QMCO Insider Trading
QUANTUM CORP /DE/ | Computer Storage Devices
Comprehensive Trading Performance Summary
The investment history of corporate insiders at QUANTUM CORP /DE/ provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Computer Storage Devices sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2026-04-03 20:15 | 2026-04-02 | Nash Laura A. | Officer - Chief Accounting Officer | SELL | $5.44 | 109 | $593 | 11,030 | -1.0% |
| 2025-10-03 23:42 | 2025-10-01 | Nash Laura A. | Officer - Chief Accounting Officer | SELL | $10.71 | 729 | $7,805 | 11,139 | -6.1% |
| 2025-10-04 00:22 | 2025-10-02 | Meyrath Hugues | Director, Officer - President & CEO | SELL | $10.86 | 2,975 | $32,309 | 24,700 | -10.7% |
| 2025-09-18 01:29 | 2025-09-12 | Nash Laura A. | Officer - Chief Accounting Officer | SELL | $7.40 | 284 | $2,101 | 11,368 | -2.4% |
| 2025-04-24 00:14 | 2025-04-21 | Lerner James J | Director, Officer - President & CEO | SELL | $9.65 | 2,784 | $26,862 | 110,848 | -2.5% |
| 2025-04-24 00:14 | 2025-04-21 | Moorehead Lewis W. | Officer - Chief Accounting Officer | SELL | $9.65 | 179 | $1,727 | 24,971 | -0.7% |
| 2025-04-24 00:14 | 2025-04-21 | Cabrera Brian E | Officer - SVP Chief Admin Ofcr & Secy | SELL | $9.65 | 1,078 | $10,401 | 28,736 | -3.6% |
| 2025-04-17 23:05 | 2025-04-15 | PACIFIC INVESTMENT MANAGEMENT CO LLC | 10% owner | SELL | $10.25 | 962,127 | $9,861,802 | 0 | -100.0% |
| 2025-04-04 23:37 | 2025-04-02 | Nash Laura A. | Officer - Chief Accounting Officer | SELL | $12.85 | 136 | $1,747 | 11,652 | -1.2% |
| 2025-02-06 00:48 | 2025-02-03 | Gianella Kenneth P. | Officer - Chief Financial Officer | SELL | $21.53 | 1,279 | $27,536 | 32,402 | -3.8% |
| 2025-01-18 05:35 | 2025-01-16 | Spanjaard Henk Jan | Officer - Chief Revenue Officer | SELL | $35.68 | 935 | $33,361 | 14,903 | -5.9% |
| 2025-01-18 05:22 | 2024-11-08 | Spanjaard Henk Jan | Officer - Chief Revenue Officer | SELL | $4.43 | 218 | $966 | 15,838 | -1.4% |
| 2025-01-18 05:26 | 2024-11-08 | Nash Laura A. | Officer - Chief Accounting Officer | SELL | $4.43 | 328 | $1,453 | 11,788 | -2.7% |
| 2025-01-18 05:31 | 2025-01-16 | Gianella Kenneth P. | Officer - Chief Financial Officer | SELL | $35.68 | 1,487 | $53,056 | 33,681 | -4.2% |
| 2025-01-18 05:18 | 2024-11-08 | Gianella Kenneth P. | Officer - Chief Financial Officer | SELL | $4.43 | 1,332 | $5,901 | 35,168 | -3.6% |
| 2025-01-18 05:37 | 2025-01-16 | Lerner James J | Director, Officer - President & CEO | SELL | $35.68 | 2,511 | $89,592 | 107,804 | -2.3% |
| 2025-01-18 05:24 | 2024-11-08 | Lerner James J | Director, Officer - President & CEO | SELL | $4.43 | 3,681 | $16,307 | 110,315 | -3.2% |
| 2025-01-18 05:29 | 2024-11-08 | Cabrera Brian E | Officer - SVP Chief Admin Ofcr & Secy | SELL | $31.71 | 2,287 | $72,512 | 27,940 | -7.6% |
| 2025-01-18 05:17 | 2024-11-08 | Cabrera Brian E | Officer - SVP Chief Admin Ofcr & Secy | SELL | $4.43 | 2,118 | $9,383 | 30,227 | -6.5% |
| 2025-01-08 02:14 | 2025-01-03 | PACIFIC INVESTMENT MANAGEMENT CO LLC | 10% owner | SELL | $61.52 | 228,195 | $14,038,556 | 962,127 | -19.2% |
| 2024-12-06 00:15 | 2024-11-08 | Spanjaard Henk Jan | Officer - Chief Revenue Officer | SELL | $4.43 | 394 | $1,745 | 15,662 | -2.5% |
| 2024-12-06 00:14 | 2024-11-08 | Nash Laura A. | Officer - Chief Accounting Officer | SELL | $4.43 | 685 | $3,035 | 11,431 | -5.7% |
| 2024-12-06 00:15 | 2024-11-08 | Gianella Kenneth P. | Officer - Chief Financial Officer | SELL | $4.43 | 2,590 | $11,474 | 33,910 | -7.1% |
| 2024-12-06 00:15 | 2024-11-08 | Lerner James J | Director, Officer - President & CEO | SELL | $4.43 | 6,505 | $28,817 | 107,491 | -5.7% |
| 2024-12-06 00:14 | 2024-11-08 | Cabrera Brian E | Officer - SVP Chief Admin Ofcr & Secy | SELL | $4.43 | 5,387 | $23,864 | 26,958 | -16.7% |
| 2023-11-03 23:38 | 2023-11-02 | Cabrera Brian E | Officer - SVP Chief Admin Ofcr & Secy | SELL | $0.47 | 5,543 | $2,586 | 221,887 | -2.4% |
| 2023-10-13 00:43 | 2023-10-10 | Lerner James J | Director, Officer - President & CEO | SELL | $0.60 | 36,045 | $21,775 | 1,704,908 | -2.1% |
| 2023-10-06 20:36 | 2023-10-04 | Nash Laura A. | Officer - Chief Accounting Officer | SELL | $0.59 | 888 | $527 | 67,304 | -1.3% |
| 2023-10-06 20:36 | 2023-10-04 | Cabrera Brian E | Officer - SVP Chief Admin Ofcr & Secy | SELL | $0.59 | 942 | $559 | 227,430 | -0.4% |
| 2023-09-06 23:24 | 2023-09-05 | Hurley John | Officer - Chief Revenue Officer | SELL | $0.62 | 42,662 | $26,455 | 341,519 | -11.1% |
| 2023-07-12 23:26 | 2023-07-10 | Nash Laura A. | Officer - Chief Accounting Officer | SELL | $1.07 | 3,600 | $3,845 | 68,192 | -5.0% |
| 2023-07-12 23:27 | 2023-07-10 | Hurley John | Officer - Chief Revenue Officer | SELL | $1.07 | 22,681 | $24,223 | 384,181 | -5.6% |
| 2023-07-12 23:28 | 2023-07-10 | Lerner James J | Director, Officer - President & CEO | SELL | $1.07 | 158,893 | $169,698 | 1,740,953 | -8.4% |
| 2023-07-12 23:32 | 2023-07-10 | Cabrera Brian E | Officer - SVP Chief Admin Ofcr & Secy | SELL | $1.07 | 15,674 | $16,740 | 228,372 | -6.4% |
| 2023-05-05 00:54 | 2023-05-02 | Cabrera Brian E | Officer - SVP Chief Admin Ofcr & Secy | SELL | $0.95 | 30,915 | $29,372 | 244,046 | -11.2% |
| 2022-11-03 23:07 | 2022-11-02 | Cabrera Brian E | Officer - SVP Chief Admin Ofcr & Secy | SELL | $1.39 | 863 | $1,200 | 274,961 | -0.3% |
| 2022-10-13 02:13 | 2022-10-11 | Lerner James J | Director, Officer - President & CEO | SELL | $1.15 | 32,888 | $37,821 | 1,894,811 | -1.7% |
| 2022-10-13 02:13 | 2022-10-11 | Moorehead Lewis W. | Officer - Chief Accounting Officer | SELL | $1.15 | 2,370 | $2,726 | 201,553 | -1.2% |
| 2022-10-07 21:55 | 2022-10-05 | Cabrera Brian E | Officer - SVP Chief Admin Ofcr & Secy | SELL | $1.26 | 724 | $915 | 250,824 | -0.3% |
| 2022-10-07 21:55 | 2022-10-05 | DODSON J MICHAEL | Officer - Senior Vice President, CFO | SELL | $1.26 | 11,346 | $14,341 | 870,372 | -1.3% |
| 2022-09-13 03:35 | 2022-09-09 | Lerner James J | Director, Officer - President & CEO | SELL | $1.57 | 36,251 | $56,900 | 1,927,699 | -1.8% |
| 2022-09-13 03:36 | 2022-09-09 | Moorehead Lewis W. | Officer - Chief Accounting Officer | SELL | $1.57 | 8,416 | $13,210 | 203,923 | -4.0% |
| 2022-09-13 03:35 | 2022-09-09 | DODSON J MICHAEL | Officer - Senior Vice President, CFO | SELL | $1.57 | 34,821 | $54,655 | 881,718 | -3.8% |
| 2022-09-08 00:23 | 2022-09-06 | Hurley John | Officer - Chief Revenue Officer | SELL | $1.51 | 28,352 | $42,687 | 400,981 | -6.6% |
| 2022-07-26 00:04 | 2022-07-21 | Moorehead Lewis W. | Officer - Chief Accounting Officer | SELL | $1.87 | 5,911 | $11,034 | 210,762 | -2.7% |
| 2022-07-19 22:56 | 2022-07-15 | Lerner James J | Director, Officer - President & CEO | SELL | $1.41 | 62,152 | $87,616 | 1,962,993 | -3.1% |
| 2022-07-12 18:15 | 2022-07-08 | DODSON J MICHAEL | Officer - Senior Vice President, CFO | SELL | $1.46 | 32,817 | $47,913 | 916,539 | -3.5% |
| 2022-05-09 23:17 | 2022-05-05 | Cabrera Brian E | Officer - Chief Legal & Ofcr; Corp Secy | SELL | $1.88 | 20,952 | $39,459 | 164,048 | -11.3% |
| 2022-01-11 02:12 | 2022-01-07 | Lerner James J | Director, Officer - President & CEO | SELL | $5.37 | 39,670 | $212,857 | 1,667,656 | -2.3% |
| 2022-01-11 02:12 | 2022-01-07 | Moorehead Lewis W. | Officer - Chief Accounting Officer | SELL | $5.37 | 3,539 | $18,989 | 185,469 | -1.9% |
How to Interpret $QMCO Trades
Not every insider transaction in QUANTUM CORP /DE/ is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $QMCO shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for QMCO
Insider activity data for QUANTUM CORP /DE/ is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $QMCO, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.