KLAC · CIK 0000319201
KLA CORP (KLAC) SEC Filings
Browse 2535 SEC filings for KLA CORP, covering Jan 6, 1994 through Jul 6, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
2,535
Filed in the last 12 months
98
History covered
1994–2026
Latest filing
4
Latest important filings
Jump directly to the most recent annual, quarterly, and current reports.
Latest annual report
10-K
Annual report · Aug 8, 2025
Open original filingLatest quarterly report
10-Q
Quarterly report · Apr 30, 2026
Open original filingLatest company update
8-K
Charter or bylaws amendment · Jun 12, 2026
Open original filingComplete filing history
Search by form or description, filter by purpose and year, and open the original SEC document.
50 filings
All categories
Search by form or description, filter by purpose and year, and open the original SEC document.
| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | Change in insider ownership | Jul 2, 2026 | Jul 6, 2026 |
| 4 | Change in insider ownership | Jul 2, 2026 | Jul 6, 2026 |
| 144/A Amended | Notice of proposed securities sale | — | Jul 2, 2026 |
| 4 | Change in insider ownership | Jun 30, 2026 | Jul 2, 2026 |
| 4 | Change in insider ownership | Jun 30, 2026 | Jul 2, 2026 |
| 4 | Change in insider ownership | Jun 30, 2026 | Jul 2, 2026 |
| 4 | Change in insider ownership | Jun 30, 2026 | Jul 2, 2026 |
| 4 | Change in insider ownership | Jun 30, 2026 | Jul 2, 2026 |
| 144 | Notice of proposed securities sale | — | Jul 2, 2026 |
| 144 | Notice of proposed securities sale | — | Jul 2, 2026 |
| 144 | Notice of proposed securities sale | — | Jul 1, 2026 |
| 8-K | Charter or bylaws amendment | Jun 11, 2026 | Jun 12, 2026 |
| 4 | Change in insider ownership | Jun 11, 2026 | Jun 11, 2026 |
| 144 | Notice of proposed securities sale | — | Jun 11, 2026 |
| SD | Specialized disclosure report | — | May 26, 2026 |
| 4 | Change in insider ownership | May 12, 2026 | May 12, 2026 |
| 4 | Change in insider ownership | May 11, 2026 | May 12, 2026 |
| 4 | Change in insider ownership | May 11, 2026 | May 12, 2026 |
| 144 | Notice of proposed securities sale | — | May 12, 2026 |
| 144 | Notice of proposed securities sale | — | May 11, 2026 |
| 8-K | Other material event | May 7, 2026 | May 7, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 30, 2026 |
| 10-Q | Quarterly report | Mar 31, 2026 | Apr 30, 2026 |
| 8-K | Results of operations | Apr 29, 2026 | Apr 29, 2026 |
| SCHEDULE 13G/A Amended | SCHEDULE 13G filing | — | Mar 27, 2026 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
30 filings
2025
96 filings
2024
93 filings
2023
107 filings
2022
98 filings
2021
89 filings
2020
103 filings
2019
114 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.