Core Laboratories Inc. /DE/ (CLB)
Sector: Oil & Gas Field Services, NEC
Industry: Oil & Gas Equipment & Services
Core Laboratories N.V.
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Nov 6, 2026 | 8.94 | 9.00 | 8.75 | 8.84 | 705,962 |
| Nov 5, 2026 | 9.74 | 9.74 | 8.92 | 8.93 | 707,868 |
| Nov 4, 2026 | 9.85 | 9.88 | 9.46 | 9.65 | 635,686 |
| Nov 3, 2026 | 10.17 | 10.27 | 9.67 | 9.77 | 523,569 |
| Nov 2, 2026 | 10.50 | 10.66 | 10.17 | 10.19 | 669,175 |
| Oct 30, 2026 | 10.36 | 10.79 | 10.22 | 10.64 | 880,174 |
| Oct 29, 2026 | 10.05 | 10.47 | 9.91 | 10.40 | 1,036,388 |
| Oct 28, 2026 | 10.38 | 10.61 | 10.26 | 10.49 | 976,985 |
| Oct 27, 2026 | 10.22 | 10.34 | 10.04 | 10.33 | 890,902 |
| Oct 26, 2026 | 9.80 | 10.35 | 9.80 | 10.22 | 526,976 |
| Oct 23, 2026 | 9.42 | 10.00 | 9.41 | 9.91 | 1,019,461 |
| Oct 22, 2026 | 10.08 | 10.08 | 9.13 | 9.40 | 1,010,307 |
| Oct 21, 2026 | 10.08 | 10.25 | 10.08 | 10.13 | 496,751 |
| Oct 20, 2026 | 10.24 | 10.35 | 9.95 | 10.06 | 376,520 |
| Oct 19, 2026 | 9.94 | 10.19 | 9.94 | 10.15 | 466,442 |
| Oct 16, 2026 | 9.92 | 10.10 | 9.88 | 10.00 | 385,133 |
| Oct 15, 2026 | 9.70 | 9.79 | 9.47 | 9.78 | 802,015 |
| Oct 14, 2026 | 10.16 | 10.22 | 9.72 | 9.77 | 699,407 |
| Oct 13, 2026 | 10.09 | 10.26 | 10.05 | 10.16 | 740,621 |
| Oct 12, 2026 | 10.26 | 10.28 | 9.93 | 10.01 | 430,209 |
| Insider | Title | Type | Shares | Value | Date |
|---|---|---|---|---|---|
| CAO & Treasurer | Option Exercise | 250 | -- | Oct 1, 2026 | |
| SVP, Gen Counsel & Secretary | Automatic Sell | 276 | $2.7K | Oct 1, 2026 | |
| SVP, Gen Counsel & Secretary | Option Exercise | 700 | -- | Oct 1, 2026 | |
| CAO & Treasurer | Option Exercise | 250 | -- | Oct 1, 2026 | |
| CAO & Treasurer | Automatic Sell | 99 | $966.24 | Oct 1, 2026 | |
| SVP, Gen Counsel & Secretary | Option Exercise | 700 | -- | Oct 1, 2026 |
| Name | Shares | % | Source |
|---|---|---|---|
ARIEL INVESTMENTS, LLC | 14.1M | 30.7% | 13F |
Ariel Investments, LLC · also on 13F· may incl. warrants· filed Nov 2025 | 13.8M | 30.1% | 13G |
BlackRock, Inc. | 7.5M | 16.3% | 13F |
DISCIPLINED GROWTH INVESTORS INC /MN · also on 13F· may incl. warrants· filed May 2026 | 4.9M | 10.8% | 13G |
BlackRock, Inc. · also on 13F· may incl. warrants· filed Aug 2026 | 3.8M | 8.3% | 13G |
EARNEST PARTNERS LLC · also on 13F· may incl. warrants· filed Feb 2026 | 3.2M | 7.0% | 13G |
DISCIPLINED GROWTH INVESTORS INC /MN | 3.0M | 6.6% | 13F |
EARNEST PARTNERS LLC | 2.9M | 6.4% | 13F |
STATE STREET CORP | 2.2M | 4.7% | 13F |
DIMENSIONAL FUND ADVISORS LP | 1.6M | 3.5% | 13F |
Insiders
- Teo Sow HangCAO & Treasurer
- Tattoli Mark DamianSVP, Gen Counsel & Secretary
- Bruno LawrenceChairman and CEO
- Carnes Martha Z.Director
- Temeng KwakuDirector
- Klingensmith Harvey RobertDirector
- ANASTASIO CURTDirector
- MARTINOVICH ROBERT FDirector
- Murray KatherineDirector
- Hill Christopher ScottSVP & CFO
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. Offerings in this segment encompass comprehensive laboratory analysis and on-site field evaluations to determine the properties of crude oil and refined products, alongside performing proprietary and collaborative industry research studies. Conversely, the Production Enhancement segment furnishes an array of services and products vital for well completions, perforations, stimulation processes, and general production activities. This includes providing integrated diagnostic tools designed to assess the efficacy of well completions and to devise strategies for more effective enhanced oil recovery initiatives. Core Laboratories markets and sells its solutions through diverse channels, including direct sales representatives, educational seminars, industry trade exhibitions, print advertising, and a network of distributors. Established in 1936, the company boasts a significant international presence, conducting operations in approximately 50 countries, with its corporate headquarters situated in Amstelveen, the Netherlands.
13F filers report 50.61M shares, more than the 45.82M outstanding, so no percentage is shown. 13F reports lag by a quarter and shares lent to short sellers can be counted twice.
30d Avg
699.03K
60d Avg
680.81K
90d Avg
605.41K