Core Laboratories Inc.
CLB- Exchange
- NYSE
- Industry
- Oil & Gas Field Services, NEC
- SEC CIK
- 0001958086
In the last 90 days, Core Laboratories Inc. insiders filed 1 open-market purchase and 0 sales; 186 institutions reported holding it in 13F filings for Q2 2026, worth $612.8M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Core Laboratories Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $53.9K in total
- Open-market sells
- 0 filings
- Insiders trading
- 1
- Net value
- +$53.9K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Core Laboratories Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Bruno Lawrence | Chairman and CEO | 262,438 | Aug 4, 2026 | 3 |
| Teo Sow Hang | CAO & Treasurer | 8,625 | Aug 4, 2026 | 4 |
| Tattoli Mark Damian | SVP, Gen Counsel & Secretary | 27,764 | Aug 4, 2026 | 5 |
| Murray Katherine | Director | 29,290 | Apr 8, 2026 | 1 |
| Anastasio Curt | Director | 23,805 | Apr 7, 2026 | 1 |
| Martinovich Robert F | Director | 8,069 | Apr 7, 2026 | 1 |
| Carnes Martha Z. | Director | 54,397 | Apr 7, 2026 | 1 |
| Klingensmith Harvey Robert | Director | 50,031 | Apr 7, 2026 | 1 |
| Temeng Kwaku | Director | 33,597 | Apr 7, 2026 | 1 |
| Hill Christopher Scott | SVP & CFO | 142,354 | Feb 17, 2026 | 2 |
| Schreffler Gwendolyn | SVP | 52,527 | Feb 17, 2026 | 2 |
| Straughen Michael | Director | 29,186 | Apr 2, 2025 | 0 |
| Daniels Kevin | CAO & Treasurer | 13,115 | Feb 15, 2024 | 0 |
| van Dijken Eeuwijk Monique | Director | 17,118 | Apr 3, 2023 | 0 |
| Barnett Gregory Barry | Director | 33,907 | Apr 4, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 4, 2026 (view filing)10:40 AM ET | Jul 31 | 4 days | Bruno LawrenceChairman and CEO | PPurchase | +5.00K | $10.78 | +$53.9K | +1.9%262.4K after |