TERADYNE, INC — Director's Dealing 2010

Apr 28, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TERADYNE, INC (TER)
CIK: 0000097210
Period of Report: 2010-04-26

Reporting Person: Beecher Gregory R (VP and CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-04-26	Common Stock	M	100000	$11.66	Acquired	180406	Direct
2010-04-26	Common Stock	S	100000	$13.10	Disposed	80406	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-04-26	Non-Qualified Stock Option (Right to Buy)	$11.66	M	100000	Disposed	2010-04-28	Common Stock (100000)	Direct

Footnotes

F1: This option is granted under Teradyne's 1991 Employee Stock Option Plan and is exercisable at the rate of 20% on April 28, 2003 and 20% per year thereafter commencing on April 28, 2004.