Last updated: 12 February 2020 at 5:21pm EST

David M Demshur Net Worth




The estimated Net Worth of David M Demshur is at least $91.2 Million dollars as of 31 December 2019. David Demshur owns over 59,100 units of Core Laboratories Inc stock worth over $6,362,149 and over the last 21 years David sold CLB stock worth over $84,840,942.

David Demshur CLB stock SEC Form 4 insiders trading

David has made over 32 trades of the Core Laboratories Inc stock since 2004, according to the Form 4 filled with the SEC. Most recently David exercised 59,100 units of CLB stock worth $976,332 on 31 December 2019.

The largest trade David's ever made was exercising 555,000 units of Core Laboratories Inc stock on 21 February 2007 worth over $7,042,950. On average, David trades about 41,263 units every 124 days since 2004. As of 31 December 2019 David still owns at least 385,118 units of Core Laboratories Inc stock.

You can see the complete history of David Demshur stock trades at the bottom of the page.



What's David Demshur's mailing address?

David's mailing address filed with the SEC is 6316, Windfern Road, Houston, Harris County, Texas, 77040, United States.

Insiders trading at Core Laboratories Inc

Over the last 24 years, insiders at Core Laboratories Inc have traded over $193,912,801 worth of Core Laboratories Inc stock and bought 26,580 units worth $2,019,042 . The most active insiders traders include Sachs Group Incgoldman Sach..., David M Demshur, and Richard L Bergmark. On average, Core Laboratories Inc executives and independent directors trade stock every 20 days with the average trade being worth of $220,063. The most recent stock trade was executed by Mark Damian Tattoli on 1 August 2024, trading 370 units of CLB stock currently worth $6,112.



What does Core Laboratories Inc do?

core laboratories is a leading provider of proprietary and patented reservoir description and production enhancement services. core laboratories remains dedicated to providing the technology you need to enhance your production. we continue to develop and acquire technologies that complement our existing products and services, and we disseminate these technologies throughout our global network. with over 70 offices in more than 50 countries located in major oil-producing provinces, core laboratories provides services to the world's major, national, and independent oil companies. we can help you solve your reservoir problems. core laboratories'​ reservoir optimization technologies are used to increase total recovery from existing fields. our services enable our clients to optimize reservoir performance and maximize hydrocarbon recovery from their producing fields. core laboratories has taken extensive measures to ensure the services and data provided by all of our worldwide companies are



What does Core Laboratories Inc's logo look like?

Core Laboratories Inc logo

Complete history of David Demshur stock trades at Core Laboratories Inc

Date
#
Company
Insider
Trans.
Transaction
Shares Price per share Total value Shares after Source
31 Dec 2019 David M Demshur
Chief Executive Officer
Option 59,100 $37.67 $2,226,297
31 Dec 2019
385,118
31 Dec 2018 David M Demshur
Chief Executive Officer
Option 52,995 $59.66 $3,161,682
31 Dec 2018
344,358
29 Dec 2017 David M Demshur
Chief Executive Officer
Option 44,085 $109.55 $4,829,512
29 Dec 2017
308,565
30 Dec 2016 David M Demshur
Chief Executive Officer
Option 19,946 $120.04 $2,394,318
30 Dec 2016
272,848
31 Dec 2015 David M Demshur
Chief Executive Officer
Option 29,218 $108.74 $3,177,165
31 Dec 2015
263,821
31 Dec 2015 David M Demshur
Chief Executive Officer
Option 29,218 $108.74 $3,177,165
31 Dec 2015
263,821
31 Dec 2014 David M Demshur
Chief Executive Officer
Option 29,835 $120.34 $3,590,344
31 Dec 2014
247,119
31 Dec 2013 David M Demshur
Chief Executive Officer
Option 30,635 $190.95 $5,849,753
31 Dec 2013
230,136
31 Dec 2012 David M Demshur
Chief Executive Officer
Option 27,600 $109.31 $3,016,956
31 Dec 2012
209,562
25 Jul 2011 David M Demshur
Chief Executive Officer
Sale 200,000 $109.26 $21,852,000
25 Jul 2011
181,962
29 Jul 2010 David M Demshur
Chief Executive Officer
Sale 100,000 $76.07 $7,607,000
29 Jul 2010
381,962
16 Feb 2010 David M Demshur
Chief Executive Officer
Sale 150,000 $123.35 $18,502,500
16 Feb 2010
240,981
29 Oct 2009 David M Demshur
Chief Executive Officer
Sale 100,000 $107.50 $10,750,000
29 Oct 2009
390,981
29 Feb 2008 David M Demshur
Chief Executive Officer
Sale 14,045 $122.99 $1,727,395
29 Feb 2008
490,981
29 Feb 2008 David M Demshur
Chief Executive Officer
Sale 26,733 $122.13 $3,264,901
29 Feb 2008
505,026
28 Feb 2008 David M Demshur
Chief Executive Officer
Sale 26,098 $123.71 $3,228,584
28 Feb 2008
531,759
28 Feb 2008 David M Demshur
Chief Executive Officer
Sale 33,124 $124.65 $4,128,907
28 Feb 2008
557,857
12 Feb 2008 David M Demshur
Chief Executive Officer
Option 40,000 $57.20 $2,288,000
12 Feb 2008
605,577
17 Aug 2007 David M Demshur
Chief Executive Officer
Sale 13,514 $103.43 $1,397,753
17 Aug 2007
565,577
17 Aug 2007 David M Demshur
Chief Executive Officer
Sale 23,904 $102.58 $2,452,072
17 Aug 2007
579,091
14 Aug 2007 David M Demshur
Chief Executive Officer
Sale 32,216 $104.91 $3,379,781
14 Aug 2007
602,995
22 Feb 2007 David M Demshur
Chief Executive Officer
Sale 52,600 $80.04 $4,210,104
22 Feb 2007
617,936
22 Feb 2007 David M Demshur
Chief Executive Officer
Sale 29,400 $79.59 $2,339,946
22 Feb 2007
670,536
21 Feb 2007 David M Demshur
Chief Executive Officer
Option 555,000 $12.69 $7,042,950
21 Feb 2007
962,265
31 Jan 2007 David M Demshur
Chief Executive Officer
Option 40,000 $41.20 $1,648,000
31 Jan 2007
420,676
1 May 2006 David M Demshur
Chief Executive Officer
Option 5,500 $8.38 $46,090
1 May 2006
380,962
17 Jan 2006 David M Demshur
Chief Executive Officer
Option 40,000 $21.49 $859,600
17 Jan 2006
340,649
30 Sep 2005 David M Demshur
Chief Executive Officer
Option 35,000 $16.13 $564,550
30 Sep 2005
314,649
3 Aug 2005 David M Demshur
Chief Executive Officer
Option 30,000 $6.00 $180,000
3 Aug 2005
285,231
1 Jun 2005 David M Demshur
Chief Executive Officer
Option 27,183 $12.77 $347,127
1 Jun 2005
299,689
28 Feb 2005 David M Demshur
Chief Executive Officer
Option 40,000 $13.44 $537,600
28 Feb 2005
288,506
1 Jan 2004 David M Demshur
Chief Executive Officer
Buy 2,405 $20.90 $50,265
1 Jan 2004
53,172


Core Laboratories Inc executives and stock owners

Core Laboratories Inc executives and other stock owners filed with the SEC include: