0000831641-19-000165.txt : 20191122 0000831641-19-000165.hdr.sgml : 20191122 20191122163220 ACCESSION NUMBER: 0000831641-19-000165 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20191120 FILED AS OF DATE: 20191122 DATE AS OF CHANGE: 20191122 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Amidon Derek G CENTRAL INDEX KEY: 0001721981 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 191242036 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: 0929 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_157445832422401.xml FORM 4 X0306 4 2019-11-20 0 0000831641 TETRA TECH INC TTEK 0001721981 Amidon Derek G 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 0 1 0 0 SVP, Commerical / Int'l Svcs. COMMON STOCK 2019-11-20 4 M 0 112 A 6303 D COMMON STOCK 2019-11-20 4 F 0 50 86.28 D 6253 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0.0 2019-11-20 4 M 0 112 0 A 2019-11-20 2019-11-20 COMMON STOCK 112.0 0 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0.0 2019-11-21 4 A 0 2094 0 A 2020-11-18 2023-11-18 COMMON STOCK 2094.0 2094 D Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. Represents the number of shares withheld to pay the related tax liability on restricted stock units (RSUs) that vested on 11/20/2019. The restricted stock units (RSUs) vested in four equal annual installments beginning on November 20, 2015. The restricted stock units (RSUs) vest in four equal annual installments beginning on November 18, 2020. /s/ Preston Hopson, Attorney-in-fact for Derek G. Amidon 2019-11-22