QMCO insider transaction filings

QUANTUM CORP /DE/ — 32 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-05. Screen QMCO transaction legs live →

FiledFormInsiderReported transactionsSource
2026-08-054Craythorne Anthony — Chief Revenue OfficerSale (S): 1,478 @ $10.73EDGAR
2026-07-074Nash Laura A. — Chief Accounting OfficerSale (S): 260 @ $10.51EDGAR
2026-07-074Meyrath Hugues — President & CEO, DirectorSale (S): 6,232 @ $10.51EDGAR
2026-06-084Dialectic Technology SPV LLC — 10% ownerConversion (C): 11,020,645 @ $5.19 · Grant/award (A): 3,083,975 @ $5.19 · Other (J): 105,911 (derivative) · Conversion (C)EDGAR
2026-06-084FICHTHORN JOHN — Director, 10% ownerConversion (C): 11,020,645 @ $5.19 · Grant/award (A): 3,083,975 @ $5.19 · Other (J): 105,911 (derivative) · Conversion (C): 57,241,228 (derivative)EDGAR
2026-04-034Craythorne Anthony — Chief Revenue OfficerGrant/award (A): 148,500 (derivative) @ $0EDGAR
2026-04-034Nash Laura A. — Chief Accounting OfficerSale (S): 109 @ $5.44 · Grant/award (A): 49,500 (derivative) @ $0EDGAR
2026-04-034Meyrath Hugues — President & CEO, DirectorGrant/award (A): 850,000 (derivative) @ $0EDGAR
2026-03-044White William Hillis — Chief Financial OfficerGrant/award (A): 25,000 @ $0EDGAR
2026-01-054Clancy James C — DirectorGrant/award (A): 12,000 @ $0EDGAR
2026-01-054Blevins Tony J — DirectorGrant/award (A): 12,000 @ $0EDGAR
2026-01-054Craythorne Anthony — Chief Revenue OfficerGrant/award (A): 15,000 @ $0EDGAR
2026-01-054Tracy John R. — DirectorGrant/award (A): 12,000 @ $0EDGAR
2026-01-054Jaworksi Don — DirectorGrant/award (A): 12,000 @ $0EDGAR
2026-01-054White Yue Zhou — DirectorGrant/award (A): 12,000 @ $0EDGAR
2026-01-054Meyrath Hugues — President & CEO, DirectorGrant/award (A): 62,500 @ $0 · Grant/award (A): 50,000 (derivative) @ $0EDGAR
2026-01-054FICHTHORN JOHN — Director, 10% ownerGrant/award (A): 12,000 @ $0EDGAR
2025-12-294FICHTHORN JOHN — Director, 10% ownerOther (J): 2,653,308 (derivative) · Other (J): 0 (derivative)EDGAR
2025-12-234Dialectic Technology SPV LLC — 10% ownerOther (J)EDGAR
2025-11-044Clancy James C — DirectorGrant/award (A): 1,000 @ $0EDGAR
2025-11-044Blevins Tony J — DirectorGrant/award (A): 1,000 @ $0EDGAR
2025-11-044Meyrath Hugues — President & CEO, DirectorGrant/award (A): 37,500 @ $0 · Grant/award (A): 50,000 (derivative) @ $0EDGAR
2025-10-034Nash Laura A. — Chief Accounting OfficerGrant/award (A): 500 @ $0 · Sale (S): 118 @ $9.91 · Sale (S): 611 @ $10.86EDGAR
2025-10-034Meyrath Hugues — President & CEO, DirectorSale (S): 2,975 @ $10.86EDGAR
2025-09-174Nash Laura A. — Chief Accounting OfficerSale (S): 284 @ $7.40EDGAR
2025-05-054FICHTHORN JOHN — DirectorGrant/award (A): 4,405 @ $0EDGAR
2025-04-234Lerner James J — President & CEO, DirectorGrant/award (A): 5,828 @ $0 · Sale (S): 2,784 @ $9.65EDGAR
2025-04-234Moorehead Lewis W. — Chief Accounting OfficerGrant/award (A): 333 @ $0 · Sale (S): 179 @ $9.65EDGAR
2025-04-234Cabrera Brian E — SVP Chief Admin Ofcr & SecyGrant/award (A): 1,874 @ $0 · Sale (S): 1,078 @ $9.65EDGAR
2025-04-174PACIFIC INVESTMENT MANAGEMENT CO LLC — 10% ownerSale (S): 962,127 @ $10.25EDGAR
2025-04-044Nash Laura A. — Chief Accounting OfficerSale (S): 136 @ $12.85EDGAR
2025-02-054Gianella Kenneth P. — Chief Financial OfficerSale (S): 1,279 @ $21.53EDGAR

Recent 8-K events — QUANTUM CORP /DE/

FiledFormItems reportedSource
2026-08-148-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2026-08-108-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-258-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-058-K1.02 — Termination of a Material Definitive Agreement
?
8.01 — Other Events
EDGAR
2026-06-028-K1.01 — Entry into a Material Definitive Agreement
2.02 — Results of Operations and Financial Condition
2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
3.02 — Unregistered Sales of Equity Securities
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-178-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-028-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-01-158-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-12-188-K1.01 — Entry into a Material Definitive Agreement
2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
3.02 — Unregistered Sales of Equity Securities
5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits
EDGAR
2025-11-138-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
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