0001972362-23-000604.txt : 20230808 0001972362-23-000604.hdr.sgml : 20230808 20230808181851 ACCESSION NUMBER: 0001972362-23-000604 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230808 DATE AS OF CHANGE: 20230808 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: 231152855 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: Amidon Derek G CENTRAL INDEX KEY: 0001721981 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 144 1 primary_doc.xml 144 0001721981 XXXXXXXX LIVE 0000831641 TETRA TECH INC 000-19655 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664 Amidon Derek G Officer COMMON ETRADE FINANCIAL CORPORATION

3 EDISON DRIVE ALPHARETTA GA 30005

1395 232965.00 53200000 08/08/2023 NASDAQ COMMON 08/08/2023 STOCK OPTION EXERCISE ISSUER N 1395 08/08/2023 COMPENSATION Y 08/08/2023 /s/ Derek Gordon Amidon