Quantum Corp /De/ (QMCO) Insider Ownership

Historic Insider Ownership Trends

QMCO's three largest insider shareholders as of April 28, 2026 are J Michael Dodson (Senior Vice President, Cfo, 870.37K shares), John Hurley (Chief Revenue Officer, 341.52K shares), Marc E Rothman (Director, 297.62K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
J Michael Dodson Senior Vice President, Cfo 870,372 0 06 Oct, 2022
John Hurley Chief Revenue Officer 341,519 0 06 Sep, 2023
Marc E Rothman - 297,625 0 06 Sep, 2022
Elizabeth King Chief Revenue Officer 285,114 0 08 Jul, 2021
Raghavendra Rau Executive Chairman 257,874 0 26 Apr, 2022
Rebecca Jacoby - 158,624 0 06 Sep, 2022
Hugues Meyrath President Ceo 124,700 0 05 Jan, 2026
James J Lerner President Ceo 110,848 0 23 Apr, 2025
Yue Zhou White - 41,139 0 05 Jan, 2026
Don Jaworksi - 39,675 0 05 Jan, 2026
Kenneth P. Gianella Chief Financial Officer 32,402 0 05 Feb, 2025
Brian E Cabrera Svp Chief Admin Ofcr Secy 28,736 0 23 Apr, 2025
John Fichthorn - 27,271 0 05 Jan, 2026
John R. Tracy - 27,000 0 05 Jan, 2026
William Hillis White Chief Financial Officer 25,000 0 04 Mar, 2026
Lewis W. Moorehead Chief Accounting Officer 24,971 0 23 Apr, 2025
Anthony Craythorne Chief Revenue Officer 15,000 0 05 Jan, 2026
Henk Jan Spanjaard Chief Revenue Officer 14,903 0 17 Jan, 2025
Tony J Blevins - 13,000 0 05 Jan, 2026
James C Clancy - 13,000 0 05 Jan, 2026
Laura A. Nash Chief Accounting Officer 11,030 0 03 Apr, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
01 Apr, 2026 Hugues Meyrath Employee Stock Option (right to buy) A 850,000 $0.00 850,000 D A
01 Apr, 2026 Anthony Craythorne Employee Stock Option (right to buy) A 148,500 $0.00 148,500 D A
02 Apr, 2026 Laura A. Nash Common Stock D 109 $5.44 11,030 D S
01 Apr, 2026 Laura A. Nash Employee Stock Option (right to buy) A 49,500 $0.00 49,500 D A
04 Mar, 2026 William Hillis White Common Stock A 25,000 $0.00 25,000 D A
01 Jan, 2026 Tony J Blevins Common Stock A 12,000 $0.00 13,000 D A
01 Jan, 2026 Don Jaworksi Common Stock A 12,000 $0.00 39,675 D A
01 Jan, 2026 John R. Tracy Common Stock A 12,000 $0.00 27,000 D A
01 Jan, 2026 John Fichthorn Common Stock A 12,000 $0.00 27,271 D A
01 Jan, 2026 James C Clancy Common Stock A 12,000 $0.00 13,000 D A
01 Jan, 2026 Anthony Craythorne Common Stock A 15,000 $0.00 15,000 D A
01 Jan, 2026 Yue Zhou White Common Stock A 12,000 $0.00 41,139 D A
01 Jan, 2026 Hugues Meyrath Common Stock A 62,500 $0.00 124,700 D A
01 Jan, 2026 Hugues Meyrath Employee Stock Option (right to buy) A 50,000 $0.00 50,000 D A
01 Nov, 2025 Tony J Blevins Common Stock A 1,000 $0.00 1,000 D A
01 Nov, 2025 Hugues Meyrath Common Stock A 37,500 $0.00 62,200 D A
01 Nov, 2025 James C Clancy Common Stock A 1,000 $0.00 1,000 D A
01 Nov, 2025 Hugues Meyrath Employee Stock Option (right to buy) A 50,000 $0.00 50,000 D A
02 Oct, 2025 Hugues Meyrath Common Stock D 2,975 $10.86 24,700 D S
01 Oct, 2025 Laura A. Nash Common Stock A 500 $0.00 11,868 D A