(CLB)

Reporting relationship: CAO & Treasurer
Issuer ticker: CLB
Reported as of: 01 Dec 2025
Net transaction value: -$5,233
SEC form: 4
Accepted by SEC: 02 Dec 2025, 19:35:08 UTC
Prior SEC filing: 02 Oct 2025
Next SEC filing: 17 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Mark Tattoli, Attorney-in-Fact

Key filing fact

Sow Hang Teo filed Form 4 for Core Laboratories Inc. /DE/ (CLB) on 02 Dec 2025.

Key facts

This page summarizes Sow Hang Teo's Form 4 filing for Core Laboratories Inc. /DE/ (CLB).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 02 Dec 2025, 19:35.

Change

Previous filing in this sequence was filed on 02 Oct 2025.
Current net transaction value: -$5,233.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002017091 Primary reporting owner

Teo Sow Hang

Relationship: CAO & Treasurer
Address: 6316 WINDFERN ROAD, HOUSTON
Signature: /s/ Mark Tattoli, Attorney-in-Fact
Signature date: 02 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CLB transaction

Common Stock

Tax liability

Transaction value: $5,233
Shares: -340
Change %: -3.9%
Price: $15.39
Shares after: 8,425
Date: 01 Dec 2025
Ownership: Direct

CLB transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +864
Change %: +11%
Price: $0.000000
Shares after: 8,765
Date: 01 Dec 2025
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CLB transaction Derivative

Restricted Shares

Options Exercise

Transaction value: $0
Shares: -864
Change %: -11%
Price: $0.000000
Shares after: 6,690
Date: 01 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 864
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote 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.

Footnote F2

Multiple restricted share grants are included in this total.