QUANTUM CORP /DE/ (QMCO) Form 8-K Material Events
QUANTUM CORP /DE/ (QMCO) is a publicly traded company on the Nasdaq, categorized under SIC 3572 (Computer Storage Devices). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: QMCO
CIK: 709283
Exchange: Nasdaq
SIC 3572: Computer Storage Devices
Fiscal Year End: 03/31
State: DE
Independent PCAOB Auditor
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Audit Firm
CohnReznick LLP
Auditor SinceSince 3/31/2026 12:00:00 AM
Lead Engagement PartnerAsael Meir
Audit LocationMelville, New York, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 8-K | 2026-10-09 | 2026-10-09 | 8-K | 0001628280-26-065547 | View SEC Doc Filr Page |
| 4 | 2026-10-05 | 2026-10-01 | FORM 4 | 0001628280-26-065076 | View SEC Doc Filr Page |
| 4 | 2026-10-05 | 2026-10-01 | FORM 4 | 0001628280-26-065074 | View SEC Doc Filr Page |
| 4 | 2026-10-05 | 2026-10-01 | FORM 4 | 0001628280-26-065072 | View SEC Doc Filr Page |
| 4 | 2026-10-05 | 2026-10-01 | FORM 4 | 0001628280-26-065068 | View SEC Doc Filr Page |
| 4 | 2026-10-05 | 2026-10-01 | FORM 4 | 0001628280-26-065061 | View SEC Doc Filr Page |
| 4 | 2026-10-05 | 2026-10-01 | FORM 4 | 0001628280-26-065025 | View SEC Doc Filr Page |
| 4 | 2026-10-05 | 2026-10-01 | FORM 4 | 0001628280-26-065000 | View SEC Doc Filr Page |
| 4 | 2026-10-05 | 2026-10-01 | FORM 4 | 0001628280-26-064989 | View SEC Doc Filr Page |
| 4 | 2026-10-05 | 2026-10-01 | FORM 4 | 0001628280-26-064983 | View SEC Doc Filr Page |
| 8-K | 2026-09-28 | 2026-09-28 | 8-K | 0001628280-26-063661 | View SEC Doc Filr Page |
| S-8 | 2026-09-25 | — | S-8 | 0001628280-26-063488 | View SEC Doc Filr Page |
| 8-K | 2026-09-17 | 2026-09-15 | 8-K | 0001628280-26-062548 | View SEC Doc Filr Page |
| 3 | 2026-09-08 | 2026-09-01 | FORM 3 | 0001628280-26-060935 | View SEC Doc Filr Page |
| 8-K | 2026-09-01 | 2026-09-01 | 8-K | 0001628280-26-059879 | View SEC Doc Filr Page |
| 8-K | 2026-08-14 | 2026-08-11 | 8-K | 0001628280-26-057180 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-14 | — | SCHEDULE 13G Filing | 0001011438-26-000549 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-14 | — | SCHEDULE 13G Filing | 0001172661-26-003795 | View SEC Doc Filr Page |
| 10-Q | 2026-08-11 | 2026-06-30 | 10-Q | 0001628280-26-055417 | View SEC Doc Filr Page |
| 8-K | 2026-08-10 | 2026-08-10 | 8-K | 0001628280-26-055272 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-10 | — | SCHEDULE 13G Filing | 0001140361-26-032027 | View SEC Doc Filr Page |
| 4 | 2026-08-05 | 2026-08-03 | FORM 4 | 0001628280-26-053354 | View SEC Doc Filr Page |
| ARS | 2026-07-29 | 2026-03-31 | ARS | 0001140361-26-030046 | View SEC Doc Filr Page |
| DEFA14A | 2026-07-29 | — | DEFA14A | 0001140361-26-030044 | View SEC Doc Filr Page |
| DEF 14A | 2026-07-29 | 2026-09-15 | DEF 14A | 0001140361-26-030043 | View SEC Doc Filr Page |