STOCK TITAN

Core Laboratories (NYSE: CLB) CEO purchases 5,000 shares in open-market trade

(Neutral)
(Positive)
Form Type
4

Rhea-AI Filing Summary

Core Laboratories Inc. reported that Chairman and CEO Bruno Lawrence purchased 5,000 shares of common stock on July 31, 2026 at $10.78 per share, described as a purchase in open market or private transaction. After this trade, his directly held stake totaled 262,438 shares.

Positive

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Negative

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Insider Bruno Lawrence
Role Chairman and CEO
Bought 5,000 shs ($54K)
Type Security Shares Price Value
Purchase Common Stock 5,000 $10.78 $54K
Holdings After Transaction: Common Stock — 262,438 shares (Direct)
Shares purchased 5,000 shares Common stock bought on July 31, 2026
Purchase price $10.78 per share Price for Core Laboratories common stock transaction
Holdings after transaction 262,438 shares Direct common stock ownership by Bruno Lawrence after purchase
Net buy shares 5,000 shares Net change from reported insider transactions
Purchase in open market or private transaction financial
"transaction_code_description: "Purchase in open market or private transaction""
Rule 10b5-1 trading plans regulatory
"Footnotes may reference <b>Rule 10b5-1 trading plans</b> or pre-arranged trading arrangements"
Rule 10b5-1 trading plans are written, pre-arranged instructions that allow company insiders (such as executives or directors) to automatically buy or sell their company's stock at specified times or under set conditions, like a standing instruction or automated thermostat for trades. They matter to investors because these plans provide a legal defense against insider‑trading accusations and create predictable insider trading patterns that can help signal whether sales are routine portfolio management or potentially meaningful to the company’s outlook.
beneficial ownership financial
"Any disclaimers of <b>beneficial ownership</b>"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What insider stock transaction did CLB report for its CEO?

Core Laboratories reported that Chairman and CEO Bruno Lawrence purchased 5,000 shares of its common stock on July 31, 2026. The shares were bought at $10.78 per share, classified as a purchase in open market or private transaction for his direct account.

At what price did the CLB CEO buy Core Laboratories shares?

Bruno Lawrence purchased Core Laboratories common stock at $10.78 per share. This per‑share price applies to the entire 5,000‑share transaction reported, which is characterized as a purchase in open market or private transaction on July 31, 2026.

How many Core Laboratories (CLB) shares does the CEO hold after this trade?

Following the reported purchase, Bruno Lawrence directly owns 262,438 shares of Core Laboratories common stock. This post‑transaction figure reflects his holdings after acquiring 5,000 shares on July 31, 2026 at a price of $10.78 per share.

What type of transaction was reported in the CLB Form 4?

The Form 4 for Core Laboratories lists a purchase of common stock by CEO Bruno Lawrence. It is coded as a non‑derivative transaction, described specifically as a “Purchase in open market or private transaction” involving 5,000 shares at $10.78 per share.

Does the CLB CEO’s Form 4 indicate use of a Rule 10b5-1 trading plan?

The data for this Form 4 shows the Rule 10b5-1 checkbox is not marked as affirming a trading plan. There is no accompanying footnote describing any Rule 10b5-1 trading arrangement for Bruno Lawrence’s 5,000‑share Core Laboratories purchase.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Bruno Lawrence

(Last)(First)(Middle)
6316 WINDFERN ROAD

(Street)
HOUSTON TEXAS 77040

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Core Laboratories Inc. /DE/ [ CLB ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chairman and CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/31/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock07/31/2026P5,000A$10.78262,438D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
/s/ Mark Tattoli, Attorney-in-Fact08/04/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)