Insider Trading activities of Core Laboratories N V insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Core Laboratories N V since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Core Laboratories N V since year 2005. Table 2 shows the detailed insider transactions of Core Laboratories N V since 2005. The reporting company's ticker symbol is CLB. The reporting company's CIK number is 1000229.
The total value of stock buying since 2005 is $1,602,307.
The total value of stock sales since 2005 is $249,380,409.
The total value of stock option exercises since 2005 is $26,792,075.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Core Laboratories N V (CLB).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-09 0 $0 0 $0 125 $0
2017-04 0 $0 0 $0 53 $0
2017-03 0 $0 0 $0 3,880 $0
2017-02 106 $12,576 0 $0 0 $0
2017-01 200 $23,040 0 $0 0 $0
2016-12 0 $0 0 $0 114,444 $0
2016-10 0 $0 0 $0 150 $0
2016-09 0 $0 0 $0 125 $0
2016-04 0 $0 0 $0 53 $0
2016-03 0 $0 0 $0 5,540 $0
2016-02 300 $28,170 0 $0 0 $0
2015-12 0 $0 0 $0 55,785 $0
2015-10 0 $0 0 $0 150 $0
2015-09 0 $0 0 $0 125 $0
2015-07 300 $31,860 0 $0 0 $0
2015-06 0 $0 0 $0 1,300 $0
2015-05 0 $0 1,000 $128,520 0 $0
2015-03 0 $0 0 $0 4,564 $0
2015-02 550 $53,880 0 $0 0 $0
2014-12 0 $0 0 $0 61,009 $0
2014-11 95 $13,678 1,000 $138,030 0 $0
2014-08 500 $73,795 0 $0 0 $0
2014-07 7,200 $1,062,294 0 $0 0 $0
2014-06 0 $0 0 $0 1,000 $0
2014-04 0 $0 0 $0 1,400 $0
2014-03 0 $0 2,000 $386,020 4,407 $0
2014-02 400 $74,883 1,500 $279,960 0 $0
2013-12 0 $0 0 $0 65,207 $0
2013-10 0 $0 5,704 $1,125,672 0 $0
2013-08 0 $0 20,000 $2,989,560 0 $0
2013-07 0 $0 17,596 $2,614,849 0 $0
2013-06 0 $0 0 $0 1,000 $0
2013-04 100 $14,257 0 $0 1,400 $0
2013-03 0 $0 0 $0 5,000 $0
2013-02 0 $0 11,500 $1,563,586 0 $0
2012-12 0 $0 0 $0 67,720 $0
2012-07 0 $0 0 $0 9,256 $0
2012-06 0 $0 0 $0 1,000 $0
2012-05 0 $0 0 $0 5,000 $0
2012-04 0 $0 10,000 $1,315,050 1,400 $0
2012-03 0 $0 0 $0 5,000 $0
2012-02 0 $0 35,990 $4,371,675 0 $0
2011-12 0 $0 0 $0 400 $0
2011-07 0 $0 271,598 $29,870,121 0 $0
2011-06 0 $0 0 $0 1,000 $0
2011-05 0 $0 0 $0 5,000 $0
2011-04 0 $0 23,994 $2,324,874 1,400 $0
2011-03 0 $0 0 $0 5,000 $0
2011-02 0 $0 10,000 $983,330 0 $0
2010-12 0 $0 0 $0 400 $0
2010-08 0 $0 0 $0 24,000 $0
2010-07 0 $0 133,683 $10,263,126 0 $0
2010-06 0 $0 0 $0 500 $0
2010-05 0 $0 4,000 $583,337 2,500 $0
2010-04 0 $0 0 $0 700 $0
2010-03 0 $0 0 $0 2,500 $0
2010-02 0 $0 188,000 $23,196,283 0 $0
2009-12 0 $0 0 $0 200 $0
2009-11 0 $0 66,287 $7,040,963 0 $0
2009-10 200 $21,847 147,319 $15,928,264 0 $0
2009-09 0 $0 0 $0 12,000 $0
2009-05 200 $17,402 0 $0 2,500 $0
2009-03 725 $52,162 0 $0 2,500 $0
2009-02 1,730 $122,463 0 $0 0 $0
2008-12 0 $0 0 $0 200 $0
2008-07 0 $0 10,000 $1,252,300 0 $0
2008-05 0 $0 0 $0 2,500 $0
2008-03 0 $0 0 $0 2,400 $0
2008-02 0 $0 368,739 $46,148,676 0 $0
2007-11 0 $0 71,223 $10,594,705 0 $0
2007-10 0 $0 111,575 $15,908,870 0 $0
2007-08 0 $0 248,996 $25,587,757 0 $0
2007-05 0 $0 22,800 $2,150,660 3,500 $0
2007-02 0 $0 376,130 $30,017,512 1,266,392 $18,128,428
2007-01 0 $0 0 $0 55,000 $0
2006-12 0 $0 0 $0 20,376 $194,590
2006-08 0 $0 19,000 $1,351,045 17,000 $313,429
2006-07 0 $0 42,974 $3,060,667 7,012 $82,271
2006-05 0 $0 78,271 $4,990,387 478,580 $7,097,008
2006-02 0 $0 70,000 $3,214,610 70,000 $976,349
2006-01 0 $0 0 $0 95,000 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Core Laboratories N V insiders (CLB)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-09-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 125 .00 0
2017-04-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 53 .00 0
2017-03-31 Van Geuns Lucia Option Ex 756 .00 0
2017-03-31 Van Kempen Margaret Ann Option Ex 756 .00 0
2017-03-31 Sodderland Jan Willem Option Ex 756 .00 0
2017-03-31 Dunlap Charles L Option Ex 756 .00 0
2017-03-31 Kearney Michael C Option Ex 756 .00 0
2017-03-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 100 .00 0
2017-02-01 Straughen Michael Buy 106 118.65 12,576
2017-01-30 Carnes Martha Z. Buy 200 115.20 23,040
2016-12-30 Elvig Mark F (VP, Counsel & Secretary) Option Ex 4,400 .00 0
2016-12-30 Davis Monty L (Chief Operating Officer) Option Ex 16,002 .00 0
2016-12-30 Demshur David M (Chief Executive Officer) Option Ex 39,892 .00 0
2016-12-30 Bergmark Richard L (EVP & CFO) Option Ex 16,002 .00 0
2016-10-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 150 .00 0
2016-09-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 125 .00 0
2016-04-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 53 .00 0
2016-03-31 Van Geuns Lucia Option Ex 1,088 .00 0
2016-03-31 Van Kempen Margaret Ann Option Ex 1,088 .00 0
2016-03-31 Sodderland Jan Willem Option Ex 1,088 .00 0
2016-03-31 Dunlap Charles L Option Ex 1,088 .00 0
2016-03-31 Kearney Michael C Option Ex 1,088 .00 0
2016-03-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 100 .00 0
2016-02-02 Sodderland Jan Willem Buy 300 93.90 28,170
2015-12-31 Elvig Mark F (VP, Counsel & Secretary) Option Ex 3,000 .00 0
2015-12-31 Davis Monty L (Chief Operating Officer) Option Ex 11,721 .00 0
2015-12-31 Demshur David M (Chief Executive Officer) Option Ex 29,218 .00 0
2015-12-31 Bergmark Richard L (EVP & CFO) Option Ex 11,721 .00 0
2015-12-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 125 .00 0
2015-10-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 150 .00 0
2015-09-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 125 .00 0
2015-07-24 Sodderland Jan Willem Buy 300 106.20 31,860
2015-06-30 Hill Christopher Scott (Chief Accounting Officer) Option Ex 300 .00 0
2015-06-30 Elvig Mark F (VP, Counsel & Secretary) Option Ex 1,000 .00 0
2015-05-12 Kearney Michael C Sale 1,000 128.52 128,520
2015-03-31 Van Kempen Margaret Ann Option Ex 1,141 .00 0
2015-03-31 Sodderland Jan Willem Option Ex 1,141 .00 0
2015-03-31 Ogren D John Option Ex 1,141 .00 0
2015-03-31 Kearney Michael C Option Ex 1,141 .00 0
2015-02-03 Van Kempen Margaret Ann Buy 250 102.07 25,518
2015-02-02 Sodderland Jan Willem Buy 300 94.54 28,362
2014-12-31 Elvig Mark F (VP, Counsel & Secretary) Option Ex 3,000 .00 0
2014-12-31 Miller Charles Brigham (CAO & Treasurer) Option Ex 3,000 .00 0
2014-12-31 Davis Monty L (Chief Operating Officer) Option Ex 12,587 .00 0
2014-12-31 Demshur David M (Chief Executive Officer) Option Ex 29,835 .00 0
2014-12-31 Bergmark Richard L (EVP & CFO) Option Ex 12,587 .00 0
2014-11-17 Elvig Mark F (VP, Counsel & Secretary) Sale 1,000 138.03 138,030
2014-11-14 Van Geuns Lucia Buy 95 143.98 13,678
2014-08-04 Dunlap Charles L Buy 500 147.59 73,795
2014-07-30 Sodderland Jan Willem Buy 200 147.88 29,577
2014-07-28 Bergmark Richard L (EVP & CFO) Buy 7,000 147.53 1,032,717
2014-06-30 Elvig Mark F (VP, Counsel & Secretary) Option Ex 1,000 .00 0
2014-04-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 700 .00 0
2014-04-01 Miller Charles Brigham (CAO & Treasurer) Option Ex 700 .00 0
2014-03-31 Sodderland Jan Willem Option Ex 1,469 .00 0
2014-03-31 Ogren D John Option Ex 1,469 .00 0
2014-03-31 Kearney Michael C Option Ex 1,469 .00 0
2014-03-07 Kearney Michael C Sale 2,000 193.01 386,020
2014-02-28 Van Kempen Margaret Ann Buy 100 184.79 18,479
2014-02-28 Sodderland Jan Willem Buy 100 188.64 18,864
2014-02-26 Dunlap Charles L Buy 200 187.70 37,540
2014-02-14 Elvig Mark F (VP, Counsel & Secretary) Sale 1,500 186.64 279,960
2013-12-31 Elvig Mark F (VP, Counsel & Secretary) Option Ex 3,500 .00 0
2013-12-31 Miller Charles Brigham (CAO & Treasurer) Option Ex 3,500 .00 0
2013-12-31 Davis Monty L (Chief Operating Officer) Option Ex 13,622 .00 0
2013-12-31 Demshur David M (Chief Executive Officer) Option Ex 30,635 .00 0
2013-12-31 Bergmark Richard L (EVP & CFO) Option Ex 13,950 .00 0
2013-10-21 Davis Monty L (Chief Operating Officer) Sale 5,704 197.35 1,125,672
2013-08-07 Bergmark Richard L (EVP & CFO) Sale 20,000 149.48 2,989,560
2013-07-25 Miller Charles Brigham (CAO & Treasurer) Sale 11,648 148.26 1,726,932
2013-07-25 Davis Monty L (Chief Operating Officer) Sale 5,948 149.28 887,917
2013-06-30 Elvig Mark F (VP, Counsel & Secretary) Option Ex 1,000 .00 0
2013-04-22 Elvig Mark F (VP, Counsel & Secretary) Buy 100 142.58 14,257
2013-04-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 700 .00 0
2013-04-01 Miller Charles Brigham (CAO & Treasurer) Option Ex 700 .00 0
2013-03-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 200 .00 0
2013-03-01 Miller Charles Brigham (CAO & Treasurer) Option Ex 400 .00 0
2013-03-01 Davis Monty L (Chief Operating Officer) Option Ex 2,200 .00 0
2013-03-01 Bergmark Richard L (EVP & CFO) Option Ex 2,200 .00 0
2013-02-04 Kearney Michael C Sale 3,500 135.10 472,850
2013-02-04 Joyce Rene R Sale 8,000 136.34 1,090,736
2012-12-31 Elvig Mark F (VP, Counsel & Secretary) Option Ex 4,800 .00 0
2012-12-31 Miller Charles Brigham (CAO & Treasurer) Option Ex 4,800 .00 0
2012-12-31 Ogren D John Option Ex 1,530 .00 0
2012-12-31 Perna Joseph R Option Ex 1,530 .00 0
2012-12-31 Davis Monty L (Chief Operating Officer) Option Ex 12,000 .00 0
2012-12-31 Demshur David M (Chief Executive Officer) Option Ex 27,600 .00 0
2012-12-31 Bergmark Richard L (EVP & CFO) Option Ex 12,000 .00 0
2012-12-31 Kearney Michael C Option Ex 1,530 .00 0
2012-12-31 Joyce Rene R Option Ex 1,530 .00 0
2012-12-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 400 .00 0
2012-07-23 Ogren D John Option Ex 2,314 .00 0
2012-07-23 Perna Joseph R Option Ex 2,314 .00 0
2012-07-23 Kearney Michael C Option Ex 2,314 .00 0
2012-07-23 Joyce Rene R Option Ex 2,314 .00 0
2012-06-30 Elvig Mark F (VP, Counsel & Secretary) Option Ex 1,000 .00 0
2012-05-15 Miller Charles Brigham (CAO & Treasurer) Option Ex 1,000 .00 0
2012-05-15 Davis Monty L (Chief Operating Officer) Option Ex 2,000 .00 0
2012-05-15 Bergmark Richard L (EVP & CFO) Option Ex 2,000 .00 0
2012-04-25 Miller Charles Brigham (CAO & Treasurer) Sale 10,000 131.50 1,315,050
2012-04-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 700 .00 0
2012-04-01 Miller Charles Brigham (CAO & Treasurer) Option Ex 700 .00 0
2012-03-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 200 .00 0
2012-03-01 Miller Charles Brigham (CAO & Treasurer) Option Ex 400 .00 0
2012-03-01 Davis Monty L (Chief Operating Officer) Option Ex 2,200 .00 0
2012-03-01 Bergmark Richard L (EVP & CFO) Option Ex 2,200 .00 0
2012-02-21 Kearney Michael C Sale 2,000 122.47 244,950
2012-02-10 Ogren D John Sale 33,990 121.41 4,126,725
2011-12-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 400 .00 0
2011-07-27 Demshur David M (Chief Executive Officer) Sale 42,930 108.45 4,655,758
2011-07-26 Demshur David M (Chief Executive Officer) Sale 127,814 109.35 13,976,333
2011-07-25 Elvig Mark F (VP, Counsel & Secretary) Sale 2,246 108.15 242,904
2011-07-25 Miller Charles Brigham (Chief Accounting Officer) Sale 10,000 111.05 1,110,490
2011-07-25 Davis Monty L (Chief Operating Officer) Sale 9,352 111.63 1,043,973
2011-07-25 Demshur David M (Chief Executive Officer) Sale 29,256 110.98 3,246,713
2011-07-25 Bergmark Richard L (EVP, CFO & Treasurer) Sale 50,000 111.88 5,593,950
2011-06-30 Elvig Mark F (VP, Counsel & Secretary) Option Ex 1,000 .00 0
2011-05-15 Miller Charles Brigham (Chief Accounting Officer) Option Ex 1,000 .00 0
2011-05-15 Davis Monty L (Chief Operating Officer) Option Ex 2,000 .00 0
2011-05-15 Bergmark Richard L (EVP, CFO & Treasurer) Option Ex 2,000 .00 0
2011-04-25 Joyce Rene R Sale 23,994 96.89 2,324,874
2011-04-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 700 .00 0
2011-04-01 Miller Charles Brigham (Chief Accounting Officer) Option Ex 700 .00 0
2011-03-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 200 .00 0
2011-03-01 Miller Charles Brigham (Chief Accounting Officer) Option Ex 400 .00 0
2011-03-01 Davis Monty L (Chief Operating Officer) Option Ex 2,200 .00 0
2011-03-01 Bergmark Richard L (EVP, CFO & Treasurer) Option Ex 2,200 .00 0
2011-02-14 Joyce Rene R Sale 10,000 98.33 983,330
2010-12-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 400 .00 0
2010-08-19 Schouten Jacobus Option Ex 4,000 .00 0
2010-08-19 Vriesendorp Alexander Option Ex 4,000 .00 0
2010-08-19 Ogren D John Option Ex 4,000 .00 0
2010-08-19 Perna Joseph R Option Ex 4,000 .00 0
2010-08-19 Kearney Michael C Option Ex 4,000 .00 0
2010-08-19 Joyce Rene R Option Ex 4,000 .00 0
2010-07-30 Demshur David M (Chief Executive Officer) Sale 36,741 75.96 2,790,736
2010-07-29 Demshur David M (Chief Executive Officer) Sale 63,259 76.36 4,830,330
2010-07-26 Perna Joseph R Sale 33,683 78.44 2,642,060
2010-06-30 Elvig Mark F (VP, Counsel & Secretary) Option Ex 500 .00 0
2010-05-18 Ogren D John Sale 3,000 144.07 432,210
2010-05-15 Miller Charles Brigham (Chief Accounting Officer) Option Ex 500 .00 0
2010-05-15 Davis Monty L (Chief Operating Officer) Option Ex 1,000 .00 0
2010-05-15 Bergmark Richard L (EVP, CFO & Treasurer) Option Ex 1,000 .00 0
2010-05-03 Kearney Michael C Sale 1,000 151.13 151,127
2010-04-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 350 .00 0
2010-04-01 Miller Charles Brigham (Chief Accounting Officer) Option Ex 350 .00 0
2010-03-01 Elvig Mark F (VP, Counsel & Secretary) Option Ex 100 .00 0
2010-03-01 Miller Charles Brigham (Chief Accounting Officer) Option Ex 200 .00 0
2010-03-01 Davis Monty L (Chief Operating Officer) Option Ex 1,100 .00 0
2010-03-01 Bergmark Richard L (EVP, CFO & Treasurer) Option Ex 1,100 .00 0
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Insider trading activities including stock purchases, stock sales, and option exercises of CLB listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Core Laboratories N V (symbol CLB, CIK number 1000229) see the Securities and Exchange Commission (SEC) website.