X0306 4 2017-09-05 0000097210 TERADYNE, INC TER 0001186557 GILLIS EDWIN J TERADYNE, INC. 600 RIVERPARK DRIVE NORTH READING MA 01864 1 Common Stock 2017-09-05 4 S 0 41000 35.63 D 49638 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 26, 2017. The reported price is based on a weighted average of multiple same-day transactions with prices ranging from $35.40 to $35.80 per share. Full information regarding the number of shares sold at each separate price is available to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer upon request. /s/ Ryan E. Driscoll, Deputy General Counsel, by power of attorney 2017-09-06