QMCO (Quantum Corporation)
Insider Trading Activity
Every open-market purchase and sale reported by QMCO officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-05 | Anthony Craythorne | Chief Revenue Officer | Sell | — | — |
| 2026-07-07 | Hugues Meyrath | President & CEO | Sell | — | — |
| 2026-07-07 | Laura A. Nash | Chief Accounting Officer | Sell | — | — |
| 2026-06-08 | JOHN FICHTHORN | Director | MIXED | — | — |
| 2026-06-08 | Dialectic Technology SPV LLC | 10%+ Owner | MIXED | — | — |
| 2026-04-03 | Anthony Craythorne | Chief Revenue Officer | A | — | — |
| 2026-04-03 | Hugues Meyrath | President & CEO | A | — | — |
| 2026-04-03 | Laura A. Nash | Chief Accounting Officer | Sell | — | — |
| 2026-03-04 | William Hillis White | Chief Financial Officer | A | — | — |
| 2026-01-05 | Yue Zhou White | Director | A | — | — |
| 2026-01-05 | Don Jaworksi | Director | A | — | — |
| 2026-01-05 | Anthony Craythorne | Chief Revenue Officer | A | — | — |
| 2026-01-05 | James C Clancy | Director | A | — | — |
| 2026-01-05 | JOHN FICHTHORN | Director | A | — | — |
| 2026-01-05 | Hugues Meyrath | President & CEO | A | — | — |
| 2026-01-05 | Tony J Blevins | Director | A | — | — |
| 2026-01-05 | John R. Tracy | Director | A | — | — |
| 2025-12-29 | JOHN FICHTHORN | Director | J | — | — |
| 2025-12-23 | Dialectic Technology SPV LLC | 10%+ Owner | J | — | — |
| 2025-11-04 | James C Clancy | Director | A | — | — |
| 2025-11-04 | Tony J Blevins | Director | A | — | — |
| 2025-11-04 | Hugues Meyrath | President & CEO | A | — | — |
| 2025-10-03 | Hugues Meyrath | President & CEO | Sell | — | — |
| 2025-10-03 | Laura A. Nash | Chief Accounting Officer | MIXED | — | — |
| 2025-09-17 | Laura A. Nash | Chief Accounting Officer | Sell | — | — |
| 2025-05-05 | JOHN FICHTHORN | Director | A | — | — |
| 2025-04-23 | Brian E Cabrera | SVP Chief Admin Ofcr & Secy | MIXED | — | — |
| 2025-04-23 | James J Lerner | President & CEO | MIXED | — | — |
| 2025-04-23 | Lewis W. Moorehead | Chief Accounting Officer | MIXED | — | — |
| 2025-04-17 | PACIFIC INVESTMENT MANAGEMENT CO LLC | 10%+ Owner | Sell | — | — |
| 2025-04-04 | Laura A. Nash | Chief Accounting Officer | Sell | — | — |
| 2025-02-05 | Kenneth P. Gianella | Chief Financial Officer | Sell | — | — |
| 2025-01-17 | Henk Jan Spanjaard | Chief Revenue Officer | Sell | — | — |
| 2025-01-17 | Laura A. Nash | Chief Accounting Officer | Sell | — | — |
| 2025-01-17 | Henk Jan Spanjaard | Chief Revenue Officer | Sell | — | — |
| 2025-01-17 | Kenneth P. Gianella | Chief Financial Officer | Sell | — | — |
| 2025-01-17 | James J Lerner | President & CEO | Sell | — | — |
| 2025-01-17 | James J Lerner | President & CEO | Sell | — | — |
| 2025-01-17 | Kenneth P. Gianella | Chief Financial Officer | Sell | — | — |
| 2025-01-17 | Brian E Cabrera | SVP Chief Admin Ofcr & Secy | Sell | — | — |
| 2025-01-17 | Brian E Cabrera | SVP Chief Admin Ofcr & Secy | Sell | — | — |
| 2025-01-07 | PACIFIC INVESTMENT MANAGEMENT CO LLC | 10%+ Owner | MIXED | — | — |
| 2024-12-05 | Brian E Cabrera | SVP Chief Admin Ofcr & Secy | Sell | — | — |
| 2024-12-05 | Kenneth P. Gianella | Chief Financial Officer | Sell | — | — |
| 2024-12-05 | James J Lerner | President & CEO | Sell | — | — |
| 2024-12-05 | Laura A. Nash | Chief Accounting Officer | Sell | — | — |
| 2024-12-05 | Henk Jan Spanjaard | Chief Revenue Officer | Sell | — | — |
| 2024-11-19 | Henk Jan Spanjaard | Chief Revenue Officer | — | — | — |
| 2024-11-19 | Yue Zhou White | Director | — | — | — |
| 2024-11-19 | Kenneth P. Gianella | Chief Financial Officer | — | — | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| — | Director | 14,133,516 | — |
| — | 10%+ Owner | 14,104,620 | — |
| — | 10%+ Owner | 425,860 | — |
| — | 10%+ Owner | 401,525 | — |
| — | 10%+ Owner | 299,455 | — |
| — | President & CEO | 118,468 | — |
| — | President & CEO | 110,848 | — |
| — | Senior Vice President, CFO | 43,519 | — |
| — | Director | 41,139 | — |
| — | Director | 39,675 | — |
| — | Chief Financial Officer | 32,402 | — |
| — | SVP Chief Admin Ofcr & Secy | 29,814 | — |
| — | Director | 27,000 | — |
| — | Chief Financial Officer | 25,000 | — |
| — | Chief Accounting Officer | 24,971 | — |
| — | Chief Revenue Officer | 17,076 | — |
| — | Chief Revenue Officer | 14,903 | — |
| — | Director | 14,881 | — |
| — | Chief Revenue Officer | 14,256 | — |
| — | Chief Revenue Officer | 13,522 | — |
| — | Director | 13,000 | — |
| — | Director | 13,000 | — |
| — | Director | 12,894 | — |
| — | Chief Accounting Officer | 10,770 | — |
| — | Director | 7,931 | — |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the QMCO quote page; the site-wide leaderboard is on the insider transactions hub.