X0306 4 2019-10-24 0000097210 TERADYNE, INC TER 0001198621 BRADLEY MICHAEL A TERADYNE, INC. 600 RIVERPARK DRIVE NORTH READING MA 01864 1 Common Stock 2019-10-24 4 S 0 5148 61.90 D 56594 D Common Stock 2019-10-24 4 S 0 100 61.905 D 56494 D Common Stock 2019-10-24 4 S 0 3500 61.91 D 52994 D Common Stock 2019-10-24 4 S 0 300 61.915 D 52694 D Common Stock 2019-10-24 4 S 0 100 61.92 D 52594 D Common Stock 2019-10-24 4 S 0 900 61.925 D 51694 D Common Stock 2019-10-24 4 S 0 500 61.93 D 51194 D Common Stock 2019-10-24 4 S 0 3200 61.94 D 47994 D Common Stock 2019-10-24 4 S 0 100 61.9475 D 47894 D Common Stock 2019-10-24 4 S 0 300 61.95 D 47594 D /s/ Ryan E. Driscoll, Deputy General Counsel, by power of attorney 2019-10-25