KLAC - CIK 0000319201
KLA CORP has filed 1,001 documents with the SEC between 2016 and 2026. The most frequent type is insider trade (642 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider sale notice | 144 | 2026-05-12 | - |
| Insider trade | 4 | 2026-05-12 | 2026-05-12 |
| Insider trade | 4 | 2026-05-12 | 2026-05-11 |
| Insider trade | 4 | 2026-05-12 | 2026-05-11 |
| Insider sale notice | 144 | 2026-05-11 | - |
| Major company event | 8-K | 2026-05-07 | 2026-05-07 |
| SCHEDULE 13G | - | 2026-04-30 | - |
| Quarterly report | 10-Q | 2026-04-30 | 2026-03-31 |
| Major company event | 8-K | 2026-04-29 | 2026-04-29 |
| SCHEDULE 13G/A | - | 2026-03-27 | - |
| Major company event | 8-K | 2026-03-12 | 2026-03-11 |
| Insider trade | 4 | 2026-02-06 | 2026-02-05 |
| Major company event | 8-K | 2026-02-05 | 2026-02-05 |
| Quarterly report | 10-Q | 2026-01-30 | 2025-12-31 |
| Major company event | 8-K | 2026-01-29 | 2026-01-29 |
| Insider trade | 4 | 2025-12-18 | 2025-12-16 |
| Insider sale notice | 144 | 2025-12-16 | - |
| Insider trade | 4 | 2025-11-14 | 2025-11-12 |
| Insider trade | 4 | 2025-11-13 | 2025-11-11 |
| Insider sale notice | 144 | 2025-11-12 | - |
| Major company event | 8-K | 2025-11-07 | 2025-11-05 |
| Insider trade | 4 | 2025-11-07 | 2025-11-05 |
| Insider trade | 4 | 2025-11-07 | 2025-11-05 |
| Employee stock plan | S-8 | 2025-11-07 | - |
| Insider trade | 4 | 2025-11-07 | 2025-11-05 |
| Insider trade | 4 | 2025-11-07 | 2025-11-05 |
| New insider ownership | 3 | 2025-11-07 | 2025-11-05 |
| Insider trade | 4 | 2025-11-07 | 2025-11-05 |
| Insider trade | 4 | 2025-11-07 | 2025-11-05 |
| Insider trade | 4 | 2025-11-07 | 2025-11-05 |
| Insider trade | 4 | 2025-11-07 | 2025-11-05 |
| Insider trade | 4 | 2025-11-07 | 2025-11-05 |
| New insider ownership | 3 | 2025-11-07 | 2025-11-05 |
| Quarterly report | 10-Q | 2025-10-31 | 2025-09-30 |
| Major company event | 8-K | 2025-10-29 | 2025-10-29 |
| Annual report to shareholders | ARS | 2025-09-23 | 2025-06-30 |
| Proxy materials | DEFA14A | 2025-09-23 | - |
| Proxy statement | DEF 14A | 2025-09-23 | 2025-11-05 |
| Insider trade | 4 | 2025-09-09 | 2025-09-05 |
| Insider sale notice | 144 | 2025-09-05 | - |
| Insider trade | 4 | 2025-09-02 | 2025-08-29 |
| Insider sale notice | 144 | 2025-08-29 | - |
| Insider trade | 4 | 2025-08-22 | 2025-08-20 |
| Insider sale notice | 144 | 2025-08-20 | - |
| Insider trade | 4 | 2025-08-14 | 2025-08-12 |
| Insider trade | 4 | 2025-08-14 | 2025-08-12 |
| Insider sale notice | 144 | 2025-08-12 | - |
| Insider sale notice | 144 | 2025-08-12 | - |
| Insider trade | 4 | 2025-08-12 | 2025-08-08 |
| Insider trade | 4 | 2025-08-12 | 2025-08-08 |