Sow Hang Teo - 01 Oct 2025 Form 4 Insider Report for Core Laboratories Inc. /DE/ (CLB)

Role: CAO & Treasurer
Signature: /s/ Mark Tattoli, Attorney-in-Fact
Issuer symbol: CLB
Transactions as of: 01 Oct 2025
Net transactions value: -$1,245
Form type: 4
Filing time: 02 Oct 2025, 17:15:04 UTC
Previous filing: 05 Aug 2025
Next filing: 02 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Teo Sow Hang	CAO & Treasurer	6316 WINDFERN ROAD, HOUSTON	/s/ Mark Tattoli, Attorney-in-Fact	02 Oct 2025	0002017091

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLB	Common Stock	Tax liability	$1,245	-99	-1.2%	$12.58	7,901	01 Oct 2025	Direct
transaction	CLB	Common Stock	Options Exercise	$0	+250	+3.2%	$0.000000	8,000	01 Oct 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CLB	Restricted Shares	Options Exercise	$0	-250	-3.2%	$0.000000	7,554	01 Oct 2025	Common Stock	250		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Restricted Shares vest annually over six years on the anniversary of the grant date in the amount specified in the award agreement, provided the reporting person remains in continuous service on each such vesting date.
F2	Multiple restricted share grants are included in this total.