QMCO · Quantum Corporation Common Stock
View on chartInsiders & Stakes
| Dialectic Technology SPV LLC | ▲ Buy | Grant | 14,104,620 Shares held | 6/4/2026 | View profile |
| DODSON J MICHAEL Senior Vice President, CFO | ▼ Sell | Open Market | 870,372 Shares held | 10/5/2022 | View profile |
| Hurley John Chief Revenue Officer | ▼ Sell | Open Market | 341,519 Shares held | 9/5/2023 | View profile |
| Rothman Marc E Director | ▲ Buy | Grant | 297,625 Shares held | 9/1/2022 | View profile |
| RAU RAGHAVENDRA Director | ▼ Sell | Other | 257,874 Shares held | 4/22/2022 | View profile |
| James C. Clancy Chief Operating Officer | ▲ Buy | Grant | 163,000 Shares held | 10/1/2026 | View profile |
| Jacoby Rebecca Director | ▲ Buy | Grant | 158,624 Shares held | 9/1/2022 | View profile |
| Hugues Meyrath Director | ▼ Sell | Open Market | 118,468 Shares held | 7/2/2026 | View profile |
| James J. Lerner President & CEO | ▼ Sell | Open Market | 110,848 Shares held | 4/21/2025 | View profile |
| Yue Zhou White Director | ▲ Buy | Grant | 53,139 Shares held | 10/1/2026 | View profile |
| Don Jaworksi Director | ▲ Buy | Grant | 51,675 Shares held | 10/1/2026 | View profile |
| Patel Hiral Chief Accounting Officer | ▲ Buy | Grant | 50,000 Shares held | 10/1/2026 | View profile |
| John Fichthorn Director | ▲ Buy | Grant | 40,896 Shares held | 10/1/2026 | View profile |
| John R. Tracy Director | ▲ Buy | Grant | 39,000 Shares held | 10/1/2026 | View profile |
| Kenneth P. Gianella Chief Financial Officer | ▼ Sell | Open Market | 32,402 Shares held | 2/3/2025 | View profile |
| Brian E. Cabrera Chief Legal & Ofcr; Corp Secy | ▼ Sell | Open Market | 28,736 Shares held | 4/21/2025 | View profile |
| William Hillis White Chief Financial Officer | ▲ Buy | Grant | 25,000 Shares held | 3/4/2026 | View profile |
| Tony J. Blevins Director | ▲ Buy | Grant | 25,000 Shares held | 10/1/2026 | View profile |
| Lewis W. Moorehead Chief Accounting Officer | ▼ Sell | Open Market | 24,971 Shares held | 4/21/2025 | View profile |
| Henk Jan Spanjaard Chief Revenue Officer | ▼ Sell | Open Market | 14,903 Shares held | 1/16/2025 | View profile |
| Anthony Craythorne Chief Revenue Officer | ▼ Sell | Open Market | 13,522 Shares held | 8/3/2026 | View profile |
| Laura A. Nash Chief Accounting Officer | ▼ Sell | Open Market | 10,770 Shares held | 7/2/2026 | View profile |
| PACIFIC INVESTMENT MANAGEMENT CO LLC 10% Owner | ▼ Sell | Open Market | 0 Shares held | 4/15/2025 | View profile |
Transaction History
| Yue Zhou White | ▲ Buy | Grant | 12,000 | $0 | 10/1/2026 |
| Tony J. Blevins | ▲ Buy | Grant | 12,000 | $0 | 10/1/2026 |
| John R. Tracy | ▲ Buy | Grant | 12,000 | $0 | 10/1/2026 |
| John Fichthorn | ▲ Buy | Grant | 12,000 | $0 | 10/1/2026 |
| James C. Clancy | ▲ Buy | Grant | 150,000 | $0 | 10/1/2026 |
| Patel Hiral | ▲ Buy | Grant | 50,000 | $0 | 10/1/2026 |
| Don Jaworksi | ▲ Buy | Grant | 12,000 | $0 | 10/1/2026 |
| Anthony Craythorne | ▼ Sell | Open Market | 1,478 | $16K | 8/3/2026 |
| Laura A. Nash | ▼ Sell | Open Market | 260 | $3K | 7/2/2026 |
| Hugues Meyrath | ▼ Sell | Open Market | 6,232 | $65K | 7/2/2026 |
| Dialectic Technology SPV LLC | ▼ Sell | Other | 11,020,645 | $57.2M | 6/4/2026 |
| Dialectic Technology SPV LLC | ▲ Buy | Grant | 3,083,975 | $16.0M | 6/4/2026 |
| John Fichthorn | ▼ Sell | Other | 11,020,645 | $57.2M | 6/4/2026 |
| John Fichthorn | ▲ Buy | Grant | 3,083,975 | $16.0M | 6/4/2026 |
| Laura A. Nash | ▼ Sell | Open Market | 109 | $593 | 4/2/2026 |
| William Hillis White | ▲ Buy | Grant | 25,000 | $0 | 3/4/2026 |
| Don Jaworksi | ▲ Buy | Grant | 12,000 | $0 | 1/1/2026 |
| John Fichthorn | ▲ Buy | Grant | 12,000 | $0 | 1/1/2026 |
| Tony J. Blevins | ▲ Buy | Grant | 12,000 | $0 | 1/1/2026 |
| John R. Tracy | ▲ Buy | Grant | 12,000 | $0 | 1/1/2026 |
| Anthony Craythorne | ▲ Buy | Grant | 15,000 | $0 | 1/1/2026 |
| Hugues Meyrath | ▲ Buy | Grant | 62,500 | $0 | 1/1/2026 |
| Yue Zhou White | ▲ Buy | Grant | 12,000 | $0 | 1/1/2026 |
| James C. Clancy | ▲ Buy | Grant | 12,000 | $0 | 1/1/2026 |
| Tony J. Blevins | ▲ Buy | Grant | 1,000 | $0 | 11/1/2025 |
| James C. Clancy | ▲ Buy | Grant | 1,000 | $0 | 11/1/2025 |
| Hugues Meyrath | ▲ Buy | Grant | 37,500 | $0 | 11/1/2025 |
| Laura A. Nash | ▼ Sell | Open Market | 611 | $7K | 10/2/2025 |
| Hugues Meyrath | ▼ Sell | Open Market | 2,975 | $32K | 10/2/2025 |
| Laura A. Nash | ▲ Buy | Grant | 500 | $0 | 10/1/2025 |
| Laura A. Nash | ▼ Sell | Open Market | 118 | $1K | 10/1/2025 |
| Laura A. Nash | ▼ Sell | Open Market | 284 | $2K | 9/12/2025 |
| John Fichthorn | ▲ Buy | Grant | 4,405 | $0 | 5/1/2025 |
| Brian E. Cabrera | ▲ Buy | Grant | 1,874 | $0 | 4/21/2025 |
| Lewis W. Moorehead | ▲ Buy | Grant | 333 | $0 | 4/21/2025 |
| James J. Lerner | ▼ Sell | Open Market | 2,784 | $27K | 4/21/2025 |
| Brian E. Cabrera | ▼ Sell | Open Market | 1,078 | $10K | 4/21/2025 |
| James J. Lerner | ▲ Buy | Grant | 5,828 | $0 | 4/21/2025 |
| Lewis W. Moorehead | ▼ Sell | Open Market | 179 | $2K | 4/21/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Open Market | 962,127 | $9.9M | 4/15/2025 |
| Laura A. Nash | ▼ Sell | Open Market | 136 | $2K | 4/2/2025 |
| Kenneth P. Gianella | ▼ Sell | Open Market | 1,279 | $28K | 2/3/2025 |
| James J. Lerner | ▼ Sell | Open Market | 2,511 | $90K | 1/16/2025 |
| Henk Jan Spanjaard | ▼ Sell | Open Market | 935 | $33K | 1/16/2025 |
| Kenneth P. Gianella | ▼ Sell | Open Market | 1,487 | $53K | 1/16/2025 |
| Brian E. Cabrera | ▼ Sell | Open Market | 1,996 | $71K | 1/16/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Other | 63,435 | $393K | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Other | 37,536 | $233K | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Open Market | 3,783 | $233K | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Other | 18,750 | $116K | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Open Market | 1,889 | $116K | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Other | 224,059 | $1.4M | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Open Market | 22,582 | $1.4M | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Open Market | 6,393 | $393K | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Other | 114,155 | $6.2M | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Open Market | 100,578 | $6.2M | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Other | 219,970 | $5.7M | 1/3/2025 |
| PACIFIC INVESTMENT MANAGEMENT CO LLC | ▼ Sell | Open Market | 92,970 | $5.7M | 1/3/2025 |
| Brian E. Cabrera | ▼ Sell | Open Market | 5,387 | $24K | 11/8/2024 |
| Henk Jan Spanjaard | ▼ Sell | Open Market | 394 | $2K | 11/8/2024 |
| James J. Lerner | ▼ Sell | Open Market | 6,505 | $29K | 11/8/2024 |
| Kenneth P. Gianella | ▼ Sell | Open Market | 2,590 | $11K | 11/8/2024 |
| Brian E. Cabrera | ▼ Sell | Open Market | 291 | $1K | 11/8/2024 |
| Laura A. Nash | ▼ Sell | Open Market | 685 | $3K | 11/8/2024 |
| John R. Tracy | ▲ Buy | Grant | 3,000 | $0 | 11/1/2024 |
| Laura A. Nash | ▲ Buy | Grant | 7,500 | $0 | 10/1/2024 |
| James J. Lerner | ▲ Buy | Grant | 18,750 | $0 | 10/1/2024 |
| Kenneth P. Gianella | ▲ Buy | Grant | 17,750 | $0 | 10/1/2024 |
| Henk Jan Spanjaard | ▲ Buy | Grant | 10,000 | $0 | 10/1/2024 |
| Brian E. Cabrera | ▲ Buy | Grant | 13,750 | $0 | 10/1/2024 |
| Don Jaworksi | ▲ Buy | Grant | 12,000 | $0 | 10/1/2024 |
| Don Jaworksi | ▲ Buy | Grant | 12,000 | $0 | 10/1/2024 |
| Yue Zhou White | ▲ Buy | Grant | 12,000 | $0 | 10/1/2024 |
| Yue Zhou White | ▲ Buy | Grant | 12,000 | $0 | 10/1/2024 |
| Hugues Meyrath | ▲ Buy | Grant | 12,000 | $0 | 10/1/2024 |
| Hugues Meyrath | ▲ Buy | Grant | 12,000 | $0 | 10/1/2024 |
| John R. Tracy | ▲ Buy | Grant | 12,000 | $0 | 10/1/2024 |
| Laura A. Nash | ▲ Buy | Grant | 25,000 | $0 | 4/1/2024 |
| Kenneth P. Gianella | ▲ Buy | Grant | 150,000 | $0 | 1/1/2024 |
| James J. Lerner | ▲ Buy | Grant | 200,000 | $0 | 1/1/2024 |
| Henk Jan Spanjaard | ▲ Buy | Grant | 75,000 | $0 | 1/1/2024 |
| Brian E. Cabrera | ▲ Buy | Grant | 150,000 | $0 | 1/1/2024 |
| Brian E. Cabrera | ▼ Sell | Open Market | 5,543 | $3K | 11/2/2023 |
| James J. Lerner | ▼ Sell | Open Market | 36,045 | $22K | 10/10/2023 |
| Brian E. Cabrera | ▼ Sell | Open Market | 942 | $559 | 10/4/2023 |
| Laura A. Nash | ▼ Sell | Open Market | 888 | $527 | 10/4/2023 |
| Hurley John | ▼ Sell | Open Market | 42,662 | $26K | 9/5/2023 |
| Kenneth P. Gianella | ▲ Buy | Grant | 50,000 | $0 | 9/1/2023 |
| Brian E. Cabrera | ▼ Sell | Open Market | 15,674 | $17K | 7/10/2023 |
| James J. Lerner | ▼ Sell | Open Market | 158,893 | $170K | 7/10/2023 |
| Hurley John | ▼ Sell | Open Market | 22,681 | $24K | 7/10/2023 |
| Laura A. Nash | ▼ Sell | Open Market | 3,600 | $4K | 7/10/2023 |
| Laura A. Nash | ▲ Buy | Grant | 50,000 | $0 | 7/1/2023 |
| Brian E. Cabrera | ▼ Sell | Open Market | 30,915 | $29K | 5/2/2023 |
| Kenneth P. Gianella | ▲ Buy | Grant | 175,000 | $0 | 2/1/2023 |
| Hugues Meyrath | ▲ Buy | Grant | 73,498 | $0 | 11/9/2022 |
| Don Jaworksi | ▲ Buy | Grant | 73,498 | $0 | 11/9/2022 |
| Brian E. Cabrera | ▼ Sell | Open Market | 863 | $1K | 11/2/2022 |
| Brian E. Cabrera | ▲ Buy | Grant | 25,000 | $0 | 11/1/2022 |
| James J. Lerner | ▼ Sell | Open Market | 32,888 | $38K | 10/11/2022 |
| Lewis W. Moorehead | ▼ Sell | Open Market | 2,370 | $3K | 10/11/2022 |
| Brian E. Cabrera | ▼ Sell | Open Market | 724 | $915 | 10/5/2022 |
| DODSON J MICHAEL | ▼ Sell | Open Market | 11,346 | $14K | 10/5/2022 |
| Lewis W. Moorehead | ▼ Sell | Open Market | 8,416 | $13K | 9/9/2022 |
| DODSON J MICHAEL | ▼ Sell | Open Market | 34,821 | $55K | 9/9/2022 |
| James J. Lerner | ▼ Sell | Open Market | 36,251 | $57K | 9/9/2022 |
| Hurley John | ▼ Sell | Open Market | 28,352 | $43K | 9/6/2022 |
| Jacoby Rebecca | ▲ Buy | Grant | 79,618 | $0 | 9/1/2022 |
| Yue Zhou White | ▲ Buy | Grant | 79,618 | $0 | 9/1/2022 |
| Rothman Marc E | ▲ Buy | Grant | 79,618 | $0 | 9/1/2022 |
| Lewis W. Moorehead | ▼ Sell | Open Market | 5,911 | $11K | 7/21/2022 |
| James J. Lerner | ▼ Sell | Open Market | 62,152 | $88K | 7/15/2022 |
| DODSON J MICHAEL | ▼ Sell | Open Market | 32,817 | $48K | 7/8/2022 |
| DODSON J MICHAEL | ▲ Buy | Grant | 125,000 | $0 | 7/1/2022 |
| James J. Lerner | ▲ Buy | Grant | 350,000 | $0 | 7/1/2022 |
| Brian E. Cabrera | ▲ Buy | Grant | 87,500 | $0 | 7/1/2022 |
| Lewis W. Moorehead | ▲ Buy | Grant | 20,000 | $0 | 7/1/2022 |
| Hurley John | ▲ Buy | Grant | 150,000 | $0 | 7/1/2022 |
| Brian E. Cabrera | ▼ Sell | Open Market | 20,952 | $39K | 5/5/2022 |
| Lewis W. Moorehead | ▼ Sell | Other | 10,422 | $23K | 4/22/2022 |
| Jacoby Rebecca | ▼ Sell | Other | 16,592 | $37K | 4/22/2022 |
| James J. Lerner | ▼ Sell | Other | 4,445 | $10K | 4/22/2022 |
| RAU RAGHAVENDRA | ▼ Sell | Other | 44,445 | $100K | 4/22/2022 |
| Rothman Marc E | ▼ Sell | Other | 49,431 | $111K | 4/22/2022 |
| DODSON J MICHAEL | ▼ Sell | Other | 10,000 | $23K | 4/22/2022 |
| Lewis W. Moorehead | ▼ Sell | Open Market | 3,539 | $19K | 1/7/2022 |
| DODSON J MICHAEL | ▼ Sell | Open Market | 18,616 | $100K | 1/7/2022 |
| James J. Lerner | ▼ Sell | Open Market | 39,670 | $213K | 1/7/2022 |
| Lewis W. Moorehead | ▼ Sell | Open Market | 7,542 | $45K | 11/2/2021 |
| Brian E. Cabrera | ▲ Buy | Grant | 5,000 | $0 | 11/1/2021 |
| Brian E. Cabrera | ▲ Buy | Grant | 5,000 | $0 | 10/1/2021 |
| RAU RAGHAVENDRA | ▲ Buy | Grant | 23,148 | $0 | 10/1/2021 |
| James J. Lerner | ▲ Buy | Grant | 200,000 | $0 | 10/1/2021 |
| Rothman Marc E | ▲ Buy | Grant | 23,148 | $0 | 10/1/2021 |
| Jacoby Rebecca | ▲ Buy | Grant | 23,148 | $0 | 10/1/2021 |
| DODSON J MICHAEL | ▲ Buy | Grant | 87,500 | $0 | 10/1/2021 |
| Yue Zhou White | ▲ Buy | Grant | 23,148 | $0 | 10/1/2021 |
| Lewis W. Moorehead | ▲ Buy | Grant | 15,000 | $0 | 10/1/2021 |
| James J. Lerner | ▼ Sell | Open Market | 41,012 | $224K | 9/10/2021 |
| Lewis W. Moorehead | ▼ Sell | Open Market | 9,521 | $52K | 9/10/2021 |
| DODSON J MICHAEL | ▼ Sell | Open Market | 39,394 | $215K | 9/10/2021 |
| Hurley John | ▲ Buy | Grant | 275,000 | $0 | 9/1/2021 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 25, 2026
QMCO Joins S&P Index Amid AI Infrastructure Turnaround Narrative
Quantum Corporation was added to the S&P Index, a move that often increases a stock's visibility to institutional investors. This development comes alongside a broader market narrative positioning the company as a key player in AI infrastructure. With the stock trading near its 52-week high, market participants are currently debating whether this positive momentum has already been reflected in the current share price.
QMCO Joins S&P Index Amid AI Infrastructure Turnaround Narrative. Quantum Corporation was added to the S&P Index, a move that often increases a stock's visibility to institutional investors. This development comes alongside a broader market narrative positioning the company as a key player in AI infrastructure. With the stock trading near its 52-week high, market participants are currently debating whether this positive momentum has already been reflected in the current share price.