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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
816761	Teradata Corp	TDC	Electronic Computers (3571)	753236470

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1565530	E Scott Gnau	17095 Via Del Campo San Diego CA 92127	Evp, Teradata Labs	No	Yes	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	2013-08-12	12,398	$13.77	96,437	No	4	M	Direct
Common Stock	Disposition	2013-08-12	10,398	$63.96	86,039	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	Employee Stock Options	Disposition	2013-08-12	12,398	$0.00	12,398	$13.77

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
16,000		2018-12-01	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	3,201	Indirect	by 401(k) Plan

Footnotes

The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.96 to $63.97. The reporting person has provided to the issuer and will provide any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Represents the number of Teradata shares attributable to units in the unitized Teradata stock fund of the Teradata 401(k) Savings Plan as of August 12, 2013.
This option vested in four equal annual installments beginning on December 2, 2009.