Quantum Corp /DE/

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Quantum Corp /DE/
CIK #0000709283
EDGAR Form CIK 2011 - 2026
10-K [0000709283]
10-Q [0000709283]
3 [0000709283]
4 [0000709283]
8-K [0000709283]
SC 13D [0000709283]
SC 13G [0000709283]
Form 13D/13G Filer Form 13D/13G Subject Filed
Dialectic Technology SPV LLC Quantum Corp /DE/ [2025-10-10]
Blue Torch Capital LP Quantum Corp /DE/ [2025-01-06]
Vanguard Group Inc Quantum Corp /DE/ [2024-02-13]
ADK SoHo Fund LP Quantum Corp /DE/ [2023-12-04]
Long Focus Capital Management LLC Quantum Corp /DE/ [2023-05-11]
Pacific Investment Management Co LLC Quantum Corp /DE/ [2022-03-28]
BlackRock Inc Quantum Corp /DE/ [2022-03-11]
BlackRock Inc Quantum Corp /DE/ [2022-02-08]
Senvest Management LLC Quantum Corp /DE/ [2021-11-18]
Neuberger Berman Group LLC Quantum Corp /DE/ [2021-04-08]
View All
Form 3/4/5 Subject 2011 - 2026
Quantum Corp /DE/
Nash Laura A
Meyrath Hugues
Dialectic Technology SPV LLC
Fichthorn John
Craythorne Anthony
White William Hillis
White Yue Zhou
Jaworksi Don
Clancy James C
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Quantum Corp /DE/ QMCO
Common Stock
2026-03-04 Grant 25,000 $0.00
Quantum Corp /DE/ QMCO
Employee Stock Option (right to buy) · derivative
2026-01-01 Grant 50,000 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2026-01-01 Grant 15,000 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2026-01-01 Grant 62,500 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2026-01-01 Grant 12,000 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2026-01-01 Grant 12,000 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2026-01-01 Grant 12,000 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2026-01-01 Grant 12,000 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2026-01-01 Grant 12,000 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2026-01-01 Grant 12,000 $0.00
Quantum Corp /DE/ QMCO
Convertible Notes · derivative
2025-12-18 Other 0
Quantum Corp /DE/ QMCO
Convertible Notes · derivative
2025-12-18 Other
Quantum Corp /DE/ QMCO
Common Stock
2025-11-01 Grant 1,000 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2025-11-01 Grant 1,000 $0.00
Quantum Corp /DE/ QMCO
Employee Stock Option (right to buy) · derivative
2025-11-01 Grant 50,000 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2025-11-01 Grant 37,500 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2025-10-02 Sell 611 $10.86 6,635
Quantum Corp /DE/ QMCO
Common Stock
2025-10-02 Sell 2,975 $10.86 32,308
Quantum Corp /DE/ QMCO
Common Stock
2025-10-01 Grant 500 $0.00
Quantum Corp /DE/ QMCO
Common Stock
2025-10-01 Sell 118 $9.91 1,169
showing 20 of 200 most recent transactions
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