X0306 4 2017-11-01 0000097210 TERADYNE, INC TER 0001198621 BRADLEY MICHAEL A TERADYNE, INC. 600 RIVERPARK DRIVE NORTH READING MA 01864 1 Common Stock 2017-11-01 4 S 0 8296 42.80 D 145836 D Common Stock 2017-11-01 4 S 0 700 42.805 D 145136 D Common Stock 2017-11-01 4 S 0 4 42.81 D 145132 D Common Stock 2017-11-01 4 S 0 800 42.815 D 144332 D Common Stock 2017-11-01 4 S 0 200 42.82 D 144132 D /s/ Ryan E. Driscoll, Deputy General Counsel, by power of attorney 2017-11-03