<SEC-DOCUMENT>0001564590-21-018668-index.html : 20210413 <SEC-HEADER>0001564590-21-018668.hdr.sgml : 20210413 <ACCEPTANCE-DATETIME>20210413153133 ACCESSION NUMBER: 0001564590-21-018668 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20210413 DATE AS OF CHANGE: 20210413 FILER: COMPANY DATA: COMPANY CONFORMED NAME: TETRA TECHNOLOGIES INC CENTRAL INDEX KEY: 0000844965 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 742148293 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-13455 FILM NUMBER: 21823008 BUSINESS ADDRESS: STREET 1: 24955 INTERSTATE 45 NORTH CITY: THE WOODLANDS STATE: TX ZIP: 77380 BUSINESS PHONE: 2813671983 MAIL ADDRESS: STREET 1: 24955 INTERSTATE 45 NORTH CITY: THE WOODLANDS STATE: TX ZIP: 77380 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>tti-defa14a_20210406.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: tti-defa14a_20210406.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g4rxmhkuxuor000002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g4rxmhkuxuor000002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g4rxmhkuxuor000001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g4rxmhkuxuor000001.jpg
</DOCUMENT> </SEC-DOCUMENT>