There have been 50 recent insider transactions recorded for Core Laboratories N.V. (CLB), including 10 buys and 39 sells. Total insider buying was valued at RSU Award and total insider selling at $954.61K.
Notable insiders with recent activity include Anastasio Curt, Martinovich Robert F, Carnes Martha Z.. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — CLB
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-01 |
Anastasio Curt |
Director |
Option Exercise (Sell) |
8,069 |
- |
- |
- |
| 2026-04-01 |
Martinovich Robert F |
Director |
Option Exercise (Sell) |
8,069 |
- |
- |
- |
| 2026-04-01 |
Carnes Martha Z. |
Director |
Option Exercise (Sell) |
8,069 |
- |
- |
- |
| 2026-04-01 |
Klingensmith Harvey Robert |
Director |
Option Exercise (Sell) |
8,069 |
- |
- |
- |
| 2026-04-01 |
Temeng Kwaku |
Director |
Option Exercise (Sell) |
8,069 |
- |
- |
- |
| 2026-02-12 |
Hill Christopher Scott |
SVP & CFO |
RSU Award |
70,008 |
- |
- |
70,008 |
| 2026-02-12 |
Bruno Lawrence |
Chairman and CEO |
RSU Award |
204,340 |
- |
- |
204,340 |
| 2026-02-12 |
Gresham Gwendolyn |
SVP |
RSU Award |
33,490 |
- |
- |
33,490 |
| 2026-02-12 |
Tattoli Mark Damian |
SVP, Gen Counsel & Secretary |
RSU Award |
33,490 |
- |
- |
33,490 |
| 2026-02-12 |
Teo Sow Hang |
CAO & Treasurer |
RSU Award |
7,526 |
- |
- |
7,526 |
| 2025-12-31 |
Hill Christopher Scott |
SVP & CFO |
Option Exercise (Sell) |
61,417 |
- |
- |
- |
| 2025-12-31 |
Bruno Lawrence |
Chairman and CEO |
Option Exercise (Sell) |
180,722 |
- |
- |
- |
| 2025-12-31 |
Gresham Gwendolyn |
SVP |
Option Exercise (Sell) |
24,952 |
- |
- |
- |
| 2025-12-31 |
Tattoli Mark Damian |
SVP, Gen Counsel & Secretary |
Option Exercise (Sell) |
24,952 |
- |
- |
- |
| 2025-12-01 |
Teo Sow Hang |
CAO & Treasurer |
Option Exercise (Sell) |
864 |
- |
- |
6,690 |
| 2025-10-01 |
Tattoli Mark Damian |
SVP, Gen Counsel & Secretary |
Option Exercise (Sell) |
700 |
- |
- |
1,450 |
| 2025-10-01 |
Teo Sow Hang |
CAO & Treasurer |
Option Exercise (Sell) |
250 |
- |
- |
7,554 |
| 2025-08-01 |
Tattoli Mark Damian |
SVP, Gen Counsel & Secretary |
Option Exercise (Sell) |
250 |
- |
- |
2,150 |
| 2025-08-01 |
Teo Sow Hang |
CAO & Treasurer |
Tax Withholding of RSU |
108 |
$10.53 |
$1.14K |
7,640 |
| 2025-05-21 |
Martinovich Robert F |
Director |
Unknown |
8,069 |
- |
- |
- |
| 2025-05-01 |
Tattoli Mark Damian |
SVP, Gen Counsel & Secretary |
Option Exercise (Sell) |
250 |
- |
- |
2,400 |
| 2025-05-01 |
Teo Sow Hang |
CAO & Treasurer |
Tax Withholding of RSU |
79 |
$11.68 |
$922.72 |
7,508 |
| 2025-04-01 |
Anastasio Curt |
Director |
Option Exercise (Sell) |
9,317 |
- |
- |
- |
| 2025-04-01 |
Straughen Michael |
Director |
Option Exercise (Sell) |
9,317 |
- |
- |
- |
| 2025-04-01 |
Carnes Martha Z. |
Director |
Option Exercise (Sell) |
9,317 |
- |
- |
- |
| 2025-04-01 |
Klingensmith Harvey Robert |
Director |
Option Exercise (Sell) |
9,317 |
- |
- |
- |
| 2025-04-01 |
Temeng Kwaku |
Director |
Option Exercise (Sell) |
9,317 |
- |
- |
- |
| 2025-04-01 |
Murray Katherine |
Director |
Option Exercise (Sell) |
9,317 |
- |
- |
- |
| 2025-02-13 |
Hill Christopher Scott |
SVP & CFO |
RSU Award |
68,800 |
- |
- |
68,800 |
| 2025-02-13 |
Bruno Lawrence |
Chairman and CEO |
RSU Award |
202,764 |
- |
- |
202,764 |
| 2025-02-13 |
Gresham Gwendolyn |
SVP |
RSU Award |
32,912 |
- |
- |
32,912 |
| 2025-02-13 |
Tattoli Mark Damian |
SVP, Gen Counsel & Secretary |
RSU Award |
32,912 |
- |
- |
32,912 |
| 2025-02-13 |
Teo Sow Hang |
CAO & Treasurer |
RSU Award |
7,692 |
- |
- |
7,692 |
| 2024-12-31 |
Hill Christopher Scott |
SVP & CFO |
Option Exercise (Sell) |
23,607 |
- |
- |
- |
| 2024-12-31 |
Bruno Lawrence |
Chairman and CEO |
Option Exercise (Sell) |
69,574 |
- |
- |
- |
| 2024-12-31 |
Gresham Gwendolyn |
SVP |
Option Exercise (Sell) |
9,604 |
- |
- |
- |
| 2024-12-31 |
Tattoli Mark Damian |
SVP, Gen Counsel & Secretary |
Option Exercise (Sell) |
9,604 |
- |
- |
- |
| 2024-12-01 |
Teo Sow Hang |
CAO & Treasurer |
Tax Withholding of RSU |
227 |
$20.42 |
$4.64K |
7,412 |
| 2024-10-01 |
Tattoli Mark Damian |
SVP, Gen Counsel & Secretary |
Option Exercise (Sell) |
700 |
- |
- |
2,850 |
| 2024-10-01 |
Teo Sow Hang |
CAO & Treasurer |
Tax Withholding of RSU |
99 |
$19.21 |
$1.9K |
7,063 |
| 2023-12-31 |
Hill Christopher Scott |
SVP & CFO |
Option Exercise (Sell) |
36,072 |
- |
- |
- |
| 2023-12-31 |
Bruno Lawrence |
Chairman and CEO |
Option Exercise (Sell) |
100,058 |
- |
- |
- |
| 2023-12-31 |
Hill Christopher Scott |
SVP & CFO |
Tax Withholding of RSU |
14,195 |
$17.66 |
$250.68K |
72,049 |
| 2023-12-31 |
Bruno Lawrence |
Chairman and CEO |
Tax Withholding of RSU |
39,373 |
$17.66 |
$695.33K |
163,203 |
| 2023-06-28 |
Anastasio Curt |
Director |
Disposition |
6,419 |
- |
- |
- |
| 2023-04-01 |
Straughen Michael |
Director |
Option Exercise (Sell) |
5,485 |
- |
- |
- |
| 2023-04-01 |
Carnes Martha Z. |
Director |
Option Exercise (Sell) |
5,485 |
- |
- |
- |
| 2023-04-01 |
Klingensmith Harvey Robert |
Director |
Option Exercise (Sell) |
5,485 |
- |
- |
- |
| 2023-04-01 |
Van Dijken Eeuwijk Monique |
Director |
Option Exercise (Sell) |
5,485 |
- |
- |
5,485 |
| 2023-04-01 |
Temeng Kwaku |
Director |
Option Exercise (Sell) |
5,485 |
- |
- |
- |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
