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 |
|---|---|---|---|
| 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 |
| 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 |
| 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 | — |
| 4 | Insider transaction | Jun 11, 2026 | Jun 11, 2026 |
| 144 | Notice of proposed sale | Jun 11, 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 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 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 | — |
| 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 |
| 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 |
| 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 | — |
| 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 | — |
| 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 | — |
| 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 |
| 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 |
| 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 |
| 4 | Insider transaction | Mar 27, 2025 | Mar 25, 2025 |
| 144 | Notice of proposed sale | Mar 25, 2025 | — |
| 4 | Insider transaction | Feb 13, 2025 | Feb 11, 2025 |
| 4 | Insider transaction | Nov 14, 2024 | Nov 12, 2024 |
| 144 | Notice of proposed sale | Nov 12, 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 |
| 144 | Notice of proposed sale | Oct 15, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 4, 2024 | — |
| 144 | Notice of proposed sale | Sep 5, 2024 | — |
| 4 | Insider transaction | Aug 21, 2024 | Aug 19, 2024 |
| 144 | Notice of proposed sale | Aug 19, 2024 | — |
| 4 | Insider transaction | Aug 9, 2024 | Aug 7, 2024 |
| 4 | Insider transaction | Aug 9, 2024 | Aug 7, 2024 |
| 4 | Insider transaction | Aug 8, 2024 | Aug 6, 2024 |
| 4 | Insider transaction | Aug 8, 2024 | Aug 6, 2024 |
| 4 | Insider transaction | Aug 8, 2024 | Aug 6, 2024 |
| 4 | Insider transaction | Aug 8, 2024 | Aug 6, 2024 |
| 4 | Insider transaction | Aug 8, 2024 | Aug 6, 2024 |
| 144 | Notice of proposed sale | Aug 7, 2024 | — |
| 144 | Notice of proposed sale | Aug 7, 2024 | — |
| 4 | Insider transaction | Aug 6, 2024 | Aug 3, 2024 |
| 4 | Insider transaction | Aug 6, 2024 | Aug 3, 2024 |
| 4 | Insider transaction | Aug 6, 2024 | Aug 3, 2024 |
| 4 | Insider transaction | Aug 6, 2024 | Aug 3, 2024 |
| 4 | Insider transaction | Aug 6, 2024 | Aug 3, 2024 |
| 4 | Insider transaction | Aug 6, 2024 | Aug 3, 2024 |
| 144 | Notice of proposed sale | Aug 6, 2024 | — |
| 144 | Notice of proposed sale | Aug 6, 2024 | — |
| 144 | Notice of proposed sale | Aug 6, 2024 | — |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 144 | Notice of proposed sale | Aug 5, 2024 | — |
| 144 | Notice of proposed sale | Aug 5, 2024 | — |
| 144 | Notice of proposed sale | Aug 5, 2024 | — |
| 4 | Insider transaction | Jul 26, 2024 | Jun 28, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 2, 2024 |
| 144 | Notice of proposed sale | Jul 2, 2024 | — |
| 144 | Notice of proposed sale | Jul 2, 2024 | — |
| 4 | Insider transaction | May 24, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 21, 2024 |
| 144 | Notice of proposed sale | May 23, 2024 | — |
| 144 | Notice of proposed sale | May 21, 2024 | — |
| 4 | Insider transaction | May 9, 2024 | May 7, 2024 |
| 4 | Insider transaction | May 8, 2024 | May 6, 2024 |
| 144 | Notice of proposed sale | May 7, 2024 | — |
| 144 | Notice of proposed sale | May 6, 2024 | — |
| 4 | Insider transaction | Apr 15, 2024 | Apr 11, 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.