| $50M | ||
| $47M | ||
| $37M | ||
| $34M | ||
| $18M | ||
| $16M |
Buys | $53,900 | 1 | 100 |
Sells | $0 | 0 | 0 |
| Bruno Lawrence | Chairman and CEO | 1 | $53,900 | 0 | $0 | $53,900 |
Core Laboratories N.V. (CLB) is a global provider to the oil and gas sector, delivering specialized services and products for characterizing subterranean reservoirs and optimizing hydrocarbon extraction. The company's operations are distinctly segmented into Reservoir Description and Production Enhancement. The Reservoir Description division meticulously analyzes petroleum reservoir rock, fluid, and gas samples. This detailed scientific examination aims to boost the yield and enhance the recovery of oil and gas from clients' reservoirs. …
Over the last 12 months, insiders at Core Laboratories N.V. have bought $53,900 and sold $0 worth of Core Laboratories N.V. stock.
On average, over the past 5 years, insiders at Core Laboratories N.V. have bought $53,900 and sold $0 worth of stock each year.
Highest buying activity among insiders over the last 12 months: Bruno Lawrence (Chairman and CEO) — $53,900.
The last purchase of 5,000 shares for transaction amount of $53,900 was made by Bruno Lawrence (Chairman and CEO) on 2026‑07‑31.
| 2026-07-31 | Bruno Lawrence | Chairman and CEO | 5,000 0.0108% | $10.78 | $53,900 | +2.92% | ||
| 2020-05-07 | Sodderland Jan Willem | director | 600 0.0014% | $17.07 | $10,242 | +45.78% | ||
| 2020-04-01 | GOLDMAN SACHS GROUP INC | 10 percent owner | 676 0.0015% | $9.34 | $6,313 | +128.12% | ||
| 2020-02-03 | Bruno Lawrence | President & COO | 3,000 0.0067% | $34.86 | $104,579 | -40.45% | ||
| 2020-01-02 | Sale | Elvig Mark F | VP,Counsel & Secretary | 600 0.0013% | $37.93 | $22,759 | -45.69% | |
| 2019-08-14 | Barnett Gregory Barry | director | 2,000 0.0045% | $38.00 | $76,000 | -11.01% | ||
| 2019-08-13 | Barnett Gregory Barry | director | 1,000 0.0022% | $40.00 | $40,000 | -14.89% | ||
| 2019-03-11 | Sale | Daniels Kevin | CAO & Treasurer | 428 0.0009% | $66.25 | $28,355 | -29.39% | |
| 2018-10-29 | Sodderland Jan Willem | director | 200 0.0005% | $85.76 | $17,152 | -28.99% | ||
| 2018-08-14 | Sale | Daniels Kevin | CAO & Treasurer | 73 0.0002% | $112.63 | $8,222 | -38.89% | |
| 2017-02-01 | Straughen Michael | director | 106 0.0002% | $118.65 | $12,577 | -10.54% | ||
| 2017-01-30 | Carnes Martha Z. | director | 200 0.0005% | $115.20 | $23,040 | -8.80% | ||
| 2016-02-02 | Sodderland Jan Willem | director | 300 0.0007% | $93.90 | $28,170 | +25.44% | ||
| 2015-07-24 | Sodderland Jan Willem | director | 300 0.0007% | $106.20 | $31,860 | +9.79% | ||
| 2015-05-12 | Sale | KEARNEY MICHAEL C | director | 1,000 0.0023% | $128.52 | $128,520 | -11.40% | |
| 2015-02-03 | van Kempen Margaret Ann | director | 250 0.0006% | $102.07 | $25,519 | +7.30% | ||
| 2015-02-02 | Sodderland Jan Willem | director | 300 0.0007% | $94.54 | $28,362 | +15.84% | ||
| 2014-11-17 | Sale | Elvig Mark F | VP, Counsel & Secretary | 1,000 0.0023% | $138.03 | $138,030 | -16.72% | |
| 2014-11-14 | van Geuns Lucia | director | 95 0.0002% | $143.98 | $13,678 | -17.26% | ||
| 2014-08-04 | Dunlap Charles L | director | 500 0.0011% | $147.59 | $73,795 | -18.55% |
| Bruno Lawrence | Chairman and CEO | 262438 0.572% | $2.56M | 2 | 0 | <0.0001% |
| GOLDMAN SACHS GROUP INC | 10 percent owner | 4640900 10.1143% | $45.34M | 1 | 0 | +128.12% |
| DEMSHUR DAVID M | Chief Executive Officer | 181962 0.3966% | $1.78M | 2 | 13 | +9.5% |
| DAVIS MONTY L | Chief Operating Officer | 134410 0.2929% | $1.31M | 2 | 13 | +9.5% |
| BERGMARK RICHARD L | EVP & CFO | 54083 0.1179% | $528,390.91 | 3 | 12 | +0.73% |
| Barnett Gregory Barry | director | 13000 0.0283% | $127,010.00 | 2 | 0 | <0.0001% |
| KEARNEY MICHAEL C | director | 11964 0.0261% | $116,888.28 | 1 | 7 | +14.54% |
| Elvig Mark F | VP,Counsel & Secretary | 11035 0.024% | $107,811.95 | 7 | 4 | +31.76% |
| Sodderland Jan Willem | director | 7852 0.0171% | $76,714.04 | 7 | 0 | +4.26% |
| Dunlap Charles L | director | 800 0.0017% | $7,816.00 | 2 | 0 | <0.0001% |
| van Kempen Margaret Ann | director | 350 0.0008% | $3,419.50 | 2 | 0 | <0.0001% |
| Carnes Martha Z. | director | 200 0.0004% | $1,954.00 | 1 | 0 | <0.0001% |
| van Geuns Lucia | director | 95 0.0002% | $928.15 | 1 | 0 | <0.0001% |
| Straughen Michael | director | 106 0.0002% | $1,035.62 | 1 | 0 | <0.0001% |
$229,010,235 | 161 | 11.21% | $1.33B | |
$33,003,770 | 97 | 18.94% | $52.78M | |
$10,942,529 | 93 | -8.86% | $898.65M | |
$15,642,423 | 77 | 49.91% | $881.03M | |
$145,520,944 | 65 | -6.80% | $759.45M |
| Increased Positions | 81 | +31.27% | 3M | +5.73% |
| Decreased Positions | 116 | -44.79% | 5M | -9.48% |
| New Positions | 29 | New | 1M | New |
| Sold Out Positions | 36 | Sold Out | 2M | Sold Out |
| Total Postitions | 224 | -13.51% | 50M | -3.75% |
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| Disciplined Growth Investors Inc /Mn | $101,189.00 | 12.7% | 5.97M | +528,976 | +9.72% | 2025-09-30 |
| Earnest Partners Llc | $58,099.00 | 7.29% | 3.43M | -175,370 | -4.87% | 2025-09-30 |
| Vanguard Group Inc | $51,653.00 | 6.48% | 3.05M | -1M | -31.96% | 2025-09-30 |
| State Street Corp | $33,509.00 | 4.21% | 1.98M | -185,867 | -8.59% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $18,833.00 | 2.36% | 1.11M | -58,392 | -4.99% | 2025-09-30 |
| Geode Capital Management, Llc | $18,754.00 | 2.35% | 1.11M | -8,122 | -0.73% | 2025-09-30 |
| T. Rowe Price Investment Management, Inc. | $15,393.00 | 1.93% | 908,158 | +33,117 | +3.79% | 2025-09-30 |
| Fisher Asset Management, Llc | $13,977.00 | 1.75% | 824,579 | -43,147 | -4.97% | 2025-09-30 |