Reporting Manager
DISCIPLINED GROWTH INVESTORS INC /MN
Symbol
CLB
Shares outstanding
46,639,531 shares
Disclosed Ownership
5,969,860 shares
Ownership
13%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 15:42:50 UTC
Date of event
30 Sep 2025
Previous filing
14 Aug 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
DISCIPLINED GROWTH INVESTORS INC /MN 13% 5,969,860 5,471,242 0 Peter G. Rieke Chief Operating & Compliance Officer