QUANTUM CORP /DE/ (DSS) has 50 open-market insider trades by 12 insiders since 2006. Over the last six months insiders net sold $18K. The most active filer is Heng Fai Ambrose Chan, Director & 10% Owner.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Thomas S. Buchsbaum | Dir | — | 1 | $55.2M | 2006-09-07 |
| Heng Fai Ambrose Chan | Dir10% Owner | — | 13 | $44.8M | 2025-08-28 |
| Joseph L. Sanders | Dir | — | 7 | $359K | 2019-07-23 |
| Jeffrey Ronaldi | CEO | — | 9 | $242K | 2018-03-21 |
| Robert B. Bzdick | Pres | — | 2 | $164K | 2017-01-12 |
| Robert B. Fagenson | Dir | — | 9 | $135K | 2016-12-01 |
| William Wai Leung Wu | Dir | — | 3 | $81K | 2023-12-29 |
| Peter Hardigan | COO | — | 2 | $75K | 2014-12-18 |
| Anthony Carrozza | Senior VPWorldwide Sales | — | 1 | $35K | 2006-08-04 |
| Philip Ritti | VPGeneral ManagerMedia | — | 1 | $33K | 2006-08-04 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Fai Chan | Director & 10% Owner | Sell | $18K | 2026-09-03 |
| Heng Fai Ambrose Chan | Director & 10% | Sell | $176K | 2025-08-28 |
| Heng Fai Ambrose Chan | Director & 10% Owner | Buy | $2.0M | 2024-12-10 |
| William Wai Leung Wu | Director | Sell | $20K | 2023-12-29 |
| Heng Fai Ambrose Chan | Director & 10% Owner | Buy | $202K | 2023-12-28 |
| Heng Fai Ambrose Chan | Director & 10% Owner | Buy | $154K |
Companies that share insiders with DSS, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2022-12-13 |
| Heng Fai Ambrose Chan | Director & 10% | Buy | $10K | 2022-12-09 |
| William Wai Leung Wu | Director | Buy | $4K | 2022-06-16 |
| William Wai Leung Wu | Director | Buy | $58K | 2022-06-07 |
| Heng Fai Ambrose Chan | Director & 10% Owner | Buy | $3.0M | 2022-03-09 |
| Heng Fai Ambrose Chan | Director & 10% Owner | Buy | $29.9M | 2021-09-08 |
| Heng Fai Ambrose Chan | Director & 10% Owner | Buy | $4.3M | 2021-06-15 |
| Heng Fai Ambrose Chan | Director & 10% Owner | Buy | $1.8M | 2019-11-01 |
| Heng Fai Ambrose Chan | Director & 10% Owner | Buy | $1.0M | 2019-06-10 |
| Joseph L. Sanders | Director | Buy | $567 | 2019-06-06 |