Reporting Manager
DISCIPLINED GROWTH INVESTORS INC /MN
Symbol
CLB
Shares outstanding
46.9M shares
Disclosed Ownership
5.44M shares
Ownership
11.6%
Form type
SCHEDULE 13G/A
Date filed
8/14/2025, 05:27 PM
Date of event
Jun 30, 2025
Previous filing
May 15, 2025
Next filing
Nov 14, 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
DISCIPLINED GROWTH INVESTORS INC /MN 11.6% 5.44M 4.94M 0 Peter G. Rieke Chief Operating & Compliance Officer