CENTRAL INDEX KEY: 0000831641 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-ENGINEERING SERVICES [8711] IRS NUMBER: 954148514 STATE OF INCORPORATION: DE FISCAL YEAR END: 0928 BUSINESS ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 BUSINESS PHONE: 6263514664 MAIL ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 4 1 wf-form4_151968670799035.xml FORM 4 X0306 4 2018-02-23 0 0000831641 TETRA TECH INC TTEK 0001722242 Rynning Mark A 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 0 1 0 0 SVP COMMON STOCK 2018-02-23 4 S 0 660 50.438 D 3358 D All shares sold at an exact price. /s/ Steven M. Burdick, Attorney-in-Fact for Mark A. Rynning 2018-02-26