{"cik":"0000709283","ticker":"QMCO","name":"QUANTUM CORP /DE/","sic_code":"3572","sic_description":"Computer Storage Devices","exchange":"Nasdaq","state_of_incorporation":"DE","fiscal_year_end":"0331","first_filing_date":"2026-06-02","last_filing_date":"2026-09-08","url":"/sec/cik-0000709283","insider_summary":{"total_transactions":14,"unique_insiders":4,"latest_transaction":"2026-07-02"},"recent_filings":[{"accession_number":"0001628280-26-065547","form_type":"8-K","form_type_family":"current","doc_date":"2026-10-09","title":"8-K — QUANTUM CORP /DE/ — 2026-10-09","url_slug":"/sec/cik-0000709283/8-k/0001628280-26-065547","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-065547-index.html"},{"accession_number":"0001628280-26-063661","form_type":"8-K","form_type_family":"current","doc_date":"2026-09-28","title":"8-K — QUANTUM CORP /DE/ — 2026-09-28","url_slug":"/sec/cik-0000709283/8-k/0001628280-26-063661","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-063661-index.html"},{"accession_number":"0001628280-26-063488","form_type":"S-8","form_type_family":"other","doc_date":"2026-09-25","title":"S-8 — QUANTUM CORP /DE/ — 2026-09-25","url_slug":"/sec/cik-0000709283/s-8/0001628280-26-063488","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-063488-index.html"},{"accession_number":"0001628280-26-062548","form_type":"8-K","form_type_family":"current","doc_date":"2026-09-17","title":"8-K — QUANTUM CORP /DE/ — 2026-09-17","url_slug":"/sec/cik-0000709283/8-k/0001628280-26-062548","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-062548-index.html"},{"accession_number":"0001628280-26-059879","form_type":"8-K","form_type_family":"current","doc_date":"2026-09-01","title":"8-K — QUANTUM CORP /DE/ — 2026-09-01","url_slug":"/sec/cik-0000709283/8-k/0001628280-26-059879","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-059879-index.html"},{"accession_number":"0001628280-26-057180","form_type":"8-K","form_type_family":"current","doc_date":"2026-08-14","title":"8-K — QUANTUM CORP /DE/ — 2026-08-14","url_slug":"/sec/cik-0000709283/8-k/0001628280-26-057180","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-057180-index.html"},{"accession_number":"0001628280-26-055417","form_type":"10-Q","form_type_family":"quarterly","doc_date":"2026-08-11","title":"10-Q — QUANTUM CORP /DE/ — 2026-08-11","url_slug":"/sec/cik-0000709283/10-q/0001628280-26-055417","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-055417-index.html"},{"accession_number":"0001140361-26-032027","form_type":"SCHEDULE 13G","form_type_family":"other","doc_date":"2026-08-10","title":"SCHEDULE 13G — QUANTUM CORP /DE/ — 2026-08-10","url_slug":"/sec/cik-0000709283/schedule-13g/0001140361-26-032027","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001140361-26-032027-index.html"},{"accession_number":"0001628280-26-055272","form_type":"8-K","form_type_family":"current","doc_date":"2026-08-10","title":"8-K — QUANTUM CORP /DE/ — 2026-08-10","url_slug":"/sec/cik-0000709283/8-k/0001628280-26-055272","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-055272-index.html"},{"accession_number":"0001140361-26-030044","form_type":"DEFA14A","form_type_family":"proxy","doc_date":"2026-07-29","title":"DEFA14A — QUANTUM CORP /DE/ — 2026-07-29","url_slug":"/sec/cik-0000709283/defa14a/0001140361-26-030044","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001140361-26-030044-index.html"},{"accession_number":"0001140361-26-030043","form_type":"DEF 14A","form_type_family":"proxy","doc_date":"2026-07-29","title":"DEF 14A — QUANTUM CORP /DE/ — 2026-07-29","url_slug":"/sec/cik-0000709283/def-14a/0001140361-26-030043","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001140361-26-030043-index.html"},{"accession_number":"0001140361-26-030046","form_type":"ARS","form_type_family":"other","doc_date":"2026-07-29","title":"ARS — QUANTUM CORP /DE/ — 2026-07-29","url_slug":"/sec/cik-0000709283/ars/0001140361-26-030046","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001140361-26-030046-index.html"},{"accession_number":"0001628280-26-049821","form_type":"424B3","form_type_family":"registration","doc_date":"2026-07-27","title":"424B3 — QUANTUM CORP /DE/ — 2026-07-27","url_slug":"/sec/cik-0000709283/424b3/0001628280-26-049821","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-049821-index.html"},{"accession_number":"9999999995-26-002444","form_type":"EFFECT","form_type_family":"other","doc_date":"2026-07-24","title":"EFFECT — QUANTUM CORP /DE/ — 2026-07-24","url_slug":"/sec/cik-0000709283/effect/9999999995-26-002444","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/9999999995-26-002444-index.html"},{"accession_number":"0001628280-26-048062","form_type":"S-1","form_type_family":"registration","doc_date":"2026-07-14","title":"S-1 — QUANTUM CORP /DE/ — 2026-07-14","url_slug":"/sec/cik-0000709283/s-1/0001628280-26-048062","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-048062-index.html"},{"accession_number":"0001628280-26-047490","form_type":"4","form_type_family":"insider","doc_date":"2026-07-07","title":"4 — Nash Laura A. — 2026-07-07","url_slug":"/sec/cik-0001979364/4/0001628280-26-047490","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-047490-index.html"},{"accession_number":"0001628280-26-045602","form_type":"10-K","form_type_family":"annual","doc_date":"2026-06-25","title":"10-K — QUANTUM CORP /DE/ — 2026-06-25","url_slug":"/sec/cik-0000709283/10-k/0001628280-26-045602","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001628280-26-045602-index.html"},{"accession_number":"0001193125-26-270343","form_type":"NT 10-K","form_type_family":"other","doc_date":"2026-06-15","title":"NT 10-K — QUANTUM CORP /DE/ — 2026-06-15","url_slug":"/sec/cik-0000709283/nt-10-k/0001193125-26-270343","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001193125-26-270343-index.html"},{"accession_number":"0001193125-26-259525","form_type":"8-K","form_type_family":"current","doc_date":"2026-06-05","title":"8-K — QUANTUM CORP /DE/ — 2026-06-05","url_slug":"/sec/cik-0000709283/8-k/0001193125-26-259525","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001193125-26-259525-index.html"},{"accession_number":"0001193125-26-252718","form_type":"8-K","form_type_family":"current","doc_date":"2026-06-02","title":"8-K — QUANTUM CORP /DE/ — 2026-06-02","url_slug":"/sec/cik-0000709283/8-k/0001193125-26-252718","edgar_url":"https://www.sec.gov/Archives/edgar/data/709283/0001193125-26-252718-index.html"}],"related_endpoints":{"profile":"/sec/QMCO/profile","timeline":"/sec/QMCO/timeline","peers":"/sec/QMCO/peers","insider_pulse":"/sec/QMCO/insider-pulse","insider_summary":"/sec/QMCO/insider-summary","insider_transactions":"/sec/QMCO/insider-transactions","form144":"/sec/QMCO/form144","holdings_as_filer":"/sec/QMCO/holdings","financial_facts":"/sec/QMCO/financial-facts","derivatives":"/sec/QMCO/derivatives","officers":"/sec/QMCO/officers","insider_network":"/sec/QMCO/insider-network","risk_flags":"/sec/QMCO/risk-flags","filings":"/sec/QMCO/filings","cross_topic_dossier":"/api/v1/dossier?ticker=QMCO"}}