| SC 13G/A | 2019-08-12 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | CORE LABORATORIES N V | 4,626,593 | 10.4% | EDGAR |
| SC 13G/A | 2019-05-13 | EARNEST PARTNERS LLC | CORE LABORATORIES N V | 2,286,594 | 5.2% | EDGAR |
| SC 13G/A | 2019-02-14 | WCM INVESTMENT MANAGEMENT, LLC | CORE LABORATORIES N V | 4,912,229 | 11.1% | EDGAR |
| SC 13G/A | 2019-02-14 | Clearbridge Investments, LLC | CORE LABORATORIES N V | 4,805,188 | 10.9% | EDGAR |
| SC 13G | 2019-02-13 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | CORE LABORATORIES N V | 2,608,898 | 5.9% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | CORE LABORATORIES N V | 3,989,283 | 9.0% | EDGAR |
| SC 13G/A | 2019-02-04 | BlackRock Inc. | CORE LABORATORIES N V | 3,276,644 | 7.4% | EDGAR |
| SC 13G/A | 2018-02-14 | WCM INVESTMENT MANAGEMENT/CA | CORE LABORATORIES N V | 4,793,731 | 10.9% | EDGAR |
| SC 13G/A | 2018-02-14 | Clearbridge Investments, LLC | CORE LABORATORIES N V | 5,074,897 | 11.5% | EDGAR |
| SC 13G/A | 2018-02-08 | VANGUARD GROUP INC | CORE LABORATORIES N V | 3,672,917 | 8.3% | EDGAR |
| SC 13G | 2018-02-01 | BlackRock Inc. | CORE LABORATORIES N V | 2,909,717 | 6.6% | EDGAR |
| SC 13G/A | 2017-08-31 | WCM INVESTMENT MANAGEMENT/CA | CORE LABORATORIES N V | 4,489,178 | 10.2% | EDGAR |
| SC 13G/A | 2017-02-14 | Clearbridge Investments, LLC | CORE LABORATORIES N V | 5,029,693 | 11.4% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | CORE LABORATORIES N V | 3,492,642 | 7.9% | EDGAR |
| SC 13G/A | 2017-02-09 | WCM INVESTMENT MANAGEMENT/CA | CORE LABORATORIES N V | 3,950,985 | 9.0% | EDGAR |
| SC 13G/A | 2016-07-12 | EARNEST PARTNERS LLC | CORE LABORATORIES N V | 2,022,144 | 4.6% | EDGAR |
| SC 13G/A | 2016-02-16 | EARNEST PARTNERS LLC | CORE LABORATORIES N V | 2,495,304 | 5.9% | EDGAR |
| SC 13G/A | 2016-02-16 | Clearbridge Investments, LLC | CORE LABORATORIES N V | 5,202,369 | 12.3% | EDGAR |
| SC 13G | 2016-02-16 | WCM INVESTMENT MANAGEMENT/CA | CORE LABORATORIES N V | 3,188,453 | 7.5% | EDGAR |
| SC 13G/A | 2016-02-12 | Capital World Investors | CORE LABORATORIES N V | 601,198 | 1.4% | EDGAR |