Mark D. Tattoli - 01 Dec 2023 Form 4 Insider Report for Core Laboratories Inc. /DE/ (CLB)

Role: SVP, Gen Counsel & Secretary
Signature: /s/ Mark D. Tattoli
Issuer symbol: CLB
Transactions as of: 01 Dec 2023
Net transactions value: -$1,120
Form type: 4
Filing time: 04 Dec 2023, 16:54:30 UTC
Previous filing: 03 Oct 2023
Next filing: 03 Jan 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLB	Common Stock	Tax liability	$1,120	-62	-0.99%	$18.07	6,193	01 Dec 2023	Direct
transaction	CLB	Common Stock	Options Exercise	$0	+160	+2.6%	$0.000000	6,255	01 Dec 2023	Direct
holding	CLB	Common Stock						20	01 Dec 2023	Custodial account
holding	CLB	Common Stock						1,695	01 Dec 2023	401 (k) Plan

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	-160	-3.5%	$0.000000	4,370	01 Dec 2023	Common Stock	160		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 of 1/6th of the grant total, provided the reporting person remains in continuous service on each such vesting date.
F2	Multiple restricted share grants are included in this total.