Kla Corp SEC filings KLAC
Kla Corp has 1,000 filings in SEC EDGAR's recent list, going back to May 26, 2017. Its latest annual report, Form ARS, was filed on Sep 22, 2026 for the period ended Jun 30, 2026. The latest quarterly report (Form 10-Q) was filed on Oct 29, 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). The company's fiscal year ends on June 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 29, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2026 | Oct 28, 2026 |
| ARS | Annual report to shareholders | Sep 22, 2026 | Jun 30, 2026 |
| DEFA14A | Additional proxy material | Sep 22, 2026 | — |
| DEF 14A | Proxy statement | Sep 22, 2026 | Nov 4, 2026 |
| 4 | Insider transaction | Sep 16, 2026 | Sep 15, 2026 |
| 144 | Notice of proposed sale | Sep 15, 2026 | — |
| 4 | Insider transaction | Aug 14, 2026 | Aug 13, 2026 |
| 4 | Insider transaction | Aug 13, 2026 | Aug 12, 2026 |
| 144 | Notice of proposed sale | Aug 13, 2026 | — |
| 4 | Insider transaction | Aug 12, 2026 | Aug 11, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 11, 2026 |
| 144 | Notice of proposed sale | Aug 12, 2026 | — |
| 4 | Insider transaction | Aug 11, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 11, 2026 | Aug 10, 2026 |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 144 | Notice of proposed sale | Aug 10, 2026 | — |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 144 | Notice of proposed sale | Aug 10, 2026 | — |
| 144 | Notice of proposed sale | Aug 7, 2026 | — |
| 144 | Notice of proposed sale | Aug 7, 2026 | — |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 6, 2026 |
| 10-K | Annual report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Other events
|
Aug 6, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Aug 5, 2026 | Aug 5, 2026 |
| 4 | Insider transaction | Aug 5, 2026 | Aug 5, 2026 |
| 144 | Notice of proposed sale | Aug 5, 2026 | — |
| 144 | Notice of proposed sale | Aug 5, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 144 | Notice of proposed sale | Aug 4, 2026 | — |
| 144 | Notice of proposed sale | Aug 4, 2026 | — |
| 4 | Insider transaction | Aug 3, 2026 | Aug 1, 2026 |
| 4 | Insider transaction | Aug 3, 2026 | Aug 1, 2026 |
| 4 | Insider transaction | Aug 3, 2026 | Aug 1, 2026 |
| 4 | Insider transaction | Aug 3, 2026 | Aug 1, 2026 |
| 4 | Insider transaction | Aug 3, 2026 | Aug 1, 2026 |
| 4 | Insider transaction | Aug 3, 2026 | Aug 1, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 2, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 2, 2026 |
| 144/A | Filing | Jul 2, 2026 | — |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jun 12, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 11, 2026 |
| 144 | Notice of proposed sale | Jun 11, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 26, 2026 | — |
| 4 | Insider transaction | May 12, 2026 | May 12, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 11, 2026 |
| 144 | Notice of proposed sale | May 12, 2026 | — |
| 144 | Notice of proposed sale | May 11, 2026 | — |
| 8-K |
Current report
Other events
|
May 7, 2026 | May 7, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| 10-Q | Quarterly report | Apr 30, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2026 | Apr 29, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 12, 2026 | Mar 11, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 8-K |
Current report
Other events
|
Feb 5, 2026 | Feb 5, 2026 |
| 10-Q | Quarterly report | Jan 30, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 29, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Dec 18, 2025 | Dec 16, 2025 |
| 144 | Notice of proposed sale | Dec 16, 2025 | — |
| 4 | Insider transaction | Nov 14, 2025 | Nov 12, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 144 | Notice of proposed sale | Nov 12, 2025 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results, Other events
|
Nov 7, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| S-8 | Employee stock plan registration | Nov 7, 2025 | — |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| 3 | Initial insider ownership | Nov 7, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| 3 | Initial insider ownership | Nov 7, 2025 | Nov 5, 2025 |
| 10-Q | Quarterly report | Oct 31, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2025 | Oct 29, 2025 |
| ARS | Annual report to shareholders | Sep 23, 2025 | Jun 30, 2025 |
| DEFA14A | Additional proxy material | Sep 23, 2025 | — |
| DEF 14A | Proxy statement | Sep 23, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Sep 9, 2025 | Sep 5, 2025 |
| 144 | Notice of proposed sale | Sep 5, 2025 | — |
| 4 | Insider transaction | Sep 2, 2025 | Aug 29, 2025 |
| 144 | Notice of proposed sale | Aug 29, 2025 | — |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 144 | Notice of proposed sale | Aug 20, 2025 | — |
| 4 | Insider transaction | Aug 14, 2025 | Aug 12, 2025 |
| 4 | Insider transaction | Aug 14, 2025 | Aug 12, 2025 |
| 4 | Insider transaction | Aug 12, 2025 | Aug 8, 2025 |
| 4 | Insider transaction | Aug 12, 2025 | Aug 8, 2025 |
| 144 | Notice of proposed sale | Aug 12, 2025 | — |
| 144 | Notice of proposed sale | Aug 12, 2025 | — |
| 10-K | Annual report | Aug 8, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Aug 8, 2025 | Aug 7, 2025 |
| 4 | Insider transaction | Aug 8, 2025 | Aug 7, 2025 |
| 4 | Insider transaction | Aug 8, 2025 | Aug 7, 2025 |
| 4 | Insider transaction | Aug 8, 2025 | Aug 7, 2025 |
| 4 | Insider transaction | Aug 8, 2025 | Aug 7, 2025 |
| 4 | Insider transaction | Aug 8, 2025 | Aug 7, 2025 |
| 144 | Notice of proposed sale | Aug 8, 2025 | — |
| 144 | Notice of proposed sale | Aug 8, 2025 | — |
| 8-K |
Current report
Officer or director change, Other events
|
Aug 7, 2025 | Aug 7, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 3, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 3, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 3, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 3, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 3, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 3, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 144 | Notice of proposed sale | Aug 5, 2025 | — |
| 144 | Notice of proposed sale | Aug 5, 2025 | — |
| 144 | Notice of proposed sale | Aug 4, 2025 | — |
| 144 | Notice of proposed sale | Aug 4, 2025 | — |
| 8-K |
Current report
Results of operations
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Jul 8, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 2, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 144 | Notice of proposed sale | Jul 2, 2025 | — |
| 144 | Notice of proposed sale | Jun 30, 2025 | — |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 23, 2025 | — |
| 144 | Notice of proposed sale | May 22, 2025 | — |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 3 | Initial insider ownership | May 12, 2025 | May 8, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
May 8, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 8, 2025 | May 6, 2025 |
| 144 | Notice of proposed sale | May 6, 2025 | — |
| 4 | Insider transaction | May 2, 2025 | Apr 30, 2025 |
| 3 | Initial insider ownership | May 2, 2025 | Apr 30, 2025 |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Officer or director change
|
May 1, 2025 | Apr 30, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 30, 2025 | Apr 30, 2025 |
| 4 | Insider transaction | Mar 27, 2025 | Mar 25, 2025 |
| 144 | Notice of proposed sale | Mar 25, 2025 | — |
| 8-K |
Current report
Other events
|
Feb 13, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 11, 2025 |
| 10-Q | Quarterly report | Jan 31, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2025 | Jan 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 3, 2024 | Dec 2, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 15, 2024 | Nov 15, 2024 |
| 4 | Insider transaction | Nov 14, 2024 | Nov 12, 2024 |
| 144 | Notice of proposed sale | Nov 12, 2024 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
Nov 8, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 6, 2024 |
| S-8 | Employee stock plan registration | Nov 7, 2024 | — |
| 10-Q | Quarterly report | Oct 31, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2024 | Oct 30, 2024 |
| 144 | Notice of proposed sale | Oct 15, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 4, 2024 | — |
| ARS | Annual report to shareholders | Sep 24, 2024 | Jun 30, 2024 |
| DEFA14A | Additional proxy material | Sep 24, 2024 | — |
Showing 200 filings, the most recent 200. 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
- Optical Instruments & Lenses (SIC 3827)
- Listed as
- KLAC (Nasdaq)
- Fiscal year ends
- June 30
- Incorporated in
- DE
- Headquarters
- Milpitas, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 319201
- Former names
- KLA TENCOR CORP (until Jul 3, 2019); KLA INSTRUMENTS CORP (until Feb 11, 1997)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.