0000831641-18-000185.txt : 20181121 0000831641-18-000185.hdr.sgml : 20181121 20181121201007 ACCESSION NUMBER: 0000831641-18-000185 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20181120 FILED AS OF DATE: 20181121 DATE AS OF CHANGE: 20181121 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Argus Roger R CENTRAL INDEX KEY: 0001721930 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 181199088 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: 0930 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_154284899169403.xml FORM 4 X0306 4 2018-11-20 0 0000831641 TETRA TECH INC TTEK 0001721930 Argus Roger R 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 0 1 0 0 SVP, Government Services Group COMMON STOCK 2018-11-20 4 F 0 217 63.44 D 4896 D COMMON STOCK 2018-11-21 4 F 0 199 62.68 D 4697 D Represents the shares underlying restricted stock units (RSUs) which vested on 11/20/2018 and 11/21/2018 and were withheld to pay the related tax liability. /s/ Preston Hopson III, Attorney-in-fact for Roger R. Argus 2018-11-21