Companies: 10,795·Total market cap: $144.5T
Quantum Corporation

Quantum Corporation

QMCONASDAQTechnology● Active
$12.54
$-0.16(-1.26%)
Market Cap$78359613
P/E Ratio—
52W High$16.63
52W Low$4.19
SEC Filings

Quantum Corporation (QMCO) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0000709283 · QMCO · NASDAQ · as of Jun 8, 2026

Filing snapshot

1,001+
Total Filings
8-K
Latest Form
2026-06-05
Most Recent
1999
Filing Since
FinancialsEarningsView All on EDGAR

Source: SEC EDGAR (data.sec.gov) · CIK 0000709283 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2025-08-26
Fiscal Year End
Aug 26, 2025
Accession No.
0000709283-25-000027
Primary Document
qtm-20250331.htm
View on SEC EDGARDownload PDFFiling Index
Source: data.sec.gov · CIK 0000709283 · Accession 0000709283-25-000027

Latest Key Filings

10-QQuarterly Report
10-Q
2026-02-17
View 10-Q on SEC
8-KCurrent Report
8-K
2026-06-05Material Event
View 8-K on SEC
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

View Insider Trades Tab

SEC Filing History

Hide Form 4 / 144
8-KCurrent Report
8-K
2026-06-05
View
8-KCurrent Report
8-K
2026-06-02
View
SDSD
SD
2026-05-29
View
424B3424B3
424B3
2026-02-24
View
EFFECTEFFECT
EFFECT
2026-02-23
View
CORRESPCORRESP
CORRESP
2026-02-19
View
UPLOADUPLOAD
UPLOAD
2026-02-19
View
S-8Employee Stock Plan Registration
S-8
2026-02-19
View
S-1IPO Registration Statement
S-1
2026-02-19
View
10-QQuarterly Report
10-Q
2026-02-17
View
8-KCurrent Report
8-K
2026-02-17
View
3Initial Statement of Beneficial Ownership
FORM 3
2026-02-09
View
8-KCurrent Report
8-K
2026-02-02
View
8-KCurrent Report
8-K
2026-01-15
View
SCHEDULE 13D/ASCHEDULE 13D/A
SCHEDULE 13D/A
2026-01-12
View
Showing 1–15 of 588 filingsForm 4 / 144 hidden· 1001 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0000709283  |  Exchange: NASDAQ · Technology

Quantum Corporation (NASDAQ: QMCO) has submitted 1,001+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1999. As a Technology sector company with CIK 0000709283, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Quantum Corporation's most comprehensive regulatory disclosure. The most recent Quantum Corporation 10-K was filed on 2025-08-26 for fiscal year ending 2025. Historical QMCO 10-K annual reports are available from 2013 through 2025.

Investors researching Quantum Corporation SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08
Related Companies SEC Filings — Technology
ALOT SEC Filings →YIBO SEC Filings →UAVS SEC Filings →GAME SEC Filings →WBX SEC Filings →YXT SEC Filings →HOLO SEC Filings →UPLD SEC Filings →
→ QMCO Financials→ QMCO Earnings→ QMCO Insider Trades

Frequently Asked Questions

QMCO SEC Filings · 8 questions

Quantum Corporation (QMCO) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,001+ filings and access original documents at no cost. Quantum Corporation's CIK is 0000709283.

QMCO SEC filingsQuantum Corporation SEC documentsfind QMCO 10-K