| $255M | ||
| $48M | ||
| $38M | ||
| $37M | ||
| $34M | ||
| $34M |
Buys | $0 | 0 | 0 |
Sells | $84,680 | 4 | 100 |
| Nash Laura A. | Chief Accounting Officer | 0 | $0 | 2 | $3,326 | $-3,326 |
| Craythorne Anthony | Chief Revenue Officer | 0 | $0 | 1 | $15,856 | $-15,856 |
| Meyrath Hugues | President & CEO | 0 | $0 | 1 | $65,498 | $-65,498 |
Quantum Corporation is a global technology provider, delivering specialized solutions for the storage and management of digital video and various forms of unstructured data across the Americas, Europe, the Middle East, Africa, and the Asia Pacific. The company's offerings include: CatDV, a robust platform for media asset management (MAM) that streamlines workflows, automates processes, and enhances collaboration for organizations handling large volumes of digital media. StorNext software systems, designed to facilitate high-speed ingest, …
Over the last 12 months, insiders at Quantum Corporation have bought $0 and sold $84,680 worth of Quantum Corporation stock.
On average, over the past 5 years, insiders at Quantum Corporation have bought $0 and sold $6.32M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 8,767 shares for transaction amount of $49,972 was made by RAU RAGHAVENDRA (director) on 2021‑08‑12.
| 2026-08-03 | Sale | Craythorne Anthony | Chief Revenue Officer | 1,478 0.0104% | $10.73 | $15,856 | +122.73% | |
| 2026-07-02 | Sale | Meyrath Hugues | President & CEO | 6,232 0.1032% | $10.51 | $65,498 | +113.56% | |
| 2026-07-02 | Sale | Nash Laura A. | Chief Accounting Officer | 260 0.0043% | $10.51 | $2,733 | +113.56% | |
| 2026-04-02 | Sale | Nash Laura A. | Chief Accounting Officer | 109 0.0019% | $5.44 | $593 | +122.62% | |
| 2025-10-02 | Sale | Meyrath Hugues | President & CEO | 2,975 0.0521% | $10.86 | $32,309 | -19.41% | |
| 2025-10-02 | Sale | Nash Laura A. | Chief Accounting Officer | 611 0.0107% | $10.86 | $6,635 | -19.41% | |
| 2025-10-01 | Sale | Nash Laura A. | Chief Accounting Officer | 118 0.0019% | $9.91 | $1,169 | -19.19% | |
| 2025-09-12 | Sale | Nash Laura A. | Chief Accounting Officer | 284 0.0046% | $7.40 | $2,101 | +15.08% | |
| 2025-04-21 | Sale | Lerner James J | President & CEO | 2,784 0.0409% | $9.65 | $26,862 | -19.61% | |
| 2025-04-21 | Sale | Cabrera Brian E | SVP Chief Admin Ofcr & Secy | 1,078 0.0158% | $9.65 | $10,401 | -19.61% | |
| 2025-04-21 | Sale | Moorehead Lewis W. | Chief Accounting Officer | 179 0.0026% | $9.65 | $1,727 | -19.61% | |
| 2025-04-15 | Sale | PACIFIC INVESTMENT MANAGEMENT CO LLC | 10 percent owner | 962,127 15.0253% | $10.25 | $9.86M | -28.79% | |
| 2025-02-03 | Sale | Gianella Kenneth P. | Chief Financial Officer | 1,279 0.0212% | $21.53 | $27,536 | -55.66% | |
| 2025-01-16 | Sale | Lerner James J | President & CEO | 2,511 0.0489% | $35.68 | $89,592 | -74.28% | |
| 2025-01-16 | Sale | Gianella Kenneth P. | Chief Financial Officer | 1,487 0.0289% | $35.68 | $53,056 | -74.28% | |
| 2025-01-16 | Sale | Cabrera Brian E | SVP Chief Admin Ofcr & Secy | 1,996 0.0389% | $35.68 | $71,217 | -74.28% | |
| 2025-01-16 | Sale | Spanjaard Henk Jan | Chief Revenue Officer | 935 0.0182% | $35.68 | $33,361 | -74.28% | |
| 2025-01-03 | Sale | PACIFIC INVESTMENT MANAGEMENT CO LLC | 10 percent owner | 228,195 5.4496% | $61.52 | $14.04M | -81.09% | |
| 2024-11-08 | Sale | Lerner James J | President & CEO | 3,681 0.0788% | $4.43 | $16,307 | +149.44% | |
| 2024-11-08 | Sale | Gianella Kenneth P. | Chief Financial Officer | 1,332 0.0285% | $4.43 | $5,901 | +149.44% |
| B. Riley Financial, Inc. | 10 percent owner | 2248511 5.7054% | $39.73M | 35 | 2 | +57.38% |
| BRITTS WILLIAM C | SVP, Worldwide Sales & Mktg. | 1204775 3.057% | $21.29M | 1 | 8 | <0.0001% |
| DODSON J MICHAEL | Senior Vice President, CFO | 870372 2.2085% | $15.38M | 1 | 10 | +8.64% |
| Starboard Value LP | 10 percent owner | 782771 1.9862% | $13.83M | 4 | 7 | +8.11% |
| BELLUZZO RICHARD | director | 637185 1.6168% | $11.26M | 1 | 10 | +141.94% |
| Powers Gregg J | director | 586500 1.4882% | $10.36M | 2 | 0 | <0.0001% |
| Auvil Paul R. III | director | 554030 1.4058% | $9.79M | 3 | 0 | <0.0001% |
| Stinson Theodore A. | SVP, Worldwide Sales | 480000 1.218% | $8.48M | 2 | 0 | <0.0001% |
| Stedman Geoff G. | SVP, StorNext Solutions | 406590 1.0317% | $7.18M | 2 | 0 | <0.0001% |
| GACEK JON W | President and CEO | 401414 1.0186% | $7.09M | 3 | 6 | +2.77% |
| FULLER DALE L | director | 233890 0.5935% | $4.13M | 2 | 0 | <0.0001% |
| RAU RAGHAVENDRA | director | 190281 0.4828% | $3.36M | 1 | 0 | <0.0001% |
| FICHTHORN JOHN | director | 154740 0.3926% | $2.73M | 4 | 1 | <0.0001% |
| Rothman Marc E | director | 136977 0.3476% | $2.42M | 1 | 0 | <0.0001% |
| Lerner James J | President & CEO | 110848 0.2813% | $1.96M | 1 | 14 | +8.64% |
| ESBER EDWARD M | director | 92135 0.2338% | $1.63M | 2 | 3 | +113.56% |
| Moorehead Lewis W. | Chief Accounting Officer | 24971 0.0634% | $441,237.57 | 1 | 10 | <0.0001% |
$329,602,573 | 131 | -42.65% | $1.25B | |
$18,533,637 | 89 | 31.25% | $453.58M | |
$13,691,648 | 74 | 9.59% | $64.22M | |
Quantum Corporation (QMCO) | $30,163,251 | 66 | 30.00% | $696.37M |
$1,776,254 | 55 | 37.74% | $54.41M |
| Increased Positions | 31 | +110.71% | 1M | +135.59% |
| Decreased Positions | 13 | -46.43% | 52,425 | -6.06% |
| New Positions | 18 | New | 590,921 | New |
| Sold Out Positions | 7 | Sold Out | 17,864 | Sold Out |
| Total Postitions | 46 | +64.29% | 2M | +129.53% |
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| Blackrock, Inc. | $1,136.00 | 1.16% | 162,338 | +21,027 | +14.88% | 2025-09-30 |
| Geode Capital Management, Llc | $556.00 | 0.57% | 79,427 | +10,043 | +14.47% | 2025-09-30 |
| Alphaquest Llc | $249.00 | 0.25% | 35,536 | +30,829 | +654.96% | 2025-09-30 |
| State Street Corp | $191.00 | 0.2% | 27,347 | 0 | 0% | 2025-09-30 |
| Royal Bank Of Canada | $159.00 | 0.16% | 22,715 | +3,362 | +17.37% | 2025-09-30 |
| Flagship Harbor Advisors, Llc | $159.00 | 0.16% | 22,710 | +22,710 | New | 2025-09-30 |
| Northern Trust Corp | $82.00 | 0.08% | 11,687 | 0 | 0% | 2025-09-30 |
| Riverview Capital Advisers, Llc | $70.00 | 0.07% | 10,000 | +10,000 | New | 2025-09-30 |