Insider Stock Trading History of Koehler Michael


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Koehler Michael since year 2005. The trader's CIK number is 1228409. At the time of this reporting, Koehler Michael is the President and CEO of Teradata Corp /de/ . (stock ticker symbol TDC). See this page for all insider trading activities at Teradata Corp /de/ .

Note that in the past KOEHLER MICHAEL also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Koehler Michael since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2016-03-08 TDC Teradata Corp /de/ Option Ex 350,000 13.77 4,819,500
2016-03-08 TDC Teradata Corp /de/ Sale 350,000 26.78 9,374,750
2016-03-02 TDC Teradata Corp /de/ Sale 11,331 25.41 287,909
2014-11-17 TDC Teradata Corp /de/ Sale 10,000 45.00 450,000
2014-11-07 TDC Teradata Corp /de/ Sale 15,394 42.15 648,810
2014-02-10 TDC Teradata Corp /de/ Buy 10,000 41.30 413,000
2012-05-14 TDC Teradata Corp /de/ Sale 17,503 70.50 1,233,979
2012-05-04 TDC Teradata Corp /de/ Option Ex 80,000 27.98 2,238,400
2012-05-04 TDC Teradata Corp /de/ Sale 80,000 73.62 5,889,360
2012-02-10 TDC Teradata Corp /de/ Option Ex 36,776 24.87 914,619
2012-02-10 TDC Teradata Corp /de/ Sale 36,776 61.97 2,278,971
2011-05-23 TDC Teradata Corp /de/ Sale 39,000 53.93 2,103,153
2010-06-03 TDC Teradata Corp /de/ Option Ex 67,753 20.92 1,417,731
2010-06-03 TDC Teradata Corp /de/ Sale 53,620 32.75 1,756,215
2009-08-13 TDC Teradata Corp /de/ Option Ex 29,067 9.79 284,565
2009-08-13 TDC Teradata Corp /de/ Sale 18,814 27.18 511,420
2006-03-02 NCR Ncr Corp Sale 10,000 39.56 395,600
2006-03-02 NCR Ncr Corp Option Ex 10,000 22.65 226,500
2006-03-06 NCR Ncr Corp Sale 10,000 39.16 391,599
2006-03-06 NCR Ncr Corp Option Ex 10,000 9.57 95,700
2006-03-03 NCR Ncr Corp Sale 30,000 39.09 1,172,700
2006-02-13 NCR Ncr Corp Option Ex 15,668 16.16 253,226
2006-02-13 NCR Ncr Corp Sale 15,668 38.53 603,625

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Koehler Michael (President and CEO of Teradata Corp /de/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.