Company facts
- Industry
- Optical Instruments & Lenses
- Headquarters
- Milpitas, California
- Most recent report
- 8-K, filed Nov 6, 2026
- Incorporated
- Delaware
- Filings on record
- 1,001+ filings
- On EDGAR
- CIK 319201
- Fiscal year ends
- June
- Filer status
- Large accelerated filer
Financials 8 of 38
News 8 of 110
Prospectuses and Registrations 8 of 28
- S-8 Registration statement for an employee plan Nov 6, 2026
- S-8 Registration statement for an employee plan Nov 7, 2025
- S-8 Registration statement for an employee plan Nov 7, 2024
- 424B5 Prospectus supplement for an offering Feb 1, 2024
- FWP Free writing prospectus Jan 30, 2024
- 424B5 Prospectus supplement for an offering Jan 30, 2024
- S-8 Registration statement for an employee plan Nov 1, 2023
- S-8 Registration statement for an employee plan Feb 3, 2023
Proxies 8 of 26
- DEFA14A Extra proxy material Sep 22, 2026
- DEF 14A Proxy statement for a shareholder vote Sep 22, 2026
- DEFA14A Extra proxy material Sep 23, 2025
- DEF 14A Proxy statement for a shareholder vote Sep 23, 2025
- DEFA14A Extra proxy material Sep 24, 2024
- DEF 14A Proxy statement for a shareholder vote Sep 24, 2024
- DEFA14A Extra proxy material Sep 21, 2023
- DEF 14A Proxy statement for a shareholder vote Sep 21, 2023
Ownership 8 of 766
- 4 Insider reported a trade Nov 5, 2026
- 4 Insider reported a trade Nov 5, 2026
- 4 Insider reported a trade Nov 5, 2026
- 4 Insider reported a trade Nov 5, 2026
- 4 Insider reported a trade Nov 5, 2026
- 4 Insider reported a trade Nov 5, 2026
- 4 Insider reported a trade Nov 5, 2026
- 4 Insider reported a trade Nov 5, 2026
Other 8 of 33
- ARS Annual report sent to shareholders Sep 22, 2026
- SD Conflict minerals disclosure May 26, 2026
- ARS Annual report sent to shareholders Sep 23, 2025
- SD Conflict minerals disclosure May 23, 2025
- ARS Annual report sent to shareholders Sep 24, 2024
- SD Conflict minerals disclosure May 24, 2024
- ARS Annual report sent to shareholders Sep 21, 2023
- SD Conflict minerals disclosure May 23, 2023
What to read: Sep 2026 10-Q
SECSift found 2 of 13 sections worth reading, with 2 positive, 3 notable, and 2 negative flags.
Financial Statements (Item 1)
Financial statements and notes with key balance-sheet swings, segment results, and fine-print commitments.Management's Discussion (Item 2)
MD&A with detailed segment results, cash flows, and capital allocation.Positive
What changed: Sep 2026 vs. Mar 2026
About 10% of KLAC's Sep 2026 10-Q is new information. 34 paragraphs were added, 164 changed, and 121 removed. Below are the most important lines SECSift identified.
Changed
- Remaining repurchase authority fell to $8.81 billion from $10.31 billion in the prior quarter.
- Stock repurchase authorization available fell to $8.81 billion from $10.31 billion as of September 30, 2026 vs March 31, 2026.
- Exhibit 3.1 reference changed from 10-K filed August 16, 2019 to 8-K filed June 12, 2026.
Removed
- Dropped the entire risk factor about U.S. export controls on China, including the 33%, 43%, and 27% revenue figures for fiscal years 2025, 2024, and 2023.
- Dropped the risk factor about U.S. tariffs and trade wars, including the Section 232 investigation and Supreme Court ruling.
- Dropped the risk factor about geopolitical tensions and operations in Israel, including conflicts with Iran, Hezbollah, and Hamas.
- Dropped the risk factor about tax law changes, including the One Big Beautiful Bill Act enacted on July 4, 2025, and the CAMT.
- Dropped the risk factor about the ERP system upgrade, with implementation expected to be completed in the first quarter of fiscal year 2027.
- Exhibit 10.1 (Calendar Year 2026 Executive Incentive Plan) was removed from the filing.
Everything here comes from KLA Corp's own filings on SEC EDGAR. The filing list is rechecked every hour. SECSift analysis was completed on Oct 29, 2026, from the 10-Q for Sep 2026.