DISCIPLINED GROWTH INVESTORS INC /MN 13D and 13G filings for Core Laboratories N.V.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-15 4:10 pm Sale | 2026-03-31 | 13G | CORE LABORATORIES INC CLB | DISCIPLINED GROWTH INVESTORS INC /MN | 4,937,115 10.700% | -229,799 (-4.45%) | Filing |
| 2026-02-17 4:26 pm Sale | 2025-12-31 | 13G | CORE LABORATORIES INC CLB | DISCIPLINED GROWTH INVESTORS INC /MN | 5,166,914 11.100% | -802,946 (-13.45%) | Filing |
| 2025-11-14 3:42 pm Purchase | 2025-09-30 | 13G | CORE LABORATORIES INC CLB | DISCIPLINED GROWTH INVESTORS INC /MN | 5,969,860 12.800% | 528,976 (+9.72%) | Filing |
| 2025-08-14 5:27 pm Sale | 2025-06-30 | 13G | CORE LABORATORIES INC CLB | DISCIPLINED GROWTH INVESTORS INC /MN | 5,440,884 11.600% | -50,838 (-0.93%) | Filing |
| 2025-05-15 4:10 pm Sale | 2025-03-31 | 13G | CORE LABORATORIES INC CLB | DISCIPLINED GROWTH INVESTORS INC /MN | 5,491,722 11.700% | -11,929 (-0.22%) | Filing |
| 2025-02-14 2:44 pm Sale | 2024-12-31 | 13G | CORE LABORATORIES INC CLB | DISCIPLINED GROWTH INVESTORS INC /MN | 5,503,651 11.700% | -149,940 (-2.65%) | Filing |
| 2024-11-14 5:01 pm Purchase | 2024-09-30 | 13G | CORE LABORATORIES INC CLB | DISCIPLINED GROWTH INVESTORS INC /MN | 5,653,591 12.000% | 5,653,591 (New Position) | Filing |