Insider Stock Trading History of Perkins Thomas B


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 Perkins Thomas B since year 2005. The trader's CIK number is 1338679. At the time of this reporting, Perkins Thomas B is the President and CEO of Core-mark Holding Company, Inc. . (stock ticker symbol CORE). See this page for all insider trading activities at Core-mark Holding Company, Inc. .


Stock purchases, sales, and option exercises reported by insider Perkins Thomas B since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-06-01 CORE Core-mark Holding Company, Inc. Sale 12,000 34.20 410,364
2016-12-16 CORE Core-mark Holding Company, Inc. Sale 12,000 42.38 508,572
2016-06-01 CORE Core-mark Holding Company, Inc. Sale 6,000 84.47 506,820
2015-12-31 CORE Core-mark Holding Company, Inc. Option Ex 1,668 .01 16
2015-12-14 CORE Core-mark Holding Company, Inc. Sale 6,000 86.35 518,099
2015-11-10 CORE Core-mark Holding Company, Inc. Sale 1,500 82.23 123,352
2015-09-30 CORE Core-mark Holding Company, Inc. Option Ex 1,666 5.00 8,330
2015-06-30 CORE Core-mark Holding Company, Inc. Option Ex 1,666 .01 16
2015-03-31 CORE Core-mark Holding Company, Inc. Option Ex 1,668 .01 16
2014-12-31 CORE Core-mark Holding Company, Inc. Option Ex 2,750 .01 27
2014-09-30 CORE Core-mark Holding Company, Inc. Option Ex 2,750 .01 27
2014-08-15 CORE Core-mark Holding Company, Inc. Option Ex 36,790 11.25 413,887
2014-08-15 CORE Core-mark Holding Company, Inc. Sale 36,790 49.03 1,803,850
2014-06-30 CORE Core-mark Holding Company, Inc. Option Ex 2,750 .01 13
2014-03-31 CORE Core-mark Holding Company, Inc. Option Ex 856 .01 8
2014-03-17 CORE Core-mark Holding Company, Inc. Option Ex 4,436 36.96 163,954
2014-03-17 CORE Core-mark Holding Company, Inc. Sale 4,436 72.20 320,279
2014-01-18 CORE Core-mark Holding Company, Inc. Option Ex 3,333 .01 33
2013-12-31 CORE Core-mark Holding Company, Inc. Option Ex 1,105 .01 11
2013-09-30 CORE Core-mark Holding Company, Inc. Option Ex 1,103 .01 11
2013-06-30 CORE Core-mark Holding Company, Inc. Option Ex 1,105 .01 11
2013-03-31 CORE Core-mark Holding Company, Inc. Option Ex 1,104 .01 11
2013-01-18 CORE Core-mark Holding Company, Inc. Option Ex 2,166 .01 21
2012-12-31 CORE Core-mark Holding Company, Inc. Option Ex 1,313 .01 13
2012-09-30 CORE Core-mark Holding Company, Inc. Option Ex 1,312 .01 13
2012-06-30 CORE Core-mark Holding Company, Inc. Option Ex 1,313 .01 13
2012-05-11 CORE Core-mark Holding Company, Inc. Sale 2,000 42.48 84,960
2012-03-31 CORE Core-mark Holding Company, Inc. Option Ex 1,312 .01 6
2012-01-19 CORE Core-mark Holding Company, Inc. Option Ex 2,250 .01 22
2011-12-31 CORE Core-mark Holding Company, Inc. Option Ex 1,563 .01 15
2011-09-30 CORE Core-mark Holding Company, Inc. Option Ex 1,562 .01 15
2011-08-11 CORE Core-mark Holding Company, Inc. Sale 1,000 34.01 34,012
2011-08-10 CORE Core-mark Holding Company, Inc. Sale 3,244 35.59 115,453
2011-06-30 CORE Core-mark Holding Company, Inc. Option Ex 1,563 .01 15
2011-03-31 CORE Core-mark Holding Company, Inc. Option Ex 1,562 .01 15
2011-03-15 CORE Core-mark Holding Company, Inc. Option Ex 15,277 15.50 236,793
2011-03-15 CORE Core-mark Holding Company, Inc. Sale 9,944 33.71 335,192
2011-02-01 CORE Core-mark Holding Company, Inc. Option Ex 3,000 .01 30
2011-02-01 CORE Core-mark Holding Company, Inc. Sale 6,000 34.12 204,744
2011-01-18 CORE Core-mark Holding Company, Inc. Sale 9,872 34.36 339,201
2011-01-18 CORE Core-mark Holding Company, Inc. Option Ex 15,278 15.50 236,809
2011-01-01 CORE Core-mark Holding Company, Inc. Option Ex 2,882 .01 28
2010-12-31 CORE Core-mark Holding Company, Inc. Option Ex 813 .01 8
2010-09-30 CORE Core-mark Holding Company, Inc. Option Ex 812 .01 8
2010-09-15 CORE Core-mark Holding Company, Inc. Sale 10,869 28.18 306,342
2010-09-15 CORE Core-mark Holding Company, Inc. Option Ex 15,278 15.50 236,809
2010-07-06 CORE Core-mark Holding Company, Inc. Sale 746 27.96 20,858
2010-07-06 CORE Core-mark Holding Company, Inc. Option Ex 1,486 .01 14
2010-06-30 CORE Core-mark Holding Company, Inc. Option Ex 813 .01 8
2010-06-15 CORE Core-mark Holding Company, Inc. Sale 3,801 27.72 105,375
2010-06-15 CORE Core-mark Holding Company, Inc. Option Ex 3,801 15.50 58,915
2010-06-15 CORE Core-mark Holding Company, Inc. Option Ex 11,477 15.50 177,893
2010-06-15 CORE Core-mark Holding Company, Inc. Sale 7,276 27.59 200,708
2010-03-31 CORE Core-mark Holding Company, Inc. Option Ex 812 .01 8
2010-03-01 CORE Core-mark Holding Company, Inc. Sale 1,625 32.07 52,107
2010-03-01 CORE Core-mark Holding Company, Inc. Sale 4,506 31.76 143,124
2010-02-01 CORE Core-mark Holding Company, Inc. Option Ex 3,250 .01 32
2010-02-02 CORE Core-mark Holding Company, Inc. Sale 2,814 29.53 83,097
2010-01-08 CORE Core-mark Holding Company, Inc. Option Ex 2,882 .01 28
2009-11-13 CORE Core-mark Holding Company, Inc. Sale 900 27.97 25,173
2009-01-01 CORE Core-mark Holding Company, Inc. Option Ex 2,881 .00 0
2009-07-02 CORE Core-mark Holding Company, Inc. Sale 1,479 26.41 39,060
2009-06-30 CORE Core-mark Holding Company, Inc. Option Ex 230 .00 0
2009-04-03 CORE Core-mark Holding Company, Inc. Option Ex 230 .01 2
2008-07-02 CORE Core-mark Holding Company, Inc. Sale 1,476 25.34 37,406
2008-07-02 CORE Core-mark Holding Company, Inc. Option Ex 1,476 .00 0
2008-03-03 CORE Core-mark Holding Company, Inc. Sale 2,224 25.97 57,766
2008-02-29 CORE Core-mark Holding Company, Inc. Option Ex 2,332 .00 0
2008-02-29 CORE Core-mark Holding Company, Inc. Sale 2,332 27.03 63,031
2008-01-02 CORE Core-mark Holding Company, Inc. Sale 2,445 28.45 69,567
2008-01-02 CORE Core-mark Holding Company, Inc. Option Ex 2,445 .00 0
2007-05-01 CORE Core-mark Holding Company, Inc. Option Ex 2,900 34.56 100,224
2007-05-01 CORE Core-mark Holding Company, Inc. Sale 2,900 34.56 100,224
2007-01-03 CORE Core-mark Holding Company, Inc. Option Ex 3,667 .00 0
2007-01-03 CORE Core-mark Holding Company, Inc. Sale 3,667 32.09 117,666
2006-05-24 CORE Core-mark Holding Company, Inc. Option Ex 2,342 .00 0
2006-05-25 CORE Core-mark Holding Company, Inc. Option Ex 6,282 .00 0
2006-05-24 CORE Core-mark Holding Company, Inc. Sale 2,342 39.53 92,588
2006-05-25 CORE Core-mark Holding Company, Inc. Sale 6,282 38.87 244,181

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 Perkins Thomas B (President and CEO of Core-mark Holding Company, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.