0001140361-11-038191.txt : 20110727 0001140361-11-038191.hdr.sgml : 20110727 20110727170635 ACCESSION NUMBER: 0001140361-11-038191 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110725 FILED AS OF DATE: 20110727 DATE AS OF CHANGE: 20110727 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DEMSHUR DAVID M CENTRAL INDEX KEY: 0001282547 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14273 FILM NUMBER: 11990825 MAIL ADDRESS: STREET 1: 6316 WINDFERN ROAD CITY: HOUSTON STATE: TX ZIP: 77040 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CORE LABORATORIES N V CENTRAL INDEX KEY: 0001000229 STANDARD INDUSTRIAL CLASSIFICATION: OIL, GAS FIELD SERVICES, NBC [1389] IRS NUMBER: 000000000 STATE OF INCORPORATION: P7 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1017 BZ AMSTERDAM STREET 2: HERENGRACHT 424 CITY: THE NETHERLANDS STATE: P7 BUSINESS PHONE: 3124203191 MAIL ADDRESS: STREET 1: 6316 WINDFERN CITY: HOUSTON STATE: TX ZIP: 77040 4 1 doc1.xml FORM 4 X0303 4 2011-07-25 0 0001000229 CORE LABORATORIES N V CLB 0001282547 DEMSHUR DAVID M 6316 WINDFERN ROAD HOUSTON TX 77040 1 1 0 0 Chief Executive Officer Common Shares 2011-07-25 4 S 0 14430 110.7861 D 367532 D Common Shares 2011-07-25 4 S 0 14826 111.1653 D 352706 D Common Shares 2011-07-26 4 S 0 18000 108.7690 D 334706 D Common Shares 2011-07-26 4 S 0 109314 109.2473 D 225392 D Common Shares 2011-07-26 4 S 0 500 110.03 D 224892 D Common Shares 2011-07-27 4 S 0 2610 106.9328 D 222282 D Common Shares 2011-07-27 4 S 0 10536 107.3967 D 211746 D Common Shares 2011-07-27 4 S 0 19974 108.5129 D 191772 D Common Shares 2011-07-27 4 S 0 8810 109.2366 D 182962 D Common Shares 2011-07-27 4 S 0 1000 110.1710 D 181962 D Common Shares 68530 I 401(k) Plan This transaction was executed in multiple trades at prices ranging from $110.00 to $110.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $111.00 to $111.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $108.00 to $108.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $109.00 to $109.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $106.00 to $106.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $107.00 to $107.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Mark Elvig, Attorney-in-Fact 2011-07-27