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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File Number: 005-33189
| Filings | Format | Description | Filing Date | File/Film Number |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001562230-23-000056 (34 Act) Size: 18 KB |
2023-02-13 | 005-33189 23617986 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-23-016303 (34 Act) Size: 13 KB |
2023-02-09 | 005-33189 23603550 |
| SC 13G | Documents | Statement of Beneficial Ownership by Certain Investors Acc-no: 0001306550-23-004571 (34 Act) Size: 13 KB |
2023-01-30 | 005-33189 23567683 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001562230-22-000083 (34 Act) Size: 18 KB |
2022-02-11 | 005-33189 22617915 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001085146-22-000712 (34 Act) Size: 27 KB |
2022-02-10 | 005-33189 22612362 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-22-017918 (34 Act) Size: 13 KB |
2022-02-10 | 005-33189 22610092 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001085146-22-000631 (34 Act) Size: 27 KB |
2022-02-08 | 005-33189 22600533 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000834237-22-003902 (34 Act) Size: 13 KB |
2022-02-01 | 005-33189 22575618 |
| SC 13G | Documents | Statement of Beneficial Ownership by Certain Investors Acc-no: 0001562230-21-000094 (34 Act) Size: 18 KB |
2021-02-16 | 005-33189 21640145 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-21-021543 (34 Act) Size: 50 KB |
2021-02-12 | 005-33189 21624611 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-21-018454 (34 Act) Size: 13 KB |
2021-02-10 | 005-33189 21611121 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000902219-21-000264 (34 Act) Size: 33 KB |
2021-02-04 | 005-33189 21589749 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000834237-21-004652 (34 Act) Size: 13 KB |
2021-01-29 | 005-33189 21572713 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-20-019083 (34 Act) Size: 70 KB |
2020-02-12 | 005-33189 20603473 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-20-016937 (34 Act) Size: 13 KB |
2020-02-12 | 005-33189 20598789 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000834237-20-005822 (34 Act) Size: 13 KB |
2020-02-05 | 005-33189 20577610 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000902219-20-000095 (34 Act) Size: 34 KB |
2020-01-27 | 005-33189 20548959 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000902219-19-000316 (34 Act) Size: 33 KB |
2019-02-12 | 005-33189 19588357 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000932471-19-005375 (34 Act) Size: 34 KB |
2019-02-11 | 005-33189 19584663 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-19-006796 (34 Act) Size: 70 KB |
2019-02-08 | 005-33189 19579726 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000215457-19-004974 (34 Act) Size: 13 KB |
2019-02-06 | 005-33189 19571244 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-18-012398 (34 Act) Size: 70 KB |
2018-02-27 | 005-33189 18642841 |
| SC 13G | Documents | Statement of Beneficial Ownership by Certain Investors Acc-no: 0000902219-18-000321 (34 Act) Size: 34 KB |
2018-02-08 | 005-33189 18584120 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000932471-18-002677 (34 Act) Size: 45 KB |
2018-02-08 | 005-33189 18583841 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000215457-18-005104 (34 Act) Size: 13 KB |
2018-02-08 | 005-33189 18583158 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001140361-17-041264 (34 Act) Size: 66 KB |
2017-11-07 | 005-33189 171182273 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-17-007717 (34 Act) Size: 71 KB |
2017-02-09 | 005-33189 17586346 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000353480-17-001132 (34 Act) Size: 13 KB |
2017-01-25 | 005-33189 17546068 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000019617-17-000151 (34 Act) Size: 43 KB |
2017-01-19 | 005-33189 17535592 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000932471-17-000059 (34 Act) Size: 37 KB |
2017-01-10 | 005-33189 17520201 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001422849-16-000732 (34 Act) Size: 8 KB |
2016-08-10 | 005-33189 161820537 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000093751-16-000523 (34 Act) Size: 8 KB |
2016-02-22 | 005-33189 161444750 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001422849-16-000624 (34 Act) Size: 8 KB |
2016-02-12 | 005-33189 161421034 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-16-096158 (34 Act) Size: 70 KB |
2016-02-12 | 005-33189 161414134 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000932471-16-011108 (34 Act) Size: 39 KB |
2016-02-10 | 005-33189 161403475 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000215457-16-005643 (34 Act) Size: 13 KB |
2016-02-10 | 005-33189 161403113 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000019617-16-000670 (34 Act) Size: 41 KB |
2016-01-19 | 005-33189 161347997 |