0000831641-21-000096.txt : 20211122 0000831641-21-000096.hdr.sgml : 20211122 20211122194126 ACCESSION NUMBER: 0000831641-21-000096 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: CHRISTENSEN CRAIG L CENTRAL INDEX KEY: 0001206709 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 211434256 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_163762807208438.xml FORM 4 X0306 4 2021-11-18 0 0000831641 TETRA TECH INC TTEK 0001206709 CHRISTENSEN CRAIG L 3475 EAST FOOTHILL BOULEVARD PASADENA, CA 91107 0 1 0 0 SVP, CIO COMMON STOCK 2021-11-18 4 M 0 539 0 A 33978 D COMMON STOCK 2021-11-18 4 M 0 407 0 A 34385 D COMMON STOCK 2021-11-18 4 M 0 308 0 A 34693 D COMMON STOCK 2021-11-18 4 F 0 901 187.88 D 33792 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0.0 2021-11-18 4 M 0 539 0 D 2019-11-18 2022-11-18 COMMON STOCK 539.0 539 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0.0 2021-11-18 4 M 0 407 0 D 2020-11-18 2023-11-21 COMMON STOCK 407.0 814 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0.0 2021-11-18 4 M 0 308 0 D 2021-11-18 2024-11-19 COMMON STOCK 308.0 922 D The award becomes vested as to 25% of the RSUs on the anniversary of the grant date. Represents the combined number of shares withheld to pay the related tax liability on a total of 1,684 restricted stock units (RSUs) which vested on 11/18/2021. The RSUs become vested as to 25% of the shares on November 18, 2019, and the anniversary of that date going forward until fully vested. The RSUs become vested as to 25% of the shares on November 18, 2020, and the anniversary of that date going forward until fully vested. The RSUs become vested as to 25% of the shares on November 18, 2021, and the anniversary of that date going forward until fully vested. /s/ Preston Hopson, Attorney-in-fact for Craig L. Christensen 2021-11-23