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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
97210	Teradyne Inc	TER	Instruments For Meas & Testing Of Electricity & Elec Signals (3825)	042272148

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1199143	W Daniel Christman	600 Riverpark Drive North Reading MA 01864		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2015-05-20	8,442	$20.69	21,482	No	4	M	Direct
Common Stock	Disposition	2015-05-21	4,221	$20.65	17,261	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Restricted Stock Units	Disposition	2015-05-20	8,442	$0.00	8,442	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0			No	4	M	Direct

Footnotes

The reported price is based on a weighted average of multiple same-day transactions with prices ranging from $20.57 to $20.68 per share. Full information regarding the number of shares sold at each separate price is available to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer upon request.
Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on May 20, 2014 under the Teradyne, Inc. 2006 Equity and Cash Compensation Incentive Plan.