0000831641-22-000098.txt : 20221122 0000831641-22-000098.hdr.sgml : 20221122 20221122205458 ACCESSION NUMBER: 0000831641-22-000098 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20221118 FILED AS OF DATE: 20221122 DATE AS OF CHANGE: 20221122 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Birkenbeuel Gary CENTRAL INDEX KEY: 0001748476 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 221412095 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: 1002 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_166916848379582.xml FORM 4 X0306 4 2022-11-18 0 0000831641 TETRA TECH INC TTEK 0001748476 Birkenbeuel Gary 3475 EAST FOOTHILL BLVD. PASADENA CA 91107 1 0 0 0 COMMON STOCK 2022-11-18 4 A 0 1710 0 A 7537 D Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2018 Equity Incentive Plan. /s/ Preston Hopson, Attorney-in-fact for Gary Birkenbeuel 2022-11-22