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[EFFECT] QUANTUM CORP /DE/ SEC Filing

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: November 21, 2025 4:30 P.M.
Form: S-1
CIK: 0000709283
Company Name: QUANTUM CORP /DE/
File Number: 333-291568

Source: View Original Filing on SEC EDGAR

Quantum

NASDAQ:QMCO

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QMCO Rankings

#5282 Ranked by Market Cap
N/A Ranked by Dividends

QMCO Latest News

Feb 17, 2026
Quantum Reports Fiscal Third Quarter 2026 Financial Results
Feb 9, 2026
Quantum to Announce Fiscal Third Quarter 2026 Financial Results on February 17, 2026
Feb 2, 2026
Quantum Appoints William H. White as Chief Financial Officer
Jan 21, 2026
Telestream DIVA Now Certified with Quantum ActiveScale and ActiveScale Cold Storage
Jan 15, 2026
Quantum Announces Preliminary Fiscal Third Quarter 2026 Financial Results

QMCO Latest SEC Filings

Mar 4, 2026
[Form 4] QUANTUM CORP /DE/ Insider Trading Activity
Feb 24, 2026
[424B3] QUANTUM CORP /DE/ Prospectus Filed Pursuant to Rule 424(b)(3)
Feb 24, 2026
[EFFECT] QUANTUM CORP /DE/ SEC Filing
Feb 18, 2026
[S-1] QUANTUM CORP /DE/ Files IPO Registration Statement
Feb 17, 2026
[10-Q] QUANTUM CORP /DE/ Quarterly Earnings Report

QMCO Stock Data

77.58M
14.12M
Computer Hardware
Computer Storage Devices
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