0000831641-21-000163.txt : 20211210 0000831641-21-000163.hdr.sgml : 20211210 20211210171458 ACCESSION NUMBER: 0000831641-21-000163 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211208 FILED AS OF DATE: 20211210 DATE AS OF CHANGE: 20211210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BURDICK STEVEN M CENTRAL INDEX KEY: 0001277150 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 211486264 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: 1003 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_163917448213000.xml FORM 4 X0306 4 2021-12-08 0 0000831641 TETRA TECH INC TTEK 0001277150 BURDICK STEVEN M 3475 EAST FOOTHILL BOULEVARD PASADENA, CA 91107 0 1 0 0 EVP, CFO COMMON STOCK 2021-12-08 4 S 0 16132 188.731 D 44393 D $188.730952 is an average price. Shares were sold at prices ranging from $187.42 to $190.57 per share. /s/ Preston Hopson, Attorney-in-fact for Steven M. Burdick 2021-12-10