Core Laboratories Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Core Laboratories Inc.
- Former names
- Core Laboratories Luxembourg S.A.
- Ownership
- Public
- Status
- Active
- SIC code
- 1389 — Oil & Gas Field Services, NEC
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Houston
- Headquarters state / province
- Texas
- Headquarters country
- Netherlands
- Fiscal year end
- December
- Ticker symbol
- CLB
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0001958086
Board of directors
-
Curt Anastasio · DirectorSince 2023
-
Harvey Robert Klingensmith · DirectorSince 2024
-
Katherine Murray · DirectorSince 2024
-
Kwaku Temeng · DirectorSince 2024
-
Lawrence Bruno · Director · Chairman and CEOSince 2024
-
Martha Z. Carnes · DirectorSince 2024
-
Michael Straughen · DirectorSince 2024
-
Robert F. Martinovich · DirectorSince 2025
Chief executives
Lawrence Bruno
· Chairman and CEO
Dates unknown
Director election results
Annual meeting of May 12, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
90.5%
-
99.1%
Board connections
3 of this board's directors also sit on 5 other boards.
- via Martha Z. Carnes
- via Curt Anastasio
- via Martha Z. Carnes
- via Curt Anastasio
- via Katherine Murray
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $53,900
- 1 purchase by 1 insider
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 1, 2026 | Tattoli Mark Damian Officer (SVP, Gen Counsel & Secretary) | Shares withheld for tax | −99 | $10.64 | $1,053 |
| Aug 1, 2026 | Teo Sow Hang Officer (CAO & Treasurer) | Shares withheld for tax | −108 | $10.64 | $1,149 |
| Aug 1, 2026 | Tattoli Mark Damian Officer (SVP, Gen Counsel & Secretary) | Option exercise | +250 | — | — |
| Aug 1, 2026 | Teo Sow Hang Officer (CAO & Treasurer) | Option exercise | +240 | — | — |
| Aug 1, 2026 | Teo Sow Hang Officer (CAO & Treasurer) | Shares withheld for tax | −90 | $10.64 | $958 |
| Aug 1, 2026 | Teo Sow Hang Officer (CAO & Treasurer) | Option exercise | +200 | — | — |
| Jul 31, 2026 | Lawrence Bruno Director, Officer (Chairman and CEO) | Open-market purchase | +5,000 | $10.78 | $53,900 |
| May 1, 2026 | Tattoli Mark Damian Officer (SVP, Gen Counsel & Secretary) | Shares withheld for tax | −97 | $14.07 | $1,365 |
| May 1, 2026 | Tattoli Mark Damian Officer (SVP, Gen Counsel & Secretary) | Option exercise | +250 | — | — |
| Apr 1, 2026 | Katherine Murray Director | Option exercise | +8,069 | — | — |
| Apr 1, 2026 | Curt Anastasio Director | Option exercise | +8,069 | — | — |
| Apr 1, 2026 | Harvey Robert Klingensmith Director | Option exercise | +8,069 | — | — |
| Apr 1, 2026 | Kwaku Temeng Director | Option exercise | +8,069 | — | — |
| Apr 1, 2026 | Robert F. Martinovich Director | Option exercise | +8,069 | — | — |
| Apr 1, 2026 | Martha Z. Carnes Director | Option exercise | +8,069 | — | — |
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