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CLB

Core Laboratories Inc. /DE/ (CLB) stock: insider trades, news & valuation

Net buying
Close · Oct 9, 2026 $10.09 -0.7% on the day -7.8% over 12 months 52-week range $9.70 – $19.63

Share price and insider trades

CLB closeInsider buyInsider sale
5101520NovDecJan 2026FebMarAprMayJunJulAugSepOctBought $53,900 on 2026-07-31 · Lawrence Bruno
Bought, 12 months$54K
Sold, 12 months$0
Insiders buying1
Insiders selling0

Core Laboratories Inc. /DE/ insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $54K and 0 sold $0 of CLB stock on the open market.

CLB insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q3 2026: $54K bought (1 trades)$54KQ3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026$54K1—0

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.1×Last 5 sessions
Insiders' paper profit−$3KOn all tracked purchases -6.4%

Summary

Over the past 12 months, 1 Core Laboratories Inc. /DE/ insider reported open-market purchases totaling $54K, while 0 insiders reported sales totaling $0.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Aug 4SEC Lawrence BrunoCEO, Chair Buy 5,000262,438 held (+2%) $10.78 $54K -6.4% —

Insiders at Core Laboratories Inc. /DE/

InsiderBoughtSoldLast filingScore
Lawrence BrunoCEO, Chair $54K — Aug 4, 2026 —

CLB stock: common questions

Are Core Laboratories Inc. /DE/ insiders buying CLB stock?

In the past 12 months, 1 insiders reported open-market purchases of CLB worth $54K. The latest was CEO, Chair Lawrence Bruno bought $54K of CLB at $10.78 — first open-market purchase in our records.

Are Core Laboratories Inc. /DE/ insiders selling CLB stock?

0 insiders reported sales worth $0 over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is CLB's 52-week range?

Over the past year CLB has traded between $9.70 and $19.63. It last closed at $10.09 on Oct 9, 2026.