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CIK 0000709283 · Accelerated filer<br>Smaller reporting company

QUANTUM CORP /DE/

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Ticker
QMCO
Exchange
Nasdaq
Industry
Computer Storage Devices
FY end
Mar 31
Incorporated
DE
Entity type
operating
EIN
942665054
Phone
408 944 4000
Business address
10770 E. BRIARWOOD AVE, CENTENNIAL, CO, 80112
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-06-01 Dialectic Technology SPV LLC 10% owner Other acquisition · Warrant (right to buy) +105,911 105,911
2026-04-02 Nash Laura A. Chief Accounting Officer Sale −109 $5.44 $593 11,030
2026-04-01 Nash Laura A. Chief Accounting Officer Grant or award · Employee Stock Option (right to buy) +49,500 49,500
2026-04-01 Craythorne Anthony Chief Revenue Officer Grant or award · Employee Stock Option (right to buy) +148,500 148,500
2026-04-01 Meyrath Hugues President & CEO Grant or award · Employee Stock Option (right to buy) +850,000 850,000
2026-03-04 White William Hillis Chief Financial Officer Grant or award +25,000 25,000
2026-01-01 Craythorne Anthony Chief Revenue Officer Grant or award +15,000 15,000
2026-01-01 Meyrath Hugues President & CEO Grant or award +62,500 124,700
2026-01-01 Meyrath Hugues President & CEO Grant or award · Employee Stock Option (right to buy) +50,000 50,000
2026-01-01 White Yue Zhou Director Grant or award +12,000 41,139
2026-01-01 Clancy James C Director Grant or award +12,000 13,000
2026-01-01 Blevins Tony J Director Grant or award +12,000 13,000
2026-01-01 Jaworksi Don Director Grant or award +12,000 39,675
2026-01-01 FICHTHORN JOHN Director Grant or award +12,000 27,271
2026-01-01 Tracy John R. Director Grant or award +12,000 27,000
2025-12-18 FICHTHORN JOHN Director Other acquisition · Convertible Notes +0 0
2025-12-18 Dialectic Technology SPV LLC 10% owner Other acquisition · Convertible Notes +0
2025-11-01 Clancy James C Director Grant or award +1,000 1,000
2025-11-01 Blevins Tony J Director Grant or award +1,000 1,000
2025-11-01 Meyrath Hugues President & CEO Grant or award +37,500 62,200

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