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Quantum Corp SEC Filings
What Quantum 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.
QMCO overview →Filings on file
188
since Sep 26, 2016
Warning signs
27
latest Jun 15, 2026
Last results
Aug 10, 2026
8-K item 2.02
Industry
Computer Storage Devices
SIC 3572
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 |
|---|---|---|
| Oct 9, 2026 | Executive or director change 8-K | Read ↗ |
| Sep 28, 2026 | Executive or director change 8-K | Read ↗ |
| Sep 17, 2026 | Shareholder vote 8-K | Read ↗ |
| Sep 1, 2026 | Executive or director change 8-K | Read ↗ |
| Aug 14, 2026 | Executive or director change 8-K | Read ↗ |
| Aug 11, 2026 | Quarterly report 10-Q | Read ↗ |
| Aug 10, 2026 | Results announced 8-K | Read ↗ |
| Jul 14, 2026 | Share offering S-1 | Read ↗ |
| Jun 25, 2026 | Annual report 10-K | Read ↗ |
| Jun 25, 2026 | Results announced 8-K | Read ↗ |
| Jun 15, 2026 | Late filing notice NT 10-K | Read ↗ |
| Jun 5, 2026 | Material agreement 8-K | Read ↗ |
| Jun 2, 2026 | Results announcedMaterial agreementNew debtUnregistered share sale 8-K | Read ↗ |
| Feb 19, 2026 | Share offering S-1 | Read ↗ |
| Feb 17, 2026 | Quarterly report 10-Q | Read ↗ |
| Feb 17, 2026 | Results announced 8-K | Read ↗ |
| Feb 2, 2026 | Executive or director change 8-K | Read ↗ |
| Jan 15, 2026 | Results announced 8-K | Read ↗ |
| Dec 18, 2025 | Material agreementNew debtUnregistered share saleShareholder vote 8-K | Read ↗ |
| Nov 17, 2025 | Share offering S-1 | Read ↗ |
| Nov 13, 2025 | Quarterly report 10-Q | Read ↗ |
| Nov 13, 2025 | Results announced 8-K | Read ↗ |
| Oct 28, 2025 | Results announced 8-K | Read ↗ |
| Oct 6, 2025 | Auditor change 8-K | Read ↗ |
| Sep 23, 2025 | Quarterly report 10-Q/A | Read ↗ |
| Sep 23, 2025 | Material agreementNew debtUnregistered share sale 8-K | Read ↗ |
| Sep 11, 2025 | Quarterly report 10-Q | Read ↗ |
| Sep 10, 2025 | Results announced 8-K | Read ↗ |
| Aug 28, 2025 | Executive or director change 8-K | Read ↗ |
| Aug 26, 2025 | Delisting notice or listing transfer 8-K | Read ↗ |
| Aug 26, 2025 | Annual report 10-K | Read ↗ |
| Aug 18, 2025 | Executive or director changeResults announcedMaterial agreement 8-K | Read ↗ |
| Aug 15, 2025 | Late filing notice NT 10-Q | Read ↗ |
| Aug 8, 2025 | Earlier accounts withdrawn 8-K | Read ↗ |
| Jul 23, 2025 | Delisting notice or listing transfer 8-K | Read ↗ |
| Jul 8, 2025 | Executive or director change 8-K | Read ↗ |
| Jun 30, 2025 | Late filing notice NT 10-K | Read ↗ |
| Jun 18, 2025 | Executive or director change 8-K | Read ↗ |
| Jun 3, 2025 | Executive or director changeResults announced 8-K | Read ↗ |
| May 6, 2025 | Results announced 8-K | Read ↗ |
| Apr 29, 2025 | Shareholder vote 8-K | Read ↗ |
| Apr 3, 2025 | Executive or director change 8-K | Read ↗ |
| Mar 20, 2025 | Executive or director change 8-K | Read ↗ |
| Feb 12, 2025 | Quarterly report 10-Q | Read ↗ |
| Feb 12, 2025 | Results announced 8-K | Read ↗ |
| Jan 27, 2025 | Share offering S-1 | Read ↗ |
| Jan 27, 2025 | Material agreementUnregistered share sale 8-K | Read ↗ |
| Nov 14, 2024 | Quarterly report 10-Q | Read ↗ |
| Nov 13, 2024 | Results announced 8-K | Read ↗ |
| Oct 10, 2024 | Delisting notice or listing transfer 8-K | Read ↗ |
| Sep 6, 2024 | Quarterly report 10-Q | Read ↗ |
| Sep 6, 2024 | Quarterly report 10-Q | Read ↗ |
| Aug 20, 2024 | Shareholder vote 8-K | Read ↗ |
| Aug 14, 2024 | Quarterly report 10-Q | Read ↗ |
| Aug 14, 2024 | Executive or director changeMaterial agreement 8-K | Read ↗ |
| Aug 13, 2024 | Results announced 8-K | Read ↗ |
| Jul 12, 2024 | Material agreement 8-K | Read ↗ |
| Jun 28, 2024 | Annual report 10-K | Read ↗ |
| Jun 18, 2024 | Executive or director change 8-K | Read ↗ |
| Jun 17, 2024 | Results announced 8-K | Read ↗ |
| Jun 10, 2024 | Executive or director change 8-K | Read ↗ |
| May 29, 2024 | Earlier accounts withdrawnMaterial agreementUnregistered share sale 8-K | Read ↗ |
| Apr 12, 2024 | Executive or director changeResults announced 8-K | Read ↗ |
| Mar 25, 2024 | Delisting notice or listing transferMaterial agreement 8-K | Read ↗ |
| Feb 20, 2024 | Material agreement 8-K | Read ↗ |
| Feb 14, 2024 | Delisting notice or listing transfer 8-K | Read ↗ |
| Feb 14, 2024 | Late filing notice NT 10-Q | Read ↗ |
| Nov 17, 2023 | Delisting notice or listing transfer 8-K | Read ↗ |
| Nov 16, 2023 | Executive or director change 8-K | Read ↗ |
| Nov 13, 2023 | Results announcedMaterial agreement 8-K | Read ↗ |
| Nov 13, 2023 | Late filing notice NT 10-Q | Read ↗ |
| Sep 26, 2023 | Delisting notice or listing transfer 8-K | Read ↗ |
| Sep 14, 2023 | Shareholder vote 8-K | Read ↗ |
| Aug 21, 2023 | Auditor change 8-K | Read ↗ |
| Aug 8, 2023 | Quarterly report 10-Q | Read ↗ |
| Aug 8, 2023 | Results announced 8-K | Read ↗ |
| Jul 27, 2023 | Auditor change 8-K | Read ↗ |
| Jun 6, 2023 | Annual report 10-K | Read ↗ |
| Jun 6, 2023 | Executive or director changeResults announcedRestructuringMaterial agreementUnregistered share sale 8-K | Read ↗ |
| Feb 2, 2023 | Quarterly report 10-Q | Read ↗ |
| Feb 2, 2023 | Results announced 8-K | Read ↗ |
| Jan 11, 2023 | Executive or director change 8-K | Read ↗ |
| Nov 2, 2022 | Quarterly report 10-Q | Read ↗ |
| Nov 2, 2022 | Results announced 8-K | Read ↗ |
| Sep 28, 2022 | Executive or director change 8-K | Read ↗ |
| Aug 22, 2022 | Shareholder vote 8-K | Read ↗ |
| Aug 4, 2022 | Quarterly report 10-Q | Read ↗ |
| Aug 4, 2022 | Results announced 8-K | Read ↗ |
| Jun 16, 2022 | Executive or director change 8-K | Read ↗ |
| Jun 8, 2022 | Annual report 10-K | Read ↗ |
| Jun 8, 2022 | Results announced 8-K | Read ↗ |
| Apr 27, 2022 | Material agreement 8-K | Read ↗ |
| Apr 11, 2022 | Results announced 8-K | Read ↗ |
| Mar 17, 2022 | Material agreement 8-K | Read ↗ |
| Feb 9, 2022 | Quarterly report 10-Q | Read ↗ |
| Feb 9, 2022 | Results announced 8-K | Read ↗ |
| Nov 3, 2021 | Quarterly report 10-Q | Read ↗ |
| Nov 3, 2021 | Results announced 8-K | Read ↗ |
| Oct 6, 2021 | Material agreement 8-K | Read ↗ |
| Sep 27, 2021 | Shareholder vote 8-K | Read ↗ |
| Aug 13, 2021 | Executive or director change 8-K | Read ↗ |
| Aug 9, 2021 | Quarterly report 10-Q | Read ↗ |
| Aug 9, 2021 | Results announced 8-K | Read ↗ |
| Aug 5, 2021 | Material agreement 8-K | Read ↗ |
| Jul 23, 2021 | Executive or director change 8-K | Read ↗ |
| Jul 22, 2021 | Acquisition or sale completedMaterial agreementUnregistered share sale 8-K | Read ↗ |
| May 26, 2021 | Annual report 10-K | Read ↗ |
| May 26, 2021 | Results announced 8-K | Read ↗ |
| Apr 22, 2021 | Executive or director change 8-K | Read ↗ |
| Feb 8, 2021 | Material agreement 8-K | Read ↗ |
| Jan 27, 2021 | Quarterly report 10-Q | Read ↗ |
| Jan 27, 2021 | Results announced 8-K | Read ↗ |
| Dec 14, 2020 | Acquisition or sale completedMaterial agreementUnregistered share sale 8-K | Read ↗ |
| Nov 25, 2020 | Material agreement 8-K | Read ↗ |
| Oct 28, 2020 | Quarterly report 10-Q | Read ↗ |
| Oct 28, 2020 | Results announced 8-K | Read ↗ |
| Oct 14, 2020 | Executive or director change 8-K | Read ↗ |
| Aug 20, 2020 | Shareholder vote 8-K | Read ↗ |
| Aug 5, 2020 | Quarterly report 10-Q | Read ↗ |
| Aug 5, 2020 | Results announced 8-K | Read ↗ |
| Jun 24, 2020 | Annual report 10-K | Read ↗ |
| Jun 24, 2020 | Results announced 8-K | Read ↗ |
| Jun 17, 2020 | Material agreementNew debtUnregistered share sale 8-K | Read ↗ |
| Jun 1, 2020 | Material agreement 8-K | Read ↗ |
| May 19, 2020 | Material agreement 8-K | Read ↗ |
| May 18, 2020 | Material agreement 8-K | Read ↗ |
| Apr 16, 2020 | Material agreementNew debt 8-K | Read ↗ |
| Apr 6, 2020 | Acquisition or sale completedMaterial agreement 8-K | Read ↗ |
| Jan 29, 2020 | Quarterly report 10-Q | Read ↗ |
| Jan 29, 2020 | Results announced 8-K | Read ↗ |
| Dec 17, 2019 | Executive or director change 8-K | Read ↗ |
| Nov 18, 2019 | Executive or director changeShareholder vote 8-K | Read ↗ |
| Nov 8, 2019 | Executive or director change 8-K | Read ↗ |
| Nov 5, 2019 | Quarterly report 10-Q | Read ↗ |
| Nov 5, 2019 | Results announced 8-K | Read ↗ |
| Oct 16, 2019 | Executive or director change 8-K | Read ↗ |
| Sep 11, 2019 | Executive or director change 8-K | Read ↗ |
| Aug 23, 2019 | Quarterly report 10-Q | Read ↗ |
| Aug 23, 2019 | Quarterly report 10-Q | Read ↗ |
| Aug 6, 2019 | Results announced 8-K | Read ↗ |
| Aug 6, 2019 | Quarterly report 10-Q | Read ↗ |
| Aug 6, 2019 | Annual report 10-K | Read ↗ |
| Jun 14, 2019 | Late filing notice NT 10-K | Read ↗ |
| Apr 11, 2019 | Executive or director change 8-K | Read ↗ |
| Apr 10, 2019 | Executive or director change 8-K | Read ↗ |
| Apr 9, 2019 | Late filing notice NT 10-Q | Read ↗ |
| Feb 4, 2019 | Executive or director change 8-K | Read ↗ |
| Jan 30, 2019 | Delisting 25-NSE | Read ↗ |
| Jan 25, 2019 | Auditor change 8-K | Read ↗ |
| Jan 15, 2019 | Delisting notice or listing transfer 8-K | Read ↗ |
| Dec 28, 2018 | Material agreementNew debtUnregistered share sale 8-K | Read ↗ |
| Nov 9, 2018 | Late filing notice NT 10-Q | Read ↗ |
| Sep 14, 2018 | Earlier accounts withdrawn 8-K | Read ↗ |
| Aug 29, 2018 | Material agreementNew debtUnregistered share sale 8-K | Read ↗ |
| Aug 10, 2018 | Late filing notice NT 10-Q | Read ↗ |
| Jun 27, 2018 | Executive or director changeRestructuring 8-K | Read ↗ |
| Jun 15, 2018 | Late filing notice NT 10-K | Read ↗ |
| May 30, 2018 | Executive or director change 8-K | Read ↗ |
| May 11, 2018 | Executive or director change 8-K | Read ↗ |
| Feb 20, 2018 | Material agreementUnregistered share sale 8-K | Read ↗ |
| Feb 16, 2018 | Delisting notice or listing transfer 8-K | Read ↗ |
| Feb 12, 2018 | Late filing notice NT 10-Q | Read ↗ |
| Feb 8, 2018 | Restructuring 8-K | Read ↗ |
| Jan 22, 2018 | Executive or director change 8-K | Read ↗ |
| Nov 13, 2017 | Executive or director change 8-K | Read ↗ |
| Nov 9, 2017 | Quarterly report 10-Q | Read ↗ |
| Nov 9, 2017 | Results announced 8-K | Read ↗ |
| Nov 9, 2017 | Material agreementNew debt 8-K | Read ↗ |
| Sep 5, 2017 | Executive or director change 8-K | Read ↗ |
| Aug 24, 2017 | Executive or director changeShareholder vote 8-K | Read ↗ |
| Aug 14, 2017 | Executive or director change 8-K | Read ↗ |
| Aug 9, 2017 | Quarterly report 10-Q | Read ↗ |
| Aug 9, 2017 | Results announced 8-K | Read ↗ |
| Jun 1, 2017 | Executive or director change 8-K | Read ↗ |
| Jun 1, 2017 | Annual report 10-K | Read ↗ |
| May 10, 2017 | Results announced 8-K | Read ↗ |
| May 4, 2017 | Executive or director change 8-K | Read ↗ |
| Apr 3, 2017 | Executive or director changeShareholder vote 8-K | Read ↗ |
| Mar 3, 2017 | Executive or director changeMaterial agreement 8-K | Read ↗ |
| Feb 3, 2017 | Quarterly report 10-Q | Read ↗ |
| Jan 25, 2017 | Results announced 8-K | Read ↗ |
| Jan 12, 2017 | Results announced 8-K | Read ↗ |
| Dec 5, 2016 | Material agreement 8-K | Read ↗ |
| Nov 4, 2016 | Quarterly report 10-Q | Read ↗ |
| Oct 26, 2016 | Results announced 8-K | Read ↗ |
| Oct 21, 2016 | Material agreementNew debt 8-K | Read ↗ |
| Oct 6, 2016 | Results announced 8-K | Read ↗ |
| Sep 26, 2016 | Material agreement 8-K | Read ↗ |
Source: Quantum 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 QMCO
Company overviewEverything on QMCO in one place, with the price.Insider tradingWhat QMCO's own officers and directors buy and sell.Who owns itEvery manager reporting a position in QMCO.Funds holding itWhich funds and ETFs hold QMCO, and how big a bet.LobbyingWhat QMCO spends lobbying Congress, and on what.Who lobbies for itThe lobbyists on QMCO's account, and who they worked for.Federal contractsWhat federal agencies pay QMCO.PatentsWhat QMCO is filing at the patent office.Workplace safetyWhat OSHA found at QMCO's sites.