0000831641-23-000077.txt : 20231121 0000831641-23-000077.hdr.sgml : 20231121 20231121215311 ACCESSION NUMBER: 0000831641-23-000077 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231118 FILED AS OF DATE: 20231121 DATE AS OF CHANGE: 20231121 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: 231429860 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: 1001 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 wk-form4_1700621581.xml FORM 4 X0508 4 2023-11-18 0 0000831641 TETRA TECH INC TTEK 0001188787 THOMPSON J KENNETH 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 1 0 0 0 0 COMMON STOCK 2023-11-20 4 S 0 950 166.027 D 16886 D COMMON STOCK 2023-11-20 4 S 0 3510 165.71 D 13376 D COMMON STOCK 2023-11-18 4 M 0 380 0 A 13756 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0 2023-11-18 4 M 0 380 0 D 2023-11-18 COMMON STOCK 380 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.95 to $166.07, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.63 to $165.91, inclusive. The restricted stock units (RSUs) become vested as to 100% of the shares underlying the RSUs on November 18, 2023. The RSUs are exercisable at the time of vesting and do not have a set expiration date. /s/ Preston Hopson, Attorney-in-fact for J. Kenneth Thompson 2023-11-21