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Core Laboratories N V Stock: price and management transactions · United States · SEC (Form 4)
Follow the Core Laboratories N V share price and the full management transaction log of the company, a listed equity based in United States. Shares are listed on US US, under the oversight of SEC (Form 4). Operating in the Energy sector, Core Laboratories N V has published 42 reports. Market capitalisation: €602.5m. The latest transaction was filed on 3 April 2023 (Levée d'options). Among the most active insiders: Tattoli Mark Damian. All data is accessible without an account.
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38Σ signal
Informational score on this market. Our backtest validates the signal only on 8 EU venues; elsewhere (notably US markets) insider buys historically invert or do not hold. Not a recommendation.
Sigma AI Analysis
Fundamental view, insider signal, bull and bear case, synthesis.
AI-generated analysis. Opinion, not investment advice. Not backtested. Built from public filings and financials. No price target, no buy or sell recommendation.
Last declaration on 3 April 2023
Declarations42 total
5,485 shares0Common SharesSEC:0001209191-23-022048:0
5,485 shares0Common SharesSEC:0001209191-23-022069:0
2,524 shares@ US$22.0546.8% of flowCommon SharesSEC:0001209191-23-022054:0
5,485 shares0Common SharesSEC:0001209191-23-022045:0
5,485 shares0Common SharesSEC:0001209191-23-022065:0
5,485 shares0Common SharesSEC:0001209191-23-022050:0
12,470 shares@ US$20.2739.4% of flowCommon SharesSEC:0001209191-23-001028:0
4,722 shares@ US$20.27100.0% of flowCommon SharesSEC:0001209191-23-001063:0
2,361 shares@ US$20.2741.4% of flowCommon SharesSEC:0001209191-23-001016:0
35,892 shares@ US$20.2748.8% of flowCommon SharesSEC:0001209191-23-001001:0
63 shares@ US$21.5010.6% of flowCommon SharesSEC:0001209191-22-059314:0
56 shares@ US$21.501.1% of flowCommon SharesSEC:0001209191-22-059313:0
276 shares@ US$13.4831.0% of flowCommon SharesSEC:0001209191-22-051744:0
112 shares@ US$18.0216.1% of flowCommon SharesSEC:0001209191-22-043831:0
97 shares@ US$26.000.0004% mcap46.4% of flowCommon SharesSEC:0001209191-22-026397:0
1,982 shares@ US$32.430.0096% mcap100.0% of flowCommon SharesSEC:0001209191-22-022513:0
4,307 shares0Common SharesSEC:0001209191-22-022504:0
4,307 shares0Common SharesSEC:0001209191-22-022510:0
4,307 shares0Common SharesSEC:0001209191-22-022518:0
4,307 shares0Common SharesSEC:0001209191-22-022507:0
4,307 shares0Common SharesSEC:0001209191-22-022515:0
54 shares@ US$27.510.0002% mcap2.1% of flowCommon SharesSEC:0001209191-22-014724:0
50 shares@ US$27.510.0002% mcap23.8% of flowCommon SharesSEC:0001209191-22-014727:0
18,193 shares@ US$22.310.059% mcap50.0% of flowCommon SharesSEC:0001209191-22-001059:0
1,850 shares@ US$22.310.0060% mcap50.0% of flowCommon SharesSEC:0001209191-22-001062:0
25 of 42 declarations
About Core Laboratories N V
Core Laboratories N.V. (NYSE: CLB) is a specialized oilfield services company headquartered in the United States and listed on the NYSE. For investors, Core Lab stands out as a high-value technical partner rather than an upstream producer: it helps oil and gas operators better understand the subsurface, reduce reservoir uncertainty, and improve field performance. Founded in 1936, the company is approaching 90 years of scientific and engineering expertise, giving it a long-established reputation in reservoir analysis and production optimization. Its operating headquarters are in Houston, at the center of the U.S. energy services ecosystem. Core Lab’s business is organized around two main segments: Reservoir Description and Production Enhancement. Reservoir Description covers core and fluid analysis, petrophysics, geochemistry, geomechanics, laboratory services, and related data interpretation used to characterize reservoir rock and fluids. Production Enhancement includes diagnostics, stimulation support, proprietary tracer technologies, and tools designed to improve completions and maximize hydrocarbon recovery. The company emphasizes patented and proprietary services, which supports its positioning in technically demanding, data-intensive projects. From a competitive standpoint, Core Laboratories occupies a niche within the broader oil services sector. Its moat is not scale in drilling or equipment volume, but scientific depth, laboratory expertise, and long-standing relationships with national oil companies and major international operators. The company operates in more than 50 countries through over 70 offices, giving it a truly global footprint across major producing basins in the Middle East, Latin America, Europe, Africa, and North America. That geographic reach is important because Core Lab tends to win work in complex reservoirs, offshore developments, and technically challenging conventional and unconventional assets. Recent company developments reinforce that profile. Core Lab published its 2025 annual report in spring 2026 and highlighted a strategic re-anchoring toward international and technically complex markets. In March 2026, management disclosed that Middle East conflict and related project delays were affecting first-quarter 2026 guidance, underlining the company’s sensitivity to regional disruptions and client spending timing. In May 2026, Core Lab also highlighted work around plug-less completions and its SpectraStim™ technology, signaling continued innovation in completion diagnostics and efficiency. Overall, Core Laboratories N.V. is best viewed as a specialty energy services name with a scientific heritage, a global operating base, and a disciplined, technically differentiated business model on the NYSE in the United States.
