0000831641-24-000052.txt : 20240912 0000831641-24-000052.hdr.sgml : 20240912 20240912185550 ACCESSION NUMBER: 0000831641-24-000052 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240911 FILED AS OF DATE: 20240912 DATE AS OF CHANGE: 20240912 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ritrievi Kimberly E CENTRAL INDEX KEY: 0001592089 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 241296045 MAIL ADDRESS: STREET 1: TETRA TECH, INC STREET 2: 3475 E. FOOTHILL BLVD. 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] ORGANIZATION NAME: 07 Trade & Services 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 wk-form4_1726181744.xml FORM 4 X0508 4 2024-09-11 0 0000831641 TETRA TECH INC TTEK 0001592089 Ritrievi Kimberly E 3475 EAST FOOTHILL BOULEVARD PASADENA, CA 91107 1 0 0 0 0 COMMON STOCK 2024-09-11 4 S 0 6500 46.48 D 143200 D All shares sold at an exact price. On September 6, 2024, the balance of 29,940 shares of common stock was updated pursuant to a 5 to 1 forward stock split, resulting in an additional 119,760 shares of common stock. /s/ Preston Hopson, Attorney-in-fact for Kimberly E. Ritrievi 2024-09-12