| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2023-02-21 | SC | Ho Chi Sing | — | — | view → | |
| 2021-11-23 | SC | He Wei-Wu | — | — | view → | |
| 2021-04-30 | SC | SPECTRUM PHARMACEUTICALS INC | — | — | view → | |
| 2021-02-03 | SC | He Wei-Wu | — | — | view → | |
| 2020-03-24 | SC | He Wei-Wu | — | — | view → | |
| 2018-05-14 | SC | SPECTRUM PHARMACEUTICALS INC | — | — | view → | |
| 2018-04-04 | SC | He Wei-Wu | — | — | view → | |
| 2018-03-20 | SC | Ho Chi Sing | — | — | view → |
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