<SEC-DOCUMENT>0001193125-20-100703-index.html : 20200408 <SEC-HEADER>0001193125-20-100703.hdr.sgml : 20200408 <ACCEPTANCE-DATETIME>20200407214603 ACCESSION NUMBER: 0001193125-20-100703 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20200408 DATE AS OF CHANGE: 20200407 EFFECTIVENESS DATE: 20200408 FILER: COMPANY DATA: COMPANY CONFORMED NAME: TERADYNE, INC CENTRAL INDEX KEY: 0000097210 STANDARD INDUSTRIAL CLASSIFICATION: INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS [3825] IRS NUMBER: 042272148 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-06462 FILM NUMBER: 20780980 BUSINESS ADDRESS: STREET 1: 600 RIVERPARK DRIVE CITY: NORTH READING STATE: MA ZIP: 01864 BUSINESS PHONE: 978-370-2700 MAIL ADDRESS: STREET 1: 600 RIVERPARK DRIVE CITY: NORTH READING STATE: MA ZIP: 01864 FORMER COMPANY: FORMER CONFORMED NAME: TERADYNE INC DATE OF NAME CHANGE: 19920703 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>d914467ddefa14a.htm <DESCRIPTION>DEFINITIVE ADDITIONAL MATERIALS <TEXT> Document 1 - file: d914467ddefa14a.htm
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