X0304 4 2012-02-15 0000097210 TERADYNE, INC TER 0001198621 BRADLEY MICHAEL A TERADYNE, INC. 600 RIVERPARK DRIVE NORTH READING MA 01864 1 1 CEO and President Common Stock 2012-02-15 4 S 0 200 17.03 D 382159 D Common Stock 2012-02-15 4 M 0 6700 4.81 A 388859 D Common Stock 2012-02-15 4 S 0 6700 17.03 D 382159 D Common Stock 2012-02-16 4 S 0 57330 17.03 D 324829 D Common Stock 2012-02-16 4 M 0 53300 4.81 A 378129 D Common Stock 2012-02-16 4 S 0 53300 17.03 D 324829 D Common Stock 2012-02-16 4 M 0 60000 4.81 A 384829 D Common Stock 2012-02-16 4 S 0 33845 17.35 D 350984 D Common Stock 2012-02-16 4 S 0 200 17.3501 D 350784 D Common Stock 2012-02-16 4 S 0 300 17.3509 D 350484 D Common Stock 2012-02-16 4 S 0 300 17.3511 D 350184 D Common Stock 2012-02-16 4 S 0 400 17.3518 D 349784 D Common Stock 2012-02-16 4 S 0 11600 17.355 D 338184 D Common Stock 2012-02-16 4 S 0 7655 17.36 D 330529 D Common Stock 2012-02-16 4 S 0 300 17.3609 D 330229 D Common Stock 2012-02-16 4 S 0 500 17.3611 D 329729 D Common Stock 2012-02-16 4 S 0 300 17.3618 D 329429 D Common Stock 2012-02-16 4 S 0 4600 17.365 D 324829 D Non-qualified Stock Option (Right to Buy) 4.81 2012-02-15 4 M 0 6700 0 D 2010-01-30 2016-01-30 Common Stock 6700 345800 D Non-qualified Stock Option (Right to Buy) 4.81 2012-02-16 4 M 0 53300 0 D 2010-01-30 2016-01-30 Common Stock 53300 292500 D Non-qualified Stock Option (Right to Buy) 4.81 2012-02-16 4 M 0 60000 0 D 2010-01-30 2016-01-30 Common Stock 60000 232500 D This option is granted under Teradyne's 2006 Equity and Cash Compensation Incentive Plan and is exercisable at the rate of 25% per year, commencing on the date of the first anniversary of the grant, January 30, 2010. /s/ Ryan E. Driscoll, Deputy General Counsel, by power of attorney 2012-02-17