Insider Trading activities of Teradata Corp /de/ insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Teradata Corp /de/ since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Teradata Corp /de/ since year 2005. Table 2 shows the detailed insider transactions of Teradata Corp /de/ since 2005. The reporting company's ticker symbol is TDC. The reporting company's CIK number is 816761.
The total value of stock buying since 2005 is $1,692,611.
The total value of stock sales since 2005 is $120,931,414.
The total value of stock option exercises since 2005 is $39,477,209.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Teradata Corp /de/ (TDC).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-07 31,270 $999,107 47,065 $1,498,031 50,752 $1,420,040
2017-02 0 $0 37,760 $1,176,043 36,900 $980,610
2016-12 0 $0 25,917 $714,839 0 $0
2016-09 0 $0 2,015 $63,714 0 $0
2016-08 0 $0 1,840 $57,154 0 $0
2016-05 0 $0 42,074 $1,170,212 25,000 $344,250
2016-04 0 $0 0 $0 29,695 $0
2016-03 0 $0 361,331 $9,662,659 350,000 $4,819,500
2016-01 0 $0 3,319 $73,714 3,319 $69,167
2015-11 50 $1,381 0 $0 0 $0
2015-05 0 $0 42,610 $1,716,330 42,610 $831,747
2015-04 0 $0 468 $20,671 2,034 $89,475
2015-03 0 $0 20,961 $878,349 20,961 $288,632
2015-02 0 $0 7,769 $346,761 7,769 $163,226
2015-01 0 $0 468 $20,840 0 $0
2014-12 0 $0 108,121 $4,567,661 95,621 $1,534,834
2014-11 0 $0 124,332 $5,347,221 82,769 $1,855,085
2014-10 0 $0 468 $19,033 0 $0
2014-09 0 $0 89,091 $3,999,044 76,123 $1,151,502
2014-04 0 $0 0 $0 9,080 $412,776
2014-02 13,680 $571,598 0 $0 0 $0
2013-09 0 $0 8,000 $480,000 8,000 $110,160
2013-08 0 $0 23,107 $1,458,639 23,107 $499,042
2013-04 0 $0 274 $13,782 0 $0
2013-02 0 $0 12,000 $739,054 10,000 $137,700
2013-01 0 $0 274 $18,122 0 $0
2012-12 0 $0 20,000 $1,225,100 20,000 $275,400
2012-08 0 $0 229,933 $17,011,059 213,232 $3,967,031
2012-05 0 $0 230,494 $16,938,230 210,658 $4,502,179
2012-04 0 $0 20,129 $1,371,676 20,000 $275,400
2012-03 0 $0 139,892 $9,363,570 128,459 $3,200,430
2012-02 0 $0 285,428 $17,942,251 268,721 $4,905,521
2011-11 0 $0 64,004 $3,601,953 64,004 $528,673
2011-08 0 $0 0 $0 22,000 $306,240
2011-05 0 $0 45,656 $2,463,196 6,656 $152,122
2011-03 0 $0 33,103 $1,641,600 27,855 $369,639
2010-11 0 $0 148,827 $6,079,964 157,767 $1,911,724
2010-09 0 $0 13,914 $480,659 13,914 $154,584
2010-06 0 $0 98,170 $3,231,986 112,303 $1,849,265
2010-05 0 $0 2,937 $90,433 5,084 $62,075
2010-03 0 $0 12,000 $360,072 12,000 $147,960
2010-02 0 $0 37,105 $1,093,669 37,105 $417,802
2009-12 0 $0 36,182 $1,104,129 11,135 $109,011
2009-08 0 $0 58,976 $1,577,434 74,336 $883,526
2009-06 0 $0 22,263 $526,341 22,263 $229,308
2009-02 0 $0 37,105 $540,619 37,105 $347,673
2008-08 0 $0 10,000 $245,600 10,000 $138,700
2008-04 0 $0 0 $0 4,046 $35,200
2007-11 5,000 $120,525 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Teradata Corp /de/ insiders (TDC)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-07-31 Scheppmann Stephen Mark (EVP & Chief Financial Officer) Sale 47,065 31.83 1,498,031
2017-07-31 Scheppmann Stephen Mark (EVP & Chief Financial Officer) Option Ex 50,752 27.98 1,420,040
2017-07-31 Lund Victor L (President and CEO) Buy 31,270 31.95 999,107
2017-02-24 Stavropoulos William S (Director) Sale 6,504 31.24 203,158
2017-02-24 Stavropoulos William S (Director) Option Ex 6,504 26.85 174,632
2017-02-17 Nyquist Laura K (General Counsel & Secretary) Sale 23,892 31.01 740,986
2017-02-17 Nyquist Laura K (General Counsel & Secretary) Option Ex 23,892 26.43 631,346
2017-02-16 Cooper Nancy E (Director) Sale 860 31.05 26,699
2017-02-13 Ringler James M (Director) Sale 3,252 31.86 103,621
2017-02-13 Ringler James M (Director) Option Ex 3,252 26.85 87,316
2016-12-08 Harrington Daniel L (EVP, Consulting & Support Svcs) Sale 11,681 28.00 327,068
2016-12-06 Ratzesberger Oliver (EVP & Chief Product Officer) Sale 4,192 27.20 114,022
2016-12-05 Fu Cary T (Director) Sale 10,044 27.25 273,749
2016-09-02 Ratzesberger Oliver (EVP & Chief Product Officer) Sale 2,015 31.62 63,714
2016-08-04 Cooper Nancy E (Director) Sale 1,840 31.06 57,154
2016-05-27 Fair Robert (Chief Operating Officer) Sale 32,500 27.88 905,970
2016-05-27 Fair Robert (Chief Operating Officer) Option Ex 25,000 13.77 344,250
2016-05-26 Harrington Daniel L (EVP, Intl Region & Global Svcs) Sale 9,574 27.60 264,242
2016-04-30 Ringler James M (Director) Option Ex 8,765 .00 0
2016-04-26 Boykin Edward P (Director) Option Ex 20,930 .00 0
2016-03-08 Koehler Michael (President and CEO) Sale 350,000 26.79 9,374,750
2016-03-08 Koehler Michael (President and CEO) Option Ex 350,000 13.77 4,819,500
2016-03-02 Koehler Michael (President and CEO) Sale 11,331 25.41 287,909
2016-01-15 Nyquist Laura K (General Counsel & Secretary) Sale 3,319 22.21 73,714
2016-01-15 Nyquist Laura K (General Counsel & Secretary) Option Ex 3,319 20.84 69,167
2015-11-11 Fair Robert (Co-President) Buy 50 27.62 1,381
2015-05-11 Ringler James M (Director) Sale 42,610 40.28 1,716,330
2015-05-11 Ringler James M (Director) Option Ex 42,610 19.52 831,747
2015-04-30 Cooper Nancy E (Director) Sale 468 44.17 20,671
2015-04-30 Ringler James M (Director) Option Ex 2,034 43.99 89,475
2015-03-13 Davis Saundra (Chief Human Resource Officer) Sale 20,961 41.90 878,349
2015-03-13 Davis Saundra (Chief Human Resource Officer) Option Ex 20,961 13.77 288,632
2015-02-27 Nyquist Laura K (General Counsel & Secretary) Sale 7,769 44.63 346,761
2015-02-27 Nyquist Laura K (General Counsel & Secretary) Option Ex 7,769 21.01 163,226
2015-01-30 Cooper Nancy E (Director) Sale 468 44.53 20,840
2014-12-23 Mcdonald Darryl (EVP, Applications) Sale 8,162 45.08 367,942
2014-12-23 Mcdonald Darryl (EVP, Applications) Option Ex 8,162 26.43 215,680
2014-12-15 Mcdonald Darryl (EVP, Applications) Sale 80,461 41.40 3,331,165
2014-12-15 Mcdonald Darryl (EVP, Applications) Option Ex 67,961 13.77 935,822
2014-12-08 Boykin Edward P (Director) Sale 8,000 44.27 354,160
2014-12-08 Boykin Edward P (Director) Option Ex 8,000 17.72 141,760
2014-12-04 Wimmer Hermann (EVP, International) Sale 6,498 44.54 289,394
2014-12-04 Wimmer Hermann (EVP, International) Option Ex 6,498 21.01 136,522
2014-12-03 Wimmer Hermann (EVP, International) Sale 5,000 45.00 225,000
2014-12-03 Wimmer Hermann (EVP, International) Option Ex 5,000 21.01 105,050
2014-11-17 Koehler Michael (President and CEO) Sale 10,000 45.00 450,000
2014-11-10 Harrington Daniel L (EVP, Global Consltg & Spt Svcs) Sale 71,132 43.01 3,059,031
2014-11-10 Harrington Daniel L (EVP, Global Consltg & Spt Svcs) Option Ex 54,963 22.23 1,221,552
2014-11-07 Gnau Scott E (EVP, Teradata Labs) Sale 8,000 42.70 341,624
2014-11-07 Gnau Scott E (EVP, Teradata Labs) Option Ex 8,000 13.77 110,160
2014-11-07 Fair Robert (EVP & Chief Mktg and Info Ofcr) Sale 19,806 42.80 847,756
2014-11-07 Fair Robert (EVP & Chief Mktg and Info Ofcr) Option Ex 19,806 26.43 523,373
2014-11-07 Koehler Michael (President and CEO) Sale 15,394 42.15 648,810
2014-10-30 Cooper Nancy E (Director) Sale 468 40.67 19,033
2014-09-15 Mcdonald Darryl (EVP, Applications) Sale 8,162 45.00 367,290
2014-09-15 Mcdonald Darryl (EVP, Applications) Option Ex 8,162 26.43 215,680
2014-09-12 Mcdonald Darryl (EVP, Applications) Sale 80,461 44.88 3,610,928
2014-09-12 Mcdonald Darryl (EVP, Applications) Option Ex 67,961 13.77 935,822
2014-09-11 Cooper Nancy E (Director) Sale 468 44.50 20,826
2014-04-30 Ringler James M (Director) Option Ex 9,080 45.46 412,776
2014-02-12 Cooper Nancy E (Director) Buy 680 43.21 29,382
2014-02-12 Stavropoulos William S (Director) Buy 1,000 43.12 43,120
2014-02-12 Kepler David E (Director) Buy 2,000 43.05 86,096
2014-02-10 Koehler Michael (President and CEO) Buy 10,000 41.30 413,000
2013-09-16 Gnau Scott E (EVP, Teradata Labs) Sale 8,000 60.00 480,000
2013-09-16 Gnau Scott E (EVP, Teradata Labs) Option Ex 8,000 13.77 110,160
2013-08-08 Boykin Edward P (Director) Sale 8,000 63.89 511,128
2013-08-08 Boykin Edward P (Director) Option Ex 8,000 12.48 99,840
2013-08-01 Gnau Scott E (EVP, Teradata Labs) Sale 15,107 62.72 947,511
2013-08-01 Gnau Scott E (EVP, Teradata Labs) Option Ex 15,107 26.43 399,202
2013-04-23 Cooper Nancy E (Director) Sale 274 50.30 13,782
2013-02-14 Davis Saundra (Chief Human Resource Officer) Sale 10,000 61.64 616,370
2013-02-14 Davis Saundra (Chief Human Resource Officer) Option Ex 10,000 13.77 137,700
2013-02-12 Gnau Scott E (EVP, Teradata Labs) Sale 2,000 61.34 122,684
2013-01-23 Cooper Nancy E (Director) Sale 274 66.14 18,122
2012-12-12 Scheppmann Stephen Mark (EVP & CFO) Sale 20,000 61.26 1,225,100
2012-12-12 Scheppmann Stephen Mark (EVP & CFO) Option Ex 20,000 13.77 275,400
2012-08-28 Lund Victor L (Director) Sale 62,388 76.33 4,762,076
2012-08-28 Lund Victor L (Director) Option Ex 62,388 23.25 1,450,521
2012-08-14 Scheppmann Stephen Mark (EVP & CFO) Sale 18,000 75.50 1,359,000
2012-08-14 Scheppmann Stephen Mark (EVP & CFO) Option Ex 18,000 13.77 247,860
2012-08-13 Davis Saundra (Chief Human Resource Officer) Sale 5,000 75.97 379,855
2012-08-13 Davis Saundra (Chief Human Resource Officer) Option Ex 5,000 13.77 68,850
2012-08-08 Scheppmann Stephen Mark (EVP & CFO) Sale 18,000 73.97 1,331,478
2012-08-08 Scheppmann Stephen Mark (EVP & CFO) Option Ex 18,000 13.77 247,860
2012-08-07 Fair Robert (EVP, Global Field Operations) Sale 18,552 73.87 1,370,436
2012-08-07 Fair Robert (EVP, Global Field Operations) Option Ex 18,552 22.31 413,895
2012-08-07 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 4,701 74.00 347,874
2012-08-07 Nyquist Laura K (General Counsel & Secretary) Sale 20,000 73.00 1,460,000
2012-08-07 Nyquist Laura K (General Counsel & Secretary) Option Ex 20,000 13.77 275,400
2012-08-06 Fair Robert (EVP, Global Field Operations) Sale 12,210 72.75 888,277
2012-08-06 Fair Robert (EVP, Global Field Operations) Option Ex 12,210 20.84 254,456
2012-08-06 Boykin Edward P (Director) Sale 12,000 72.68 872,184
2012-08-03 Fair Robert (EVP, Global Field Operations) Sale 82 72.75 5,965
2012-08-03 Fair Robert (EVP, Global Field Operations) Option Ex 82 20.84 1,708
2012-08-03 Langos Bruce (Chief Operations Officer) Sale 23,000 72.50 1,667,546
2012-08-03 Langos Bruce (Chief Operations Officer) Option Ex 23,000 22.21 510,761
2012-08-03 Scheppmann Stephen Mark (EVP & CFO) Sale 36,000 71.29 2,566,368
2012-08-03 Scheppmann Stephen Mark (EVP & CFO) Option Ex 36,000 13.77 495,720
2012-05-23 Kepler David E (Director) Sale 10,665 68.45 730,051
2012-05-23 Kepler David E (Director) Option Ex 10,665 24.95 266,145
2012-05-16 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 6,941 69.72 483,926
2012-05-16 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 6,941 13.77 95,577
2012-05-14 Koehler Michael (President and CEO) Sale 17,503 70.50 1,233,979
2012-05-10 Fair Robert (EVP, Global Field Operations) Sale 2,333 73.52 171,522
2012-05-09 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 70.47 352,350
2012-05-09 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-05-08 Stavropoulos William S (Director) Sale 10,710 70.36 753,587
2012-05-08 Stavropoulos William S (Director) Option Ex 10,710 15.90 170,289
2012-05-04 Davis Saundra (Chief Human Resource Officer) Sale 15,000 76.19 1,142,895
2012-05-04 Davis Saundra (Chief Human Resource Officer) Option Ex 15,000 13.77 206,550
2012-05-04 Mcdonald Darryl (EVP, Applicatns, Bus Dev & CMO) Sale 42,342 74.82 3,168,070
2012-05-04 Mcdonald Darryl (EVP, Applicatns, Bus Dev & CMO) Option Ex 42,342 21.39 905,568
2012-05-04 Scheppmann Stephen Mark (EVP & CFO) Sale 35,000 75.94 2,658,040
2012-05-04 Scheppmann Stephen Mark (EVP & CFO) Option Ex 35,000 13.77 481,950
2012-05-04 Koehler Michael (President and CEO) Sale 80,000 73.62 5,889,360
2012-05-04 Koehler Michael (President and CEO) Option Ex 80,000 27.98 2,238,400
2012-05-02 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 70.89 354,450
2012-05-02 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-04-27 Cooper Nancy E (Director) Sale 129 70.75 9,126
2012-04-25 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 67.80 339,000
2012-04-25 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-04-18 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 68.85 344,250
2012-04-18 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-04-11 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 67.01 335,050
2012-04-11 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-04-04 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 68.85 344,250
2012-04-04 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-03-28 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 68.42 342,100
2012-03-28 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-03-21 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 66.93 334,650
2012-03-21 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-03-14 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 67.12 335,600
2012-03-14 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-03-13 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 119,763 67.00 8,024,121
2012-03-13 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 108,459 26.97 2,925,030
2012-03-07 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 63.76 318,800
2012-03-07 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-03-06 Cooper Nancy E (Director) Sale 129 64.34 8,299
2012-02-29 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 65.91 329,550
2012-02-29 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-02-28 Schwarz John (Director) Sale 2,576 65.72 169,286
2012-02-27 Fair Robert (EVP, Global Field Operations) Sale 33,761 65.00 2,194,465
2012-02-27 Fair Robert (EVP, Global Field Operations) Option Ex 33,761 16.61 560,770
2012-02-27 Langos Bruce (Chief Operations Officer) Sale 20,000 65.94 1,318,740
2012-02-27 Langos Bruce (Chief Operations Officer) Option Ex 10,000 13.77 137,700
2012-02-23 Nyquist Laura K (General Counsel & Secretary) Sale 15,000 64.00 960,000
2012-02-23 Nyquist Laura K (General Counsel & Secretary) Option Ex 15,000 13.77 206,550
2012-02-22 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 62.00 310,000
2012-02-22 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-02-15 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 5,000 62.48 312,400
2012-02-15 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 5,000 13.77 68,850
2012-02-14 Langos Bruce (Chief Operations Officer) Sale 21,625 62.05 1,341,831
2012-02-14 Langos Bruce (Chief Operations Officer) Option Ex 21,625 19.91 430,445
2012-02-10 Davis Saundra (Chief Human Resource Officer) Sale 20,226 62.46 1,263,295
2012-02-10 Davis Saundra (Chief Human Resource Officer) Option Ex 20,226 20.88 422,217
2012-02-10 Langos Bruce (Chief Operations Officer) Sale 24,751 62.10 1,537,037
2012-02-10 Langos Bruce (Chief Operations Officer) Option Ex 24,751 21.11 522,617
2012-02-10 Scheppmann Stephen Mark (EVP & CFO) Sale 25,616 62.84 1,609,735
2012-02-10 Scheppmann Stephen Mark (EVP & CFO) Option Ex 30,451 27.98 852,018
2012-02-10 Koehler Michael (President and CEO) Sale 36,776 61.97 2,278,971
2012-02-10 Koehler Michael (President and CEO) Option Ex 36,776 24.87 914,619
2012-02-10 Boykin Edward P (Director) Sale 3,600 63.16 227,376
2012-02-10 Boykin Edward P (Director) Option Ex 20,000 7.84 156,900
2012-02-09 Fair Robert (EVP, Global Field Operations) Sale 21,131 61.50 1,299,556
2012-02-09 Fair Robert (EVP, Global Field Operations) Option Ex 11,131 7.37 82,035
2012-02-09 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 45,366 61.50 2,790,009
2012-02-09 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 30,000 13.77 413,100
2011-11-09 Mcdonald Darryl (EVP, Applicatns, Bus Dev & CMO) Sale 64,004 56.28 3,601,953
2011-11-09 Mcdonald Darryl (EVP, Applicatns, Bus Dev & CMO) Option Ex 64,004 8.26 528,673
2011-08-09 Ringler James M (Director) Option Ex 22,000 13.92 306,240
2011-05-23 Davis Saundra (Chief Human Resource Officer) Sale 6,656 54.09 360,043
2011-05-23 Davis Saundra (Chief Human Resource Officer) Option Ex 6,656 22.86 152,122
2011-05-23 Koehler Michael (President and CEO) Sale 39,000 53.93 2,103,153
2011-03-14 Stavropoulos William S (Director) Sale 11,724 48.70 571,005
2011-03-14 Stavropoulos William S (Director) Option Ex 11,724 20.70 242,686
2011-03-08 Fair Robert (EVP, Global Field Operations) Sale 11,131 50.32 560,078
2011-03-08 Fair Robert (EVP, Global Field Operations) Option Ex 11,131 5.22 58,103
2011-03-08 Nyquist Laura K (General Counsel & Secretary) Sale 5,248 50.25 263,712
2011-03-07 Davis Saundra (VP, Human Resources) Sale 5,000 49.36 246,805
2011-03-07 Davis Saundra (VP, Human Resources) Option Ex 5,000 13.77 68,850
2010-11-10 Langos Bruce (Chief Operations Officer) Sale 33,980 41.00 1,393,180
2010-11-10 Langos Bruce (Chief Operations Officer) Option Ex 33,980 13.77 467,904
2010-11-09 Davis Saundra (VP, Human Resources) Sale 11,916 40.79 486,017
2010-11-09 Davis Saundra (VP, Human Resources) Option Ex 14,416 18.54 267,272
2010-11-09 Mcdonald Darryl (EVP, Bus. Develpmt & Marketing) Sale 23,190 40.77 945,572
2010-11-09 Mcdonald Darryl (EVP, Bus. Develpmt & Marketing) Option Ex 23,190 8.98 208,362
2010-11-09 Kepler David E (Director) Sale 4,270 40.95 174,835
2010-11-09 Kepler David E (Director) Option Ex 10,710 15.90 170,289
2010-11-08 Fair Robert (EVP, Global Field Operations) Sale 13,914 40.79 567,552
2010-11-08 Fair Robert (EVP, Global Field Operations) Option Ex 13,914 6.86 95,450
2010-11-08 Mcdonald Darryl (EVP, Bus. Develpmt & Marketing) Sale 29,684 40.80 1,211,107
2010-11-08 Mcdonald Darryl (EVP, Bus. Develpmt & Marketing) Option Ex 29,684 11.99 355,911
2010-11-08 Nyquist Laura K (General Counsel & Secretary) Sale 11,873 40.96 486,341
2010-11-08 Nyquist Laura K (General Counsel & Secretary) Option Ex 11,873 9.79 116,236
2010-11-08 Stavropoulos William S (Director) Sale 20,000 40.77 815,360
2010-11-08 Stavropoulos William S (Director) Option Ex 20,000 11.52 230,300
2010-09-14 Fair Robert (EVP, Global Field Operations) Sale 13,914 34.55 480,659
2010-09-14 Fair Robert (EVP, Global Field Operations) Option Ex 13,914 11.11 154,584
2010-06-14 Fair Robert (EVP, Global Field Operations) Sale 14,684 33.15 486,759
2010-06-14 Fair Robert (EVP, Global Field Operations) Option Ex 14,684 11.99 176,061
2010-06-14 Langos Bruce (Chief Operations Officer) Sale 29,866 33.12 989,012
2010-06-14 Langos Bruce (Chief Operations Officer) Option Ex 29,866 8.55 255,473
2010-06-03 Koehler Michael (President and CEO) Sale 53,620 32.75 1,756,215
2010-06-03 Koehler Michael (President and CEO) Option Ex 67,753 20.93 1,417,731
2010-05-10 Davis Saundra (VP, Human Resources) Sale 2,937 30.79 90,433
2010-05-10 Davis Saundra (VP, Human Resources) Option Ex 5,084 12.21 62,075
2010-03-04 Stavropoulos William S (Director) Sale 12,000 30.01 360,072
2010-03-04 Stavropoulos William S (Director) Option Ex 12,000 12.33 147,960
2010-02-17 Mcdonald Darryl (Chief Marketing Officer) Sale 37,105 29.48 1,093,669
2010-02-17 Mcdonald Darryl (Chief Marketing Officer) Option Ex 37,105 11.26 417,802
2009-12-04 Harrington Daniel L (EVP, Technology & Support Svcs) Sale 36,182 30.52 1,104,129
2009-12-04 Harrington Daniel L (EVP, Technology & Support Svcs) Option Ex 11,135 9.79 109,011
2009-08-13 Koehler Michael (President and CEO) Sale 18,814 27.18 511,420
2009-08-13 Koehler Michael (President and CEO) Option Ex 29,067 9.79 284,565
2009-08-12 Langos Bruce (Chief Operations Officer) Sale 6,600 27.00 178,200
2009-08-12 Langos Bruce (Chief Operations Officer) Option Ex 7,769 21.01 163,226
2009-08-11 Davis Saundra (VP, Human Resources) Sale 6,562 26.29 172,521
2009-08-11 Davis Saundra (VP, Human Resources) Option Ex 10,500 12.21 128,205
2009-08-11 Fair Robert (EVP, Global Field Operations) Sale 15,000 26.43 396,465
2009-08-11 Fair Robert (EVP, Global Field Operations) Option Ex 15,000 11.99 179,850
2009-08-10 Stavropoulos William S (Director) Sale 12,000 26.57 318,828
2009-08-10 Stavropoulos William S (Director) Option Ex 12,000 10.64 127,680
2009-06-05 Mcdonald Darryl (Chief Marketing Officer) Sale 22,263 23.64 526,341
2009-06-05 Mcdonald Darryl (Chief Marketing Officer) Option Ex 22,263 10.30 229,308
2009-02-17 Mcdonald Darryl (Chief Marketing Officer) Sale 37,105 14.57 540,619
2009-02-17 Mcdonald Darryl (Chief Marketing Officer) Option Ex 37,105 9.37 347,673
2008-08-13 Stavropoulos William S (Director) Sale 10,000 24.56 245,600
2008-08-13 Stavropoulos William S (Director) Option Ex 10,000 13.87 138,700
2008-04-14 Prahalad C K (Director) Option Ex 4,046 8.70 35,200
2007-11-20 Nyquist Laura K (General Counsel & Secretary) Buy 5,000 24.11 120,525

Insider trading activities including stock purchases, stock sales, and option exercises of TDC listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Teradata Corp /de/ (symbol TDC, CIK number 816761) see the Securities and Exchange Commission (SEC) website.