Filing Manager
Ariel Investments, Llc
Reporting Manager
Ariel Investments, LLC
Symbol
CLB
Shares outstanding
46.8M shares
Disclosed Ownership
13.8M shares
Ownership
29.4%
Form type
SCHEDULE 13G/A
Date filed
14 Nov 2025, 11:18
Date of event
30 Sep 2025
Previous filing
05 Jun 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Ariel Investments, LLC 29.4% 13.8M 13M 0 James Prescott Vice President, Compliance