CLB
Core Laboratories Inc. /DE/
NYSE · Energy · Oil & Gas Equipment & Services · NL
$10.00
+2.25%1
Insider buys (3m)
0
Insider sells (3m)
$53.9K
Net value (3m)
-11.9%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 5, 2026 | Tattoli Mark Damian · officer: SVP, Gen Counsel & Secretary | M-Exempt | 700 | $0.00 |
| Oct 5, 2026 | Teo Sow Hang · officer: CAO & Treasurer | M-Exempt | 250 | $0.00 |
| Oct 5, 2026 | Tattoli Mark Damian · officer: SVP, Gen Counsel & Secretary | F-InKind | 276 | $9.76 |
| Oct 5, 2026 | Teo Sow Hang · officer: CAO & Treasurer | F-InKind | 99 | $9.76 |
| Aug 4, 2026 | Teo Sow Hang · officer: CAO & Treasurer | M-Exempt | 200 | $0.00 |
| Aug 4, 2026 | Teo Sow Hang · officer: CAO & Treasurer | F-InKind | 108 | $11 |
| Aug 4, 2026 | Tattoli Mark Damian · officer: SVP, Gen Counsel & Secretary | M-Exempt | 250 | $0.00 |
| Aug 4, 2026 | Tattoli Mark Damian · officer: SVP, Gen Counsel & Secretary | F-InKind | 99 | $11 |
| Aug 4, 2026 | Bruno Lawrence · director, officer: Chairman and CEO | Purchase | 5,000 | $11 |
| Aug 4, 2026 | Teo Sow Hang · officer: CAO & Treasurer | F-InKind | 90 | $11 |
| Aug 4, 2026 | Teo Sow Hang · officer: CAO & Treasurer | M-Exempt | 240 | $0.00 |
| May 4, 2026 | Tattoli Mark Damian · officer: SVP, Gen Counsel & Secretary | M-Exempt | 250 | $0.00 |
| May 4, 2026 | Tattoli Mark Damian · officer: SVP, Gen Counsel & Secretary | F-InKind | 97 | $14 |
| Apr 8, 2026 | Murray Katherine · director | A-Award | 7,895 | $0.00 |
| Apr 8, 2026 | Murray Katherine · director | M-Exempt | 8,069 | $0.00 |
| Apr 7, 2026 | Temeng Kwaku · director | A-Award | 7,895 | $0.00 |
| Apr 7, 2026 | Temeng Kwaku · director | M-Exempt | 8,069 | $0.00 |
| Apr 7, 2026 | ANASTASIO CURT · director | A-Award | 7,895 | $0.00 |
| Apr 7, 2026 | ANASTASIO CURT · director | M-Exempt | 8,069 | $0.00 |
| Apr 7, 2026 | MARTINOVICH ROBERT F · director | M-Exempt | 8,069 | $0.00 |
| Apr 7, 2026 | Carnes Martha Z. · director | A-Award | 7,895 | $0.00 |
| Apr 7, 2026 | Klingensmith Harvey Robert · director | M-Exempt | 8,069 | $0.00 |
| Apr 7, 2026 | Klingensmith Harvey Robert · director | A-Award | 7,895 | $0.00 |
| Apr 7, 2026 | MARTINOVICH ROBERT F · director | A-Award | 7,895 | $0.00 |
| Apr 7, 2026 | Carnes Martha Z. · director | M-Exempt | 8,069 | $0.00 |
| Feb 17, 2026 | Teo Sow Hang · officer: CAO & Treasurer | A-Award | 7,526 | $0.00 |
| Feb 17, 2026 | Bruno Lawrence · director, officer: Chairman and CEO | A-Award | 204,340 | $0.00 |
| Feb 17, 2026 | Hill Christopher Scott · officer: SVP & CFO | A-Award | 70,008 | $0.00 |
| Feb 17, 2026 | Gresham Gwendolyn · officer: SVP | A-Award | 33,490 | $0.00 |
| Feb 17, 2026 | Tattoli Mark Damian · officer: SVP, Gen Counsel & Secretary | A-Award | 33,490 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 57Increased 118Reduced 131Sold out 35
| Filer | Action | Shares | Filed |
|---|---|---|---|
| ARIEL INVESTMENTS, LLC | Increased | 14,074,945 | Aug 14, 2026 |
| ARIEL INVESTMENTS, LLC | Reduced | 13,170,388 | May 14, 2026 |
| BlackRock, Inc. | Increased | 7,460,118 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 7,208,503 | May 13, 2026 |
| DISCIPLINED GROWTH INVESTORS INC /MN | Reduced | 4,937,115 | May 15, 2026 |
| EARNEST PARTNERS LLC | Reduced | 3,055,996 | May 15, 2026 |
| DISCIPLINED GROWTH INVESTORS INC /MN | Reduced | 3,042,177 | Aug 14, 2026 |
| EARNEST PARTNERS LLC | Reduced | 2,941,004 | Aug 13, 2026 |
| STATE STREET CORP | Increased | 2,176,480 | Sep 22, 2026 |
| STATE STREET CORP | Increased | 2,060,537 | May 15, 2026 |
| CWA Asset Management Group, LLC | Increased | 1,755,085 | Jul 14, 2026 |
| CWA ASSET MANAGEMENT GROUP, LLC | Increased | 1,741,001 | Apr 20, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,619,863 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 1,590,521 | Aug 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1,548,203 | Aug 11, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 5, 2026