0001972362-23-001005.txt : 20231120 0001972362-23-001005.hdr.sgml : 20231120 20231120181919 ACCESSION NUMBER: 0001972362-23-001005 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231120 DATE AS OF CHANGE: 20231120 SUBJECT COMPANY: 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: 1001 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 231423949 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: THOMPSON J KENNETH CENTRAL INDEX KEY: 0001188787 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: ALASKA AIR GROUP STREET 2: 19300 PACIFIC HIGHWAY SOUTH CITY: SEATTLE STATE: WA ZIP: 98188 144 1 primary_doc.xml 144 0001188787 XXXXXXXX LIVE 0000831641 TETRA TECH INC 000-19655 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664 THOMPSON J KENNETH Director COMMON Morgan Stanley Smith Barney LLC Executive Services

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4460 739369.15 53200000 11/20/2023 NASDAQ COMMON 11/18/2018 RESTRICTED STOCK ISSUER N 222 11/18/2018 COMPENSATION COMMON 11/18/2022 RESTRICTED STOCK ISSUER N 318 11/18/2022 COMPENSATION COMMON 11/18/2021 RESTRICTED STOCK ISSUER N 410 11/18/2021 COMPENSATION COMMON 11/20/2018 PERFORMANCE SHARES ISSUER N 1800 11/20/2018 COMPENSATION COMMON 11/18/2022 PERFORMANCE SHARES ISSUER N 1710 11/18/2022 COMPENSATION Y 11/20/2023 /s/ James Kenneth Thompson