Insider Trading activities of Core Laboratories N V (CLB)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Core Laboratories N V (CLB) 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 $1,840,039.
The total value of stock sales since 2005 is $249,439,746.
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
2020-02 3,000 $104,580 0 $0 0 $0
2020-01 0 $0 600 $22,761 0 $0
2019-12 0 $0 0 $0 66,440 $0
2019-08 3,000 $116,000 0 $0 0 $0
2019-07 0 $0 0 $0 105 $0
2019-04 0 $0 0 $0 16,555 $0
2019-03 0 $0 428 $28,355 330 $0
2018-12 0 $0 0 $0 62,935 $0
2018-10 200 $17,152 0 $0 0 $0
2018-09 0 $0 0 $0 350 $0
2018-08 0 $0 73 $8,221 200 $0
2018-07 0 $0 0 $0 105 $0
2018-04 0 $0 0 $0 7,947 $0
2018-03 0 $0 0 $0 5,844 $0
2017-12 0 $0 0 $0 85,580 $0
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 ($)   Value ($)
2020-02-03 Bruno Lawrence (President & COO) Buy 3,000 34.86 104,580
2020-01-02 Elvig Mark F (VP,Counsel & Secretary) Sale 600 37.94 22,761
2019-12-31 Bruno Lawrence (President & COO) Option Ex 2,400 .00 0
2019-12-31 Hill Christopher Scott (SVP & CFO) Option Ex 2,400 .00 0
2019-12-31 Elvig Mark F (VP,Counsel & Secretary) Option Ex 2,400 .00 0
2019-12-31 Demshur David M (Chief Executive Officer) Option Ex 59,100 .00 0
2019-12-01 Daniels Kevin (CAO & Treasurer) Option Ex 140 .00 0
2019-08-14 Barnett Gregory Barry Buy 2,000 38.00 76,000
2019-08-13 Barnett Gregory Barry Buy 1,000 40.00 40,000
2019-07-01 Daniels Kevin (CAO & Treasurer) Option Ex 105 .00 0
2019-04-01 Daniels Kevin (CAO & Treasurer) Option Ex 70 .00 0
2019-04-01 Bruno Lawrence (President) Option Ex 100 .00 0
2019-04-01 Carnes Martha Z. Option Ex 2,722 .00 0
2019-04-01 Straughen Michael Option Ex 2,722 .00 0
2019-04-01 Hill Christopher Scott (SVP and CFO) Option Ex 53 .00 0
2019-04-01 Van Geuns Lucia Option Ex 2,722 .00 0
2019-04-01 Van Kempen Margaret Ann Option Ex 2,722 .00 0
2019-04-01 Sodderland Jan Willem Option Ex 2,722 .00 0
2019-04-01 Dunlap Charles L Option Ex 2,722 .00 0
2019-03-11 Daniels Kevin (CAO & Treasurer) Sale 428 66.25 28,355
2019-03-01 Daniels Kevin (CAO & Treasurer) Option Ex 230 .00 0
2019-03-01 Hill Christopher Scott (SVP and CFO) Option Ex 100 .00 0
2018-12-31 Bruno Lawrence (President) Option Ex 3,000 .00 0
2018-12-31 Hill Christopher Scott (VP and CFO) Option Ex 3,000 .00 0
2018-12-31 Elvig Mark F (VP, Counsel & Secretary) Option Ex 3,000 .00 0
2018-12-31 Demshur David M (Chief Executive Officer) Option Ex 52,995 .00 0
2018-12-01 Daniels Kevin (CAO & Treasurer) Option Ex 940 .00 0
2018-10-29 Sodderland Jan Willem Buy 200 85.76 17,152
2018-09-01 Daniels Kevin (CAO & Treasurer) Option Ex 125 .00 0
2018-09-01 Bruno Lawrence (President) Option Ex 100 .00 0
2018-09-01 Hill Christopher Scott (VP and CFO) Option Ex 125 .00 0
2018-08-14 Daniels Kevin (CAO & Treasurer) Sale 73 112.63 8,221
2018-08-01 Bruno Lawrence (President) Option Ex 200 .00 0
2018-07-01 Daniels Kevin (CAO & Treasurer) Option Ex 105 .00 0
2018-04-01 Bruno Lawrence (President) Option Ex 100 .00 0
2018-04-01 Carnes Martha Z. Option Ex 1,299 .00 0
2018-04-01 Straughen Michael Option Ex 1,299 .00 0
2018-04-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 53 .00 0
2018-04-01 Van Geuns Lucia Option Ex 1,299 .00 0
2018-04-01 Van Kempen Margaret Ann Option Ex 1,299 .00 0
2018-04-01 Sodderland Jan Willem Option Ex 1,299 .00 0
2018-04-01 Dunlap Charles L Option Ex 1,299 .00 0
2018-03-31 Van Geuns Lucia Option Ex 1,436 .00 0
2018-03-31 Van Kempen Margaret Ann Option Ex 1,436 .00 0
2018-03-31 Sodderland Jan Willem Option Ex 1,436 .00 0
2018-03-31 Dunlap Charles L Option Ex 1,436 .00 0
2018-03-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 100 .00 0
2017-12-29 Hill Christopher Scott (Chief Accounting Officer) Option Ex 3,000 .00 0
2017-12-29 Elvig Mark F (VP, Counsel & Secretary) Option Ex 3,000 .00 0
2017-12-29 Davis Monty L (Chief Operating Officer) Option Ex 17,685 .00 0
2017-12-29 Demshur David M (Chief Executive Officer) Option Ex 44,085 .00 0
2017-12-29 Bergmark Richard L (EVP & CFO) Option Ex 17,685 .00 0
2017-12-01 Hill Christopher Scott (Chief Accounting Officer) Option Ex 125 .00 0
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
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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.




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