Nasdaq · CIK 0000709283
QMCO QUANTUM CORP /DE/
Insider trading from SEC Form 4. Last filing 7 d ago. Close $30.43 on Oct 9, 2026, +606% from the 52-week low and -12% from the high.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
17
with a Form 4 at this company
Price and insider trades, last year
QMCOOct 9, 2026 · close 30.43
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at QUANTUM CORP /DE/, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 43Moderate | Hugues Meyrath President & CEO sell | $32k 2,975 shares | -11% | +269% from low-85% from high | |
| 23Weak | Laura A. Nash Chief Accounting Officer sell | $7,805 729 shares | -6% | +268% from low-85% from high | |
| 15Weak | Laura A. Nash Chief Accounting Officer sell | $2,101 284 shares | -2% | +149% from low-90% from high | |
| 30Weak | Brian E Cabrera SVP Chief Admin Ofcr & Secy sell | $10k 1,078 shares | -4% | +232% from low-86% from high | |
| 45Moderate | James J Lerner President & CEO sell | $27k 2,784 shares | -2% | +232% from low-86% from high | |
| 30Weak | Lewis W. Moorehead Chief Accounting Officer sell | $1,727 179 shares | -1% | +232% from low-86% from high | |
| 72Notable | Pacific Investment Management Co LLC owner sell | $9.9M 962,127 shares | -100% | +278% from low-84% from high | |
| 23Weak | Laura A. Nash Chief Accounting Officer sell | $1,747 136 shares | -1% | +343% from low-81% from high | |
| 27Weak | Kenneth P. Gianella Chief Financial Officer sell | $28k 1,279 shares | -4% | - | |
| 38Weak | Brian E Cabrera SVP Chief Admin Ofcr & Secy sell | $73k 2,287 shares | -8% | - | |
| 29Weak | Kenneth P. Gianella Chief Financial Officer sell | $53k 1,487 shares | -4% | - | |
| 35Weak | Brian E Cabrera SVP Chief Admin Ofcr & Secy sell | $24k 5,387 shares | -17% | - | |
| 37Weak | Kenneth P. Gianella Chief Financial Officer sell | $11k 2,590 shares | -7% | - | |
| 45Moderate | James J Lerner President & CEO sell | $29k 6,505 shares | -6% | - | |
| 30Weak | Laura A. Nash Chief Accounting Officer sell | $3,035 685 shares | -6% | - | |
| 30Weak | Henk Jan Spanjaard Chief Revenue Officer sell | $1,745 394 shares | -2% | - |
Transactions
The last 54 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | James C Clancy Chief Operating Officer | AGrant or award Common Stock | +150,000 | $0.00 | $0 | 163,000 | 7 d ago |
| Oct 1, 2026 | Anthony Craythorne Chief Revenue Officer | AGrant or award Employee Stock Option (right to buy)derivative | +200,000 | $0.00 | $0 | 200,000 | 7 d ago |
| Oct 1, 2026 | John Fichthorn director, owner | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 40,896 | 7 d ago |
| Oct 1, 2026 | Don Jaworksi director | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 51,675 | 7 d ago |
| Oct 1, 2026 | Hugues Meyrath President & CEO | AGrant or award Employee Stock Option (right to buy)derivative | +500,000 | $0.00 | $0 | 500,000 | 7 d ago |
| Oct 1, 2026 | Hiral Patel Chief Accounting Officer | AGrant or award Common Stock | +50,000 | $0.00 | $0 | 50,000 | 7 d ago |
| Oct 1, 2026 | John R. Tracy director | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 39,000 | 7 d ago |
| Oct 1, 2026 | Yue Zhou White director | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 53,139 | 7 d ago |
| Oct 1, 2026 | Tony J Blevins director | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 25,000 | 7 d ago |
| Oct 1, 2026 | James C Clancy Chief Operating Officer | AGrant or award Employee Stock Option (right to buy)derivative | +400,000 | $0.00 | $0 | 400,000 | 7 d ago |
| Jan 1, 2026 | Tony J Blevins director | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 13,000 | Jan 5, 2026 |
| Sep 23, 2025 | John Fichthorn director, owner | JOther Warrant (right to buy)derivativeindirect: by Dialectic Technology SPV LLC | +2,653,308 | - | - | 2,653,308 | Dec 29, 2025 |
| Dec 18, 2025 | John Fichthorn director, owner | JOther Convertible Notesderivativeindirect: by Dialectic Technology SPV LLC | +0 | - | - | 0 | Dec 29, 2025 |
| Dec 18, 2025 | Dialectic Technology SPV LLC owner | JOther Convertible Notesderivative | - | - | - | - | Dec 23, 2025 |
| Nov 1, 2025 | James C Clancy Chief Operating Officer | AGrant or award Common Stock | +1,000 | $0.00 | $0 | 1,000 | Nov 4, 2025 |
| Nov 1, 2025 | Hugues Meyrath President & CEO | AGrant or award Common Stock | +37,500 | $0.00 | $0 | 62,200 | Nov 4, 2025 |
| Nov 1, 2025 | Tony J Blevins director | AGrant or award Common Stock | +1,000 | $0.00 | $0 | 1,000 | Nov 4, 2025 |
| Nov 1, 2025 | Hugues Meyrath President & CEO | AGrant or award Employee Stock Option (right to buy)derivative | +50,000 | $0.00 | $0 | 50,000 | Nov 4, 2025 |
| Oct 2, 2025 | Hugues Meyrath President & CEO | SOpen-market sale Common Stock | -2,975 | $10.86 | $32k | 24,700 | Oct 3, 2025 |
| Oct 1, 2025 | Laura A. Nash Chief Accounting Officer | AGrant or award Common Stock | +500 | $0.00 | $0 | 11,868 | Oct 3, 2025 |
| Oct 1, 2025 | Laura A. Nash Chief Accounting Officer | SOpen-market sale Common Stock | -118 | $9.91 | $1,169 | 11,750 | Oct 3, 2025 |
| Oct 2, 2025 | Laura A. Nash Chief Accounting Officer | SOpen-market sale Common Stock | -611 | $10.86 | $6,635 | 11,139 | Oct 3, 2025 |
| Sep 12, 2025 | Laura A. Nash Chief Accounting Officer | SOpen-market sale Common Stock | -284 | $7.40 | $2,101 | 11,368 | Sep 17, 2025 |
| May 1, 2025 | John Fichthorn director | AGrant or award Common Stock | +4,405 | $0.00 | $0 | 15,271 | May 5, 2025 |
| Apr 21, 2025 | Brian E Cabrera SVP Chief Admin Ofcr & Secy | AGrant or award Common Stock | +1,874 | $0.00 | $0 | 29,814 | Apr 23, 2025 |
| Apr 21, 2025 | James J Lerner President & CEO | AGrant or award Common Stock | +5,828 | $0.00 | $0 | 113,632 | Apr 23, 2025 |
| Apr 21, 2025 | Lewis W. Moorehead Chief Accounting Officer | AGrant or award Common Stock | +333 | $0.00 | $0 | 25,150 | Apr 23, 2025 |
| Apr 21, 2025 | James J Lerner President & CEO | SOpen-market sale Common Stock | -2,784 | $9.65 | $27k | 110,848 | Apr 23, 2025 |
| Apr 21, 2025 | Lewis W. Moorehead Chief Accounting Officer | SOpen-market sale Common Stock | -179 | $9.65 | $1,727 | 24,971 | Apr 23, 2025 |
| Apr 21, 2025 | Brian E Cabrera SVP Chief Admin Ofcr & Secy | SOpen-market sale Common Stock | -1,078 | $9.65 | $10k | 28,736 | Apr 23, 2025 |
| Apr 15, 2025 | Pacific Investment Management Co LLC owner | SOpen-market sale Common Stockindirect: See Footnote | -962,127 | $10.25 | $9.9M | 0 | Apr 17, 2025 |
| Apr 2, 2025 | Laura A. Nash Chief Accounting Officer | SOpen-market sale Common Stock | -136 | $12.85 | $1,747 | 11,652 | Apr 4, 2025 |
| Feb 3, 2025 | Kenneth P. Gianella Chief Financial Officer | SOpen-market sale Common Stock | -1,279 | $21.53 | $28k | 32,402 | Feb 5, 2025 |
| Jan 16, 2025 | Kenneth P. Gianella Chief Financial Officer | SOpen-market sale Common Stock | -1,487 | $35.68 | $53k | 33,681 | Jan 17, 2025 |
| Nov 8, 2024 | Brian E Cabrera SVP Chief Admin Ofcr & Secy | SOpen-market sale Common Stock | -291 | $4.45 | $1,295 | 29,936 | Jan 17, 2025 |
| Jan 16, 2025 | Brian E Cabrera SVP Chief Admin Ofcr & Secy | SOpen-market sale Common Stock | -1,996 | $35.68 | $71k | 27,940 | Jan 17, 2025 |
| Nov 8, 2024 | Brian E Cabrera SVP Chief Admin Ofcr & Secy | SOpen-market sale Common Stock | -5,387 | $4.43 | $24k | 26,958 | Dec 5, 2024 |
| Nov 8, 2024 | Kenneth P. Gianella Chief Financial Officer | SOpen-market sale Common Stock | -2,590 | $4.43 | $11k | 33,910 | Dec 5, 2024 |
| Nov 8, 2024 | James J Lerner President & CEO | SOpen-market sale Common Stock | -6,505 | $4.43 | $29k | 107,491 | Dec 5, 2024 |
| Nov 8, 2024 | Laura A. Nash Chief Accounting Officer | SOpen-market sale Common Stock | -685 | $4.43 | $3,035 | 11,431 | Dec 5, 2024 |
| Nov 8, 2024 | Henk Jan Spanjaard Chief Revenue Officer | SOpen-market sale Common Stock | -394 | $4.43 | $1,745 | 15,662 | Dec 5, 2024 |
| Nov 1, 2024 | John R. Tracy director | AGrant or award Common Stock | +3,000 | $0.00 | $0 | 15,000 | Nov 5, 2024 |
| Oct 1, 2024 | Brian E Cabrera SVP Chief Admin Ofcr & Secy | AGrant or award Common Stock | +13,750 | $0.00 | $0 | 385,637 | Oct 21, 2024 |
| Oct 1, 2024 | Kenneth P. Gianella Chief Financial Officer | AGrant or award Common Stock | +17,750 | $0.00 | $0 | 392,750 | Oct 21, 2024 |
| Oct 1, 2024 | Don Jaworksi director | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 85,498 | Oct 21, 2024 |
| Oct 1, 2024 | James J Lerner President & CEO | AGrant or award Common Stock | +18,750 | $0.00 | $0 | 1,923,658 | Oct 21, 2024 |
| Oct 1, 2024 | Hugues Meyrath President & CEO | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 85,498 | Oct 21, 2024 |
| Oct 1, 2024 | Laura A. Nash Chief Accounting Officer | AGrant or award Common Stock | +7,500 | $0.00 | $0 | 99,804 | Oct 21, 2024 |
| Oct 1, 2024 | John R. Tracy director | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 12,000 | Oct 21, 2024 |
| Oct 1, 2024 | Yue Zhou White director | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 114,766 | Oct 21, 2024 |
| Oct 1, 2024 | Henk Jan Spanjaard Chief Revenue Officer | AGrant or award Common Stock | +10,000 | $0.00 | $0 | 131,112 | Oct 21, 2024 |
| Oct 1, 2024 | Don Jaworksi director | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 97,498 | Oct 21, 2024 |
| Oct 1, 2024 | Hugues Meyrath President & CEO | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 97,498 | Oct 21, 2024 |
| Oct 1, 2024 | Yue Zhou White director | AGrant or award Common Stock | +12,000 | $0.00 | $0 | 126,766 | Oct 21, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Tony J Blevinsdirector
- Brian E CabreraSVP Chief Admin Ofcr & Secy
- James C ClancyChief Operating Officer
- Anthony CraythorneChief Revenue Officer
- Dialectic Technology SPV LLCowner
- John Fichthorndirector, owner
- Kenneth P. GianellaChief Financial Officer
- Don Jaworksidirector
- James J LernerPresident & CEO
- Hugues MeyrathPresident & CEO
- Lewis W. MooreheadChief Accounting Officer
- Laura A. NashChief Accounting Officer
- Pacific Investment Management Co LLCdirector, owner
- Hiral PatelChief Accounting Officer
- Henk Jan SpanjaardChief Revenue Officer
- John R. Tracydirector
- Yue Zhou Whitedirector
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.