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KLA Corp SEC Filings
What KLA Corp has told the SEC happened, by the 8-K items and forms it filed under: when it reported results, who joined or left, what it bought or sold, and whether its auditor or its accounts ever changed.
KLAC overview →Filings on file
123
since Oct 6, 2016
Warning signs
0
none filed
Last results
Jul 28, 2026
8-K item 2.02
Industry
Optical Instruments & Lenses
SIC 3827
Newest first
Each label is a form type or an 8-K item as filed; each row links to the filing.
| Filed | What it reports | Document |
|---|---|---|
| Aug 6, 2026 | Annual report 10-K | Read ↗ |
| Jul 28, 2026 | Results announced 8-K | Read ↗ |
| Apr 30, 2026 | Quarterly report 10-Q | Read ↗ |
| Apr 29, 2026 | Results announced 8-K | Read ↗ |
| Jan 30, 2026 | Quarterly report 10-Q | Read ↗ |
| Jan 29, 2026 | Results announced 8-K | Read ↗ |
| Nov 7, 2025 | Shareholder vote 8-K | Read ↗ |
| Oct 31, 2025 | Quarterly report 10-Q | Read ↗ |
| Oct 29, 2025 | Results announced 8-K | Read ↗ |
| Aug 8, 2025 | Annual report 10-K | Read ↗ |
| Aug 7, 2025 | Executive or director change 8-K | Read ↗ |
| Jul 31, 2025 | Results announced 8-K | Read ↗ |
| Jul 8, 2025 | Material agreementNew debt 8-K | Read ↗ |
| May 8, 2025 | Executive or director change 8-K | Read ↗ |
| May 1, 2025 | Quarterly report 10-Q | Read ↗ |
| May 1, 2025 | Executive or director change 8-K | Read ↗ |
| Apr 30, 2025 | Results announced 8-K | Read ↗ |
| Jan 31, 2025 | Quarterly report 10-Q | Read ↗ |
| Jan 30, 2025 | Results announced 8-K | Read ↗ |
| Nov 15, 2024 | Executive or director change 8-K | Read ↗ |
| Nov 8, 2024 | Shareholder vote 8-K | Read ↗ |
| Oct 31, 2024 | Quarterly report 10-Q | Read ↗ |
| Oct 30, 2024 | Results announced 8-K | Read ↗ |
| Sep 20, 2024 | Executive or director change 8-K | Read ↗ |
| Aug 5, 2024 | Annual report 10-K | Read ↗ |
| Jul 25, 2024 | Executive or director change 8-K | Read ↗ |
| Jul 24, 2024 | Results announced 8-K | Read ↗ |
| Apr 26, 2024 | Quarterly report 10-Q | Read ↗ |
| Apr 25, 2024 | Results announced 8-K | Read ↗ |
| Feb 1, 2024 | Material agreementNew debt 8-K | Read ↗ |
| Jan 26, 2024 | Quarterly report 10-Q | Read ↗ |
| Jan 25, 2024 | Results announced 8-K | Read ↗ |
| Nov 3, 2023 | Executive or director changeShareholder vote 8-K | Read ↗ |
| Oct 27, 2023 | Quarterly report 10-Q | Read ↗ |
| Oct 25, 2023 | Results announced 8-K | Read ↗ |
| Aug 4, 2023 | Annual report 10-K | Read ↗ |
| Jul 27, 2023 | Results announced 8-K | Read ↗ |
| Jul 24, 2023 | Executive or director change 8-K | Read ↗ |
| Apr 28, 2023 | Quarterly report 10-Q | Read ↗ |
| Apr 26, 2023 | Results announced 8-K | Read ↗ |
| Jan 27, 2023 | Quarterly report 10-Q | Read ↗ |
| Jan 26, 2023 | Results announced 8-K | Read ↗ |
| Nov 4, 2022 | Shareholder vote 8-K | Read ↗ |
| Oct 28, 2022 | Quarterly report 10-Q | Read ↗ |
| Oct 26, 2022 | Results announced 8-K | Read ↗ |
| Aug 5, 2022 | Annual report 10-K | Read ↗ |
| Aug 5, 2022 | Executive or director change 8-K | Read ↗ |
| Jul 28, 2022 | Results announced 8-K | Read ↗ |
| Jun 24, 2022 | Material agreementNew debt 8-K | Read ↗ |
| Jun 22, 2022 | Material agreement 8-K | Read ↗ |
| Jun 8, 2022 | Material agreement 8-K | Read ↗ |
| Apr 29, 2022 | Quarterly report 10-Q | Read ↗ |
| Apr 28, 2022 | Results announced 8-K | Read ↗ |
| Jan 28, 2022 | Quarterly report 10-Q | Read ↗ |
| Jan 27, 2022 | Results announced 8-K | Read ↗ |
| Nov 5, 2021 | Shareholder vote 8-K | Read ↗ |
| Oct 28, 2021 | Quarterly report 10-Q | Read ↗ |
| Oct 27, 2021 | Results announced 8-K | Read ↗ |
| Aug 6, 2021 | Annual report 10-K | Read ↗ |
| Jul 29, 2021 | Results announced 8-K | Read ↗ |
| Apr 30, 2021 | Quarterly report 10-Q | Read ↗ |
| Apr 29, 2021 | Results announced 8-K | Read ↗ |
| Feb 4, 2021 | Quarterly report 10-Q | Read ↗ |
| Feb 3, 2021 | Results announced 8-K | Read ↗ |
| Nov 6, 2020 | Shareholder vote 8-K | Read ↗ |
| Oct 30, 2020 | Quarterly report 10-Q | Read ↗ |
| Oct 28, 2020 | Results announced 8-K | Read ↗ |
| Aug 7, 2020 | Annual report 10-K | Read ↗ |
| Aug 3, 2020 | Results announced 8-K | Read ↗ |
| May 6, 2020 | Quarterly report 10-Q | Read ↗ |
| May 5, 2020 | Results announced 8-K | Read ↗ |
| Mar 3, 2020 | Material agreementNew debt 8-K | Read ↗ |
| Feb 24, 2020 | Material agreement 8-K | Read ↗ |
| Feb 13, 2020 | Executive or director change 8-K | Read ↗ |
| Feb 5, 2020 | Quarterly report 10-Q | Read ↗ |
| Feb 4, 2020 | Results announced 8-K | Read ↗ |
| Nov 8, 2019 | Shareholder vote 8-K | Read ↗ |
| Oct 31, 2019 | Quarterly report 10-Q | Read ↗ |
| Oct 30, 2019 | Results announced 8-K | Read ↗ |
| Aug 21, 2019 | Executive or director change 8-K | Read ↗ |
| Aug 16, 2019 | Annual report 10-K | Read ↗ |
| Aug 5, 2019 | Results announced 8-K | Read ↗ |
| Aug 1, 2019 | Executive or director change 8-K | Read ↗ |
| Jun 10, 2019 | Executive or director change 8-K | Read ↗ |
| May 8, 2019 | Quarterly report 10-Q | Read ↗ |
| May 6, 2019 | Results announced 8-K | Read ↗ |
| Mar 20, 2019 | Material agreementNew debt 8-K | Read ↗ |
| Mar 15, 2019 | Material agreement 8-K | Read ↗ |
| Mar 11, 2019 | Acquisition or sale completed 8-K/A | Read ↗ |
| Feb 20, 2019 | Acquisition or sale completedNew debt 8-K | Read ↗ |
| Feb 1, 2019 | Executive or director change 8-K | Read ↗ |
| Jan 29, 2019 | Quarterly report 10-Q | Read ↗ |
| Jan 29, 2019 | Results announced 8-K | Read ↗ |
| Nov 8, 2018 | Material agreementNew debtShareholder vote 8-K | Read ↗ |
| Oct 31, 2018 | Quarterly report 10-Q | Read ↗ |
| Oct 29, 2018 | Results announced 8-K | Read ↗ |
| Aug 6, 2018 | Annual report 10-K | Read ↗ |
| Jul 30, 2018 | Executive or director changeResults announced 8-K | Read ↗ |
| May 16, 2018 | Merger vote or registration S-4 | Read ↗ |
| May 11, 2018 | Material agreement 8-K | Read ↗ |
| Apr 27, 2018 | Quarterly report 10-Q | Read ↗ |
| Apr 26, 2018 | Results announced 8-K | Read ↗ |
| Mar 19, 2018 | Material agreement 8-K | Read ↗ |
| Jan 26, 2018 | Quarterly report 10-Q | Read ↗ |
| Jan 25, 2018 | Results announced 8-K | Read ↗ |
| Nov 30, 2017 | Material agreementNew debt 8-K | Read ↗ |
| Nov 3, 2017 | Shareholder vote 8-K | Read ↗ |
| Oct 27, 2017 | Quarterly report 10-Q | Read ↗ |
| Oct 26, 2017 | Results announced 8-K | Read ↗ |
| Aug 15, 2017 | Executive or director change 8-K | Read ↗ |
| Aug 4, 2017 | Annual report 10-K | Read ↗ |
| Jul 27, 2017 | Results announced 8-K | Read ↗ |
| Apr 28, 2017 | Quarterly report 10-Q | Read ↗ |
| Apr 27, 2017 | Results announced 8-K | Read ↗ |
| Jan 27, 2017 | Quarterly report 10-Q | Read ↗ |
| Jan 26, 2017 | Results announced 8-K | Read ↗ |
| Dec 5, 2016 | Executive or director change 8-K | Read ↗ |
| Nov 3, 2016 | Shareholder vote 8-K | Read ↗ |
| Oct 20, 2016 | Executive or director change 8-K | Read ↗ |
| Oct 20, 2016 | Quarterly report 10-Q | Read ↗ |
| Oct 20, 2016 | Results announced 8-K | Read ↗ |
| Oct 7, 2016 | Results announced 8-K | Read ↗ |
| Oct 6, 2016 | Material agreement 8-K | Read ↗ |
Source: KLA Corp's EDGAR filing history, the last ten years. The labels are the form types and 8-K item numbers the company filed under, not a reading of what it wrote — an item 5.02 can be a chief executive fired or a director retiring on schedule — so each row links to the filing.
More on KLAC
Company overviewEverything on KLAC in one place, with the price.Insider tradingWhat KLAC's own officers and directors buy and sell.Planned salesSales KLAC insiders have filed notice of.Executive payWhat KLAC awarded its chief executive, and what it became.Who owns itEvery manager reporting a position in KLAC.Funds holding itWhich funds and ETFs hold KLAC, and how big a bet.LobbyingWhat KLAC spends lobbying Congress, and on what.Who lobbies for itThe lobbyists on KLAC's account, and who they worked for.Federal contractsWhat federal agencies pay KLAC.PatentsWhat KLAC is filing at the patent office.