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



Complete history of David Demshur stock trades at Core Laboratories Inc

Insider
Trans.
Transaction
Total value
David M Demshur
Chief Executive Officer
Option $2,226,297
31 Dec 2019
David M Demshur
Chief Executive Officer
Option $3,161,682
31 Dec 2018
David M Demshur
Chief Executive Officer
Option $4,829,512
29 Dec 2017
David M Demshur
Chief Executive Officer
Option $2,394,318
30 Dec 2016
David M Demshur
Chief Executive Officer
Option $3,177,165
31 Dec 2015
David M Demshur
Chief Executive Officer
Option $3,177,165
31 Dec 2015
David M Demshur
Chief Executive Officer
Option $3,590,344
31 Dec 2014
David M Demshur
Chief Executive Officer
Option $5,849,753
31 Dec 2013
David M Demshur
Chief Executive Officer
Option $3,016,956
31 Dec 2012
David M Demshur
Chief Executive Officer
Sale $21,852,000
25 Jul 2011
David M Demshur
Chief Executive Officer
Sale $7,607,000
29 Jul 2010
David M Demshur
Chief Executive Officer
Sale $18,502,500
16 Feb 2010
David M Demshur
Chief Executive Officer
Sale $10,750,000
29 Oct 2009
David M Demshur
Chief Executive Officer
Sale $1,727,395
29 Feb 2008
David M Demshur
Chief Executive Officer
Sale $3,264,901
29 Feb 2008
David M Demshur
Chief Executive Officer
Sale $3,228,584
28 Feb 2008
David M Demshur
Chief Executive Officer
Sale $4,128,907
28 Feb 2008
David M Demshur
Chief Executive Officer
Option $2,288,000
12 Feb 2008
David M Demshur
Chief Executive Officer
Sale $1,397,753
17 Aug 2007
David M Demshur
Chief Executive Officer
Sale $2,452,072
17 Aug 2007
David M Demshur
Chief Executive Officer
Sale $3,379,781
14 Aug 2007
David M Demshur
Chief Executive Officer
Sale $4,210,104
22 Feb 2007
David M Demshur
Chief Executive Officer
Sale $2,339,946
22 Feb 2007
David M Demshur
Chief Executive Officer
Option $7,042,950
21 Feb 2007
David M Demshur
Chief Executive Officer
Option $1,648,000
31 Jan 2007
David M Demshur
Chief Executive Officer
Option $46,090
1 May 2006
David M Demshur
Chief Executive Officer
Option $859,600
17 Jan 2006
David M Demshur
Chief Executive Officer
Option $564,550
30 Sep 2005
David M Demshur
Chief Executive Officer
Option $180,000
3 Aug 2005
David M Demshur
Chief Executive Officer
Option $347,127
1 Jun 2005
David M Demshur
Chief Executive Officer
Option $537,600
28 Feb 2005
David M Demshur
Chief Executive Officer
Buy $50,265
1 Jan 2004


Core Laboratories Inc executives and stock owners

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