SIC: 3827 - OPTICAL INSTRUMENTS & LENSES
State location: CA | State of Inc.: DE | Fiscal Year End: 0630
formerly: KLA INSTRUMENTS CORP (filings through 1997-02-11)
formerly: KLA TENCOR CORP (filings through 2019-07-03)
(CF Office: 08 Industrial Applications and Services)
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| Filings | Format | Description | Filing Date | File/Film Number |
|---|---|---|---|---|
| 8-K | Documents Interactive Data | Current report, items 8.01 and 9.01
Acc-no: 0001193125-25-026159 (34 Act) Size: 190 KB |
2025-02-13 | 000-09992 25621219 |
| 10-Q | Documents Interactive Data | Quarterly report [Sections 13 or 15(d)] Acc-no: 0000319201-25-000006 (34 Act) Size: 13 MB |
2025-01-31 | 000-09992 25578374 |
| 8-K | Documents Interactive Data | Current report, items 2.02 and 9.01
Acc-no: 0000319201-25-000004 (34 Act) Size: 505 KB |
2025-01-30 | 000-09992 25573707 |
| 8-K | Documents Interactive Data | Current report, item 7.01
Acc-no: 0001193125-24-269393 (34 Act) Size: 184 KB |
2024-12-03 | 000-09992 241521044 |
| 8-K | Documents Interactive Data | Current report, item 5.02
Acc-no: 0001193125-24-259842 (34 Act) Size: 180 KB |
2024-11-15 | 000-09992 241468073 |
| 8-K | Documents Interactive Data | Current report, items 5.07, 8.01, and 9.01
Acc-no: 0001193125-24-254154 (34 Act) Size: 214 KB |
2024-11-08 | 000-09992 241440804 |
| S-8 | Documents Interactive Data | Securities to be offered to employees in employee benefit plans Acc-no: 0001193125-24-253142 (33 Act) Size: 232 KB |
2024-11-07 | 333-283066 241436008 |
| 10-Q | Documents Interactive Data | Quarterly report [Sections 13 or 15(d)] Acc-no: 0000319201-24-000027 (34 Act) Size: 12 MB |
2024-10-31 | 000-09992 241415197 |
| 8-K | Documents Interactive Data | Current report, items 2.02 and 9.01
Acc-no: 0000319201-24-000024 (34 Act) Size: 451 KB |
2024-10-30 | 000-09992 241410311 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000932471-24-000184 (34 Act) Size: 5 KB |
2024-10-04 | 005-33189 241354482 |
| ARS | Documents | Annual Report to Security Holders Acc-no: 0001193125-24-224805 (34 Act) Size: 1 MB |
2024-09-24 | 000-09992 241320417 |
| DEFA14A | Documents | Additional definitive proxy soliciting materials and Rule 14(a)(12) material Acc-no: 0001193125-24-224800 (34 Act) Size: 99 KB |
2024-09-24 | 000-09992 241320381 |
| DEF 14A | Documents Interactive Data | Other definitive proxy statements Acc-no: 0001193125-24-224794 (34 Act) Size: 13 MB |
2024-09-24 | 000-09992 241320330 |
| 8-K | Documents Interactive Data | Current report, item 5.02
Acc-no: 0001193125-24-222881 (34 Act) Size: 177 KB |
2024-09-20 | 000-09992 241313420 |
| 8-K | Documents Interactive Data | Current report, items 8.01 and 9.01
Acc-no: 0001193125-24-212113 (34 Act) Size: 209 KB |
2024-09-03 | 000-09992 241274526 |
| 10-K | Documents Interactive Data | Annual report [Section 13 and 15(d), not S-K Item 405] Acc-no: 0000319201-24-000021 (34 Act) Size: 19 MB |
2024-08-05 | 000-09992 241174798 |
| 8-K | Documents Interactive Data | Current report, items 8.01 and 9.01
Acc-no: 0001193125-24-191558 (34 Act) Size: 155 KB |
2024-08-01 | 000-09992 241167257 |
| 8-K | Documents Interactive Data | Current report, items 5.02 and 9.01
Acc-no: 0001193125-24-184358 (34 Act) Size: 144 KB |
2024-07-25 | 000-09992 241140151 |
| 8-K | Documents Interactive Data | Current report, items 2.02 and 9.01
Acc-no: 0000319201-24-000018 (34 Act) Size: 506 KB |
2024-07-24 | 000-09992 241138234 |
| SD | Documents | Specialized disclosure report Acc-no: 0000319201-24-000014 (34 Act) Size: 396 KB |
2024-05-24 | 000-09992 24981424 |
| 8-K | Documents Interactive Data | Current report, items 8.01 and 9.01
Acc-no: 0001193125-24-129473 (34 Act) Size: 151 KB |
2024-05-02 | 000-09992 24909590 |
| 10-Q | Documents Interactive Data | Quarterly report [Sections 13 or 15(d)] Acc-no: 0000319201-24-000012 (34 Act) Size: 14 MB |
2024-04-26 | 000-09992 24883564 |
| 8-K | Documents Interactive Data | Current report, items 2.02 and 9.01
Acc-no: 0000319201-24-000009 (34 Act) Size: 515 KB |
2024-04-25 | 000-09992 24876470 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001193125-24-070222 (34 Act) Size: 230 KB |
2024-03-18 | 000-09992 24759903 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-24-021294 (34 Act) Size: 13 KB |
2024-02-13 | 005-33189 24628857 |
| 8-K | Documents Interactive Data | Current report, items 8.01 and 9.01
Acc-no: 0001193125-24-027569 (34 Act) Size: 150 KB |
2024-02-08 | 000-09992 24606885 |
| 8-K | Documents Interactive Data | Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001193125-24-021853 (34 Act) Size: 539 KB |
2024-02-01 | 000-09992 24587038 |
| 424B5 | Documents | Prospectus [Rule 424(b)(5)] Acc-no: 0001193125-24-021192 (33 Act) Size: 670 KB |
2024-02-01 | 333-265497 24584627 |
| FWP | Documents | Filing under Securities Act Rules 163/433 of free writing prospectuses Acc-no: 0001193125-24-019540 (34 Act) Size: 19 KB |
2024-01-30 | 333-265497 24579504 |
| 424B5 | Documents | Prospectus [Rule 424(b)(5)] Acc-no: 0001193125-24-018864 (33 Act) Size: 627 KB |
2024-01-30 | 333-265497 24576048 |
| 10-Q | Documents Interactive Data | Quarterly report [Sections 13 or 15(d)] Acc-no: 0000319201-24-000006 (34 Act) Size: 14 MB |
2024-01-26 | 000-09992 24567841 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001086364-24-003709 (34 Act) Size: 13 KB |
2024-01-25 | 005-33189 24562925 |
| 8-K | Documents Interactive Data | Current report, items 2.02 and 9.01
Acc-no: 0000319201-24-000003 (34 Act) Size: 517 KB |
2024-01-25 | 000-09992 24562210 |
| 8-K | Documents Interactive Data | Current report, items 5.02, 5.07, 8.01, and 9.01
Acc-no: 0001193125-23-270369 (34 Act) Size: 323 KB |
2023-11-03 | 000-09992 231376332 |
| S-8 | Documents | Securities to be offered to employees in employee benefit plans Acc-no: 0001193125-23-268162 (33 Act) Size: 199 KB |
2023-11-01 | 333-275244 231368080 |
| 10-Q | Documents Interactive Data | Quarterly report [Sections 13 or 15(d)] Acc-no: 0000319201-23-000039 (34 Act) Size: 12 MB |
2023-10-27 | 000-09992 231355506 |
| 8-K | Documents Interactive Data | Current report, items 2.02 and 9.01
Acc-no: 0000319201-23-000037 (34 Act) Size: 489 KB |
2023-10-25 | 000-09992 231345876 |
| ARS | Documents | Annual Report to Security Holders Acc-no: 0001193125-23-239582 (34 Act) Size: 2 MB |
2023-09-21 | 000-09992 231269257 |
| DEFA14A | Documents | Additional definitive proxy soliciting materials and Rule 14(a)(12) material Acc-no: 0001193125-23-239575 (34 Act) Size: 42 KB |
2023-09-21 | 000-09992 231269230 |
| DEF 14A | Documents Interactive Data | Other definitive proxy statements Acc-no: 0001193125-23-239572 (34 Act) Size: 12 MB |
2023-09-21 | 000-09992 231269213 |