Core Laboratories Inc. /DE/ SEC filings CLB
Core Laboratories Inc. /DE/ has 186 filings in SEC EDGAR's recent list, going back to Jan 17, 2023. Its latest annual report, Form ARS, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 30, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 28, 2026 | Oct 28, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 25, 2026 | Aug 19, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 1, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 1, 2026 |
| 10-Q | Quarterly report | Jul 30, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 29, 2026 | Jul 29, 2026 |
| 11-K | Employee savings plan report | Jun 29, 2026 | Dec 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 15, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 13, 2026 | May 12, 2026 |
| 4 | Insider transaction | May 4, 2026 | May 1, 2026 |
| 10-Q | Quarterly report | May 1, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 29, 2026 | Apr 29, 2026 |
| 4 | Insider transaction | Apr 8, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 1, 2026 |
| ARS | Annual report to shareholders | Mar 31, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 31, 2026 | — |
| DEF 14A | Proxy statement | Mar 31, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 23, 2026 | Mar 23, 2026 |
| 10-K | Annual report | Mar 23, 2026 | Dec 31, 2025 |
| 8-K/A |
Amended current report
Results of operations
|
Mar 17, 2026 | Feb 4, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Mar 5, 2026 | Feb 27, 2026 |
| NT 10-K | Filing | Mar 3, 2026 | Dec 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 4 | Insider transaction | Feb 17, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 12, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2026 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 4, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Dec 1, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2025 | — |
| 10-Q | Quarterly report | Oct 23, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 22, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Oct 1, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2025 | — |
| 10-Q | Quarterly report | Jul 25, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Material agreement, Results of operations, New debt, Regulation FD disclosure
|
Jul 23, 2025 | Jul 22, 2025 |
| 11-K | Employee savings plan report | Jun 27, 2025 | Dec 31, 2024 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jun 5, 2025 | — |
| 3 | Initial insider ownership | May 30, 2025 | May 21, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 27, 2025 | May 21, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 19, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 29, 2025 | — |
| 10-Q | Quarterly report | Apr 28, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 23, 2025 | Apr 23, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 2025 |
| ARS | Annual report to shareholders | Apr 1, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 31, 2025 | — |
| DEF 14A | Proxy statement | Mar 31, 2025 | Mar 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 13, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 13, 2025 |
| 10-K | Annual report | Feb 13, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 29, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Dec 2, 2024 | Dec 1, 2024 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| 10-Q | Quarterly report | Oct 24, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 23, 2024 | Oct 23, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 10-Q | Quarterly report | Jul 25, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 24, 2024 | Jul 24, 2024 |
| 11-K | Employee savings plan report | Jun 28, 2024 | Dec 31, 2023 |
| S-8 | Employee stock plan registration | May 24, 2024 | — |
| SD | Specialized disclosure (conflict minerals) | May 16, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
May 10, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 2, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 2, 2024 | May 1, 2024 |
| 10-Q | Quarterly report | Apr 25, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 24, 2024 | Apr 24, 2024 |
| 4 | Insider transaction | Apr 11, 2024 | Apr 9, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| ARS | Annual report to shareholders | Mar 27, 2024 | Dec 31, 2023 |
| 3 | Initial insider ownership | Mar 27, 2024 | Mar 21, 2024 |
| 8-K |
Current report
Officer or director change
|
Mar 25, 2024 | Mar 21, 2024 |
| DEFA14A | Additional proxy material | Mar 19, 2024 | — |
| DEF 14A | Proxy statement | Mar 19, 2024 | Mar 18, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 10-K | Annual report | Feb 15, 2024 | Dec 31, 2023 |
| 8-K/A |
Amended current report
Results of operations
|
Feb 15, 2024 | Jan 31, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 31, 2024 | Jan 31, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 22, 2024 | — |
| 4/A | Filing | Jan 8, 2024 | Dec 31, 2023 |
| 4/A | Filing | Jan 8, 2024 | Dec 31, 2023 |
| 4/A | Filing | Jan 8, 2024 | Dec 31, 2023 |
| 4/A | Filing | Jan 8, 2024 | Dec 31, 2023 |
| 4/A | Filing | Jan 8, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Dec 4, 2023 | Dec 1, 2023 |
| 4 | Insider transaction | Dec 4, 2023 | Dec 1, 2023 |
| 10-Q | Quarterly report | Nov 2, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 1, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Oct 3, 2023 | Oct 1, 2023 |
| 4 | Insider transaction | Aug 2, 2023 | Aug 1, 2023 |
| 10-Q | Quarterly report | Jul 27, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 26, 2023 | Jul 26, 2023 |
| 8-K |
Current report
Agreement ended
|
Jul 18, 2023 | Jul 17, 2023 |
| 3 | Initial insider ownership | Jul 7, 2023 | Jun 28, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jul 3, 2023 | Jun 28, 2023 |
| 11-K | Employee savings plan report | Jun 30, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Jun 16, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Jun 9, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Jun 8, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2023 | — |
| ARS | Annual report to shareholders | May 9, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
May 5, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| S-8 POS | Filing | May 2, 2023 | — |
| S-8 POS | Filing | May 2, 2023 | — |
| S-8 POS | Filing | May 2, 2023 | — |
| S-8 POS | Filing | May 2, 2023 | — |
| S-8 POS | Filing | May 2, 2023 | — |
| S-8 POS | Filing | May 2, 2023 | — |
| S-8 POS | Filing | May 2, 2023 | — |
| S-8 POS | Filing | May 2, 2023 | — |
| S-8 POS | Filing | May 2, 2023 | — |
| S-8 POS | Filing | May 2, 2023 | — |
| 8-K12B | Filing | May 1, 2023 | May 1, 2023 |
| EFFECT | Filing | Feb 28, 2023 | — |
| 424B3 | Prospectus | Feb 28, 2023 | — |
| CORRESP | Letter to the SEC | Feb 28, 2023 | — |
| S-4/A | Form s-4/a | Feb 27, 2023 | — |
| CORRESP | Letter to the SEC | Feb 23, 2023 | — |
| CORRESP | Letter to the SEC | Feb 22, 2023 | — |
| S-4/A | Form s-4/a | Feb 22, 2023 | — |
| UPLOAD | Letter from the SEC | Jan 23, 2023 | — |
| 425 | Filing | Jan 17, 2023 | — |
| S-4 | Registration for a merger or exchange | Jan 17, 2023 | — |
Showing 186 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Oil & Gas Field Services, NEC (SIC 1389)
- Listed as
- CLB (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1958086
- Former names
- Core Laboratories Luxembourg S.A. (until Feb 28, 2023)
Other Oil & Gas Field Services, NEC companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.