TERADYNE, INC — Director's Dealing 2006

Dec 22, 2006

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: TERADYNE, INC ([TER])
CIK: 0000097210
Period of Report: 2006-12-19

Reporting Person: Tempesta Daniel David (Corporate Controller)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares	5899	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Non-Qualified Stock Options (Right To Buy)	$26.66	2011-02-02	Common Shares (15000)		Direct
Restricted Stock Units	$0		Common Stock (4341)		Direct

Footnotes

F1: This option is granted under Teradyne's 1997 Stock Option Plan, as amended. The option to acquire 3,750 common shares became exercisable on February 2, 2005, and the balance of the options became exercisable on May 26, 2005.

F2: These restricted stock units are granted under Teradyne's 1997 Stock Option Plan, as amended. Each restricted stock unit represents a right to receive one share of Teradyne, Inc. common stock.

F3: The restricted stock units will vest on December 6, 2007.