0000831641-21-000066.txt : 20210903 0000831641-21-000066.hdr.sgml : 20210903 20210903190352 ACCESSION NUMBER: 0000831641-21-000066 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210903 FILED AS OF DATE: 20210903 DATE AS OF CHANGE: 20210903 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: 211237872 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_163071021907306.xml FORM 4 X0306 4 2021-09-03 0 0000831641 TETRA TECH INC TTEK 0001188787 THOMPSON J KENNETH 3475 EAST FOOTHILL BOULEVARD PASADENA, CA 91107 1 0 0 0 COMMON STOCK 2021-09-03 4 M 0 4200 27.16 A 28638 D COMMON STOCK 2021-09-03 4 S 0 4200 152.0266 D 24438 D STOCK OPTION 27.16 2021-09-03 4 M 0 4200 0 D 2016-11-20 2025-11-20 COMMON STOCK 4200.0 0 D $152.0266 is an average price. Shares were sold at prices ranging from $152.010 to $152.125 per share. The option becomes exercisable as to 100% of the shares on the anniversary of the grant date. The option granted expires 10 years after the grant date. /s/ Preston Hopson, Attorney-in-fact for J. Kenneth Thompson 2021-09-03