Teradata Corp (TDC)

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Insider Trading: Sales

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Langos Officer	$33.08	2,782	$92,020.21	42,312	2010-06-14	Filing
Langos Officer	$33.08	2,782	$92,014.65	42,312	2010-06-14	Filing
Langos Officer	$33.08	5,565	$184,084.64	42,312	2010-06-14	Filing
Koehler Officer, Director	$32.73	24,589	$804,748.79	148,829	2010-06-03	Filing
Koehler Officer, Director	$32.78	29,031	$951,578.12	134,069	2010-06-03	Filing
Davis Officer	$30.79	2,937	$90,433.17	12,780	2010-05-10	Filing
Stavropoulos Director	$30.01	12,000	$360,072.00	28,782	2010-03-04	Filing
Mcdonald Officer	$29.48	37,105	$1,093,669.88	45,814	2010-02-17	Filing
Harrington Officer	$30.54	279	$8,521.50	26,787	2009-12-04	Filing
Harrington Officer	$30.52	24,768	$755,869.82	27,066	2009-12-04	Filing
Harrington Officer	$30.49	6,805	$207,511.67	51,834	2009-12-04	Filing
Harrington Officer	$30.51	4,330	$132,099.64	51,834	2009-12-04	Filing
Koehler Officer, Director	$27.20	18,552	$504,521.64	120,513	2009-08-13	Filing
Koehler Officer, Director	$27.17	262	$7,118.80	120,513	2009-08-13	Filing
Langos Officer	$27.00	6,600	$178,200.00	30,161	2009-08-12	Filing
Fair Officer	$26.43	15,000	$396,465.00	41,550	2009-08-11	Filing
Davis Officer	$26.29	6,562	$172,521.54	9,514	2009-08-11	Filing
Stavropoulos Director	$26.57	12,000	$318,828.00	27,349	2009-08-10	Filing
Mcdonald Officer	$23.64	22,263	$526,341.85	42,307	2009-06-05	Filing
Mcdonald Officer	$14.57	37,105	$540,619.85	41,223	2009-02-17	Filing