0000831641-21-000106.txt : 20211122 0000831641-21-000106.hdr.sgml : 20211122 20211122194445 ACCESSION NUMBER: 0000831641-21-000106 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211118 FILED AS OF DATE: 20211122 DATE AS OF CHANGE: 20211122 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: THOMPSON J KENNETH CENTRAL INDEX KEY: 0001188787 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 211434268 MAIL ADDRESS: STREET 1: ALASKA AIR GROUP STREET 2: 19300 PACIFIC HIGHWAY SOUTH CITY: SEATTLE STATE: WA ZIP: 98188 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_163762826861982.xml FORM 4 X0306 4 2021-11-18 0 0000831641 TETRA TECH INC TTEK 0001188787 THOMPSON J KENNETH 3475 EAST FOOTHILL BOULEVARD PASADENA, CA 91107 1 0 0 0 COMMON STOCK 2021-11-18 4 M 0 410 0 A 24848 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0.0 2021-11-18 4 M 0 410 0 D 2021-11-18 2021-11-19 COMMON STOCK 410.0 0 D Shares automatically acquired upon the vesting of restricted stock units (RSUs). The restricted stock units (RSUs) become 100% vested as to the shares underlying the RSUs on November 18, 2021. /s/ Preston Hopson, Attorney-in-fact for J. Kenneth Thompson 2021-11-22