Core Laboratories Inc is a providers of proprietary and patented reservoir description and production enhancement services and products to the oil and gas industry, through client relationships. The company operates its business in two segments; Reservoir Description, and Production Enhancement. It provides data and analytics to aid well operators in determining optimal methods for recovering, processing, and refining hydrocarbons from a well. It also manufactures the associated lab equipment for its services. The company generates majority of its revenue from Reservoir Description segment.
Core Laboratories Inc. /DE/ (CLB) had 3 insider filings in the last 90 days, with the most recent on 2026-08-04. The full record for CLB runs to 28 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying CLB stock?
1 insider purchase of CLB was filed in the last 90 days, totaling $54K.
How many insiders are selling CLB stock?
No insider sales of CLB were filed in the last 90 days.
Where can I see CLB SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks CLB Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow CLB insider buys?
Create a free InsiderAlpha account and press Watch on this page to add CLB to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.