Insider · CIK 0001282547

DEMSHUR DAVID M

Reports to the SEC for 1 company · HOUSTON, TX

sec.gov

Transactions

Companies

Filings

CIK

0001282547

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2020-02-11	CORE LABORATORIES N VPerformance SharesA Award	Director, Chief Executive Officer	AAward	+145K sh	—	—	144,606
2019-12-31	CORE LABORATORIES N VM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+59.1K sh	—	—	385,118
2019-12-31	CORE LABORATORIES N VF Tax Payment	Director, Chief Executive Officer	FTax Payment	−19.3K sh	$37.67	−$726K	365,844
2019-12-31	CORE LABORATORIES N VPerformance SharesM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−59.1K sh	—	—	0
2019-02-12	CORE LABORATORIES N VPerformance SharesA Award	Director, Chief Executive Officer	AAward	+73.2K sh	—	—	73,202
2018-12-31	CORE LABORATORIES N VM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+53K sh	—	—	344,358
2018-12-31	CORE LABORATORIES N VF Tax Payment	Director, Chief Executive Officer	FTax Payment	−18.3K sh	$59.66	−$1.09M	326,018
2018-12-31	CORE LABORATORIES N VPerformance SharesM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−53K sh	—	—	0
2018-02-13	CORE LABORATORIES N VPerformance SharesA Award	Director, Chief Executive Officer	AAward	+42K sh	—	—	42,038
2017-12-29	CORE LABORATORIES N VM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+44.1K sh	—	—	308,565
2017-12-29	CORE LABORATORIES N VF Tax Payment	Director, Chief Executive Officer	FTax Payment	−17.2K sh	$109.55	−$1.88M	291,363
2017-12-29	CORE LABORATORIES N VPerformance SharesM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−44.1K sh	—	—	0
2017-02-14	CORE LABORATORIES N VRestricted Performance SharesA Award	Director, Chief Executive Officer	AAward	+39.4K sh	—	—	39,400
2016-12-30	CORE LABORATORIES N VM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+19.9K sh	—	—	272,848
2016-12-30	CORE LABORATORIES N VF Tax Payment	Director, Chief Executive Officer	FTax Payment	−8,368 sh	$120.04	−$1M	264,480
2016-12-30	CORE LABORATORIES N VRestricted Performance SharesM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−19.9K sh	—	—	0
2016-02-16	CORE LABORATORIES N VRestricted Performance SharesA Award	Director, Chief Executive Officer	AAward	+53K sh	—	—	52,995
2015-12-31	CORE LABORATORIES N VM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+29.2K sh	—	—	263,821
2015-12-31	CORE LABORATORIES N VF Tax Payment	Director, Chief Executive Officer	FTax Payment	−10.9K sh	$108.74	−$1.19M	252,902
2015-12-31	CORE LABORATORIES N VRestricted Performance SharesM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−29.2K sh	—	—	0
2015-02-16	CORE LABORATORIES N VRestricted Performance SharesA Award	Director, Chief Executive Officer	AAward	+44.1K sh	—	—	44,085
2014-12-31	CORE LABORATORIES N VF Tax Payment	Director, Chief Executive Officer	FTax Payment	−12.5K sh	$120.34	−$1.51M	234,603
2014-12-31	CORE LABORATORIES N VM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+29.8K sh	—	—	247,119
2014-12-31	CORE LABORATORIES N VF Tax Payment	Director, Chief Executive Officer	FTax Payment	−12.5K sh	—	—	234,603
2014-12-31	CORE LABORATORIES N VRestricted Performance SharesM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−29.8K sh	—	—	0
2014-02-10	CORE LABORATORIES N VRestricted Performance SharesA Award	Director, Chief Executive Officer	AAward	+19.9K sh	—	—	19,946
2013-12-31	CORE LABORATORIES N VM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+30.6K sh	—	—	230,136
2013-12-31	CORE LABORATORIES N VF Tax Payment	Director, Chief Executive Officer	FTax Payment	−12.9K sh	$190.95	−$2.45M	217,284
2013-12-31	CORE LABORATORIES N VRestricted Performance SharesM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−30.6K sh	—	—	0
2013-02-13	CORE LABORATORIES N VRestricted Performance SharesA Award	Director, Chief Executive Officer	AAward	+29.2K sh	—	—	29,218
2012-12-31	CORE LABORATORIES N VM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+27.6K sh	—	—	209,562
2012-12-31	CORE LABORATORIES N VF Tax Payment	Director, Chief Executive Officer	FTax Payment	−10.1K sh	$109.31	−$1.1M	199,501
2012-12-31	CORE LABORATORIES N VRestricted Performance SharesM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−27.6K sh	—	—	0
2012-02-17	CORE LABORATORIES N VRestricted Performance SharesA Award	Director, Chief Executive Officer	AAward	+29.8K sh	—	—	29,835
2011-07-27	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−2,610 sh	$106.93	−$279K	222,282
2011-07-27	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−10.5K sh	$107.40	−$1.13M	211,746
2011-07-27	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−20K sh	$108.51	−$2.17M	191,772
2011-07-27	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−8,810 sh	$109.24	−$962K	182,962
2011-07-27	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−1,000 sh	$110.17	−$110K	181,962
2011-07-26	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−18K sh	$108.77	−$1.96M	334,706
2011-07-26	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−109K sh	$109.25	−$11.9M	225,392
2011-07-26	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−500 sh	$110.03	−$55K	224,892
2011-07-25	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−14.4K sh	$110.79	−$1.6M	367,532
2011-07-25	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−14.8K sh	$111.17	−$1.65M	352,706
2011-04-01	CORE LABORATORIES N VRestricted Performance SharesA Award	Director, Chief Executive Officer	AAward	+30.6K sh	—	—	30,635
2010-07-30	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−19K sh	$75.73	−$1.44M	399,753
2010-07-30	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−17.8K sh	$76.18	−$1.36M	381,962
2010-07-29	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−6,812 sh	$75.92	−$517K	475,150
2010-07-29	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−56.1K sh	$76.16	−$4.28M	419,003
2010-07-29	CORE LABORATORIES N VS Sale	Director, Chief Executive Officer	SSale	−300 sh	$77.00	−$23.1K	418,703

Recent filings

Accepted (ET)
Feb 124
DEMSHUR DAVID M0001209191-20-008883
SEC(opens sec.gov)
Jan 34
DEMSHUR DAVID M0001209191-20-000788
SEC(opens sec.gov)
Feb 144
DEMSHUR DAVID M0001000229-19-000024
SEC(opens sec.gov)
Jan 34
DEMSHUR DAVID M0001000229-19-000004
SEC(opens sec.gov)
Feb 154
DEMSHUR DAVID M0001000229-18-000033
SEC(opens sec.gov)
Jan 34
DEMSHUR DAVID M0001000229-18-000016
SEC(opens sec.gov)
Feb 164
CORE LABORATORIES N V0001000229-17-000029
SEC(opens sec.gov)
Jan 44
CORE LABORATORIES N V0001000229-17-000011
SEC(opens sec.gov)
Feb 164
CORE LABORATORIES N V0001000229-16-000153
SEC(opens sec.gov)
Jan 44
CORE LABORATORIES N V0001000229-16-000132
SEC(opens sec.gov)

Companies

CORE LABORATORIES N VDirector, Chief Executive Officer

Address

6316 WINDFERN ROAD

HOUSTON, TX, 77040