🕵️ CORE Laboratories Inc. /DE/ ($CLB)
SEC insider & ownership activity, last 12 months · CIK 1958086 · every row links its SEC filing
Over the last 12 months insiders bought $54K with no open-market selling against it. Bruno Lawrence bought $54K in discretionary trades (Jul). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $54K (1 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Bruno Lawrence | 1 | $54K | 0 | – | Jul 31, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Ariel Investments, LLC | 30.5% | 13G | Aug 14, 2026 | filing ↗ | |
| BlackRock, Inc. | 8.3% | 13G | Aug 6, 2026 | filing ↗ | |
| Earnest Partners LLC | 6.9% | 13G | Feb 12, 2026 | filing ↗ | |
| Disciplined Growth Investors Inc /MN | 6.6% | 13G | Aug 14, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Aug 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 19, 2026 | filing ↗ |
| Earnings (2.02) | Jul 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 29, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 12, 2026 | filing ↗ |
| Earnings (2.02) | Apr 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 23, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Feb 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 27, 2026 | filing ↗ |
| Earnings (2.02) | Feb 4, 2026 | filing ↗ |
| Earnings (2.02) | Feb 4, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 4, 2026 | filing ↗ |
| Earnings (2.02) | Oct 22, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 22, 2025 | filing ↗ |