Quantum Corporation Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- COVER
Financial Statements
Notes to Financial Statements
Accounting Policies
- DESCRIPTION OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

COMMON STOCK - Narrative (Details)

v3.26.3

COMMON STOCK - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions						3 Months Ended		6 Months Ended
	Sep. 01, 2026	Aug. 01, 2026	Jun. 04, 2026	Apr. 01, 2026	Jan. 25, 2025	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2025	Mar. 31, 2026
Share-based Compensation Arrangement by Share-based Payment Award
Common stock, par value (in dollars per share)						$ 0.01			$ 0.01
Private Placement
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares issued in transaction (in shares)			10,615,712
Common stock, par value (in dollars per share)			$ 0.01
Sale of stock (in dollars per share)			$ 9.42
Sale of stock, gross consideration received on transaction			$ 100.0
Proceeds from the sales of stock			$ 94.3
Standby Equity Purchase Agreement
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares issued in transaction (in shares)						6,320,000
Shares authorized for issuance					$ 200.0
Proceeds from the sales of stock						$ 67.0
Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Grants in period, net of forfeitures (in shares)	80,000	20,000		1,508,650			0	0

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