WEIDONG YIN 13D and 13G filings for Sinovac Biotech Ltd.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-07-15 06:19 am Unchanged | 2025-07-10 | 13D | SINOVAC BIOTECH LTD SVA | WEIDONG YIN | 6,359,500 8.850% | 0 (Unchanged) | Filing |
| 2025-06-20 06:43 am Unchanged | 2025-06-16 | 13D | SINOVAC BIOTECH LTD SVA | WEIDONG YIN | 6,359,500 8.850% | 0 (Unchanged) | Filing |
| 2025-04-30 06:07 am Unchanged | 2025-04-28 | 13D | SINOVAC BIOTECH LTD SVA | WEIDONG YIN | 6,359,500 8.850% | 0 (Unchanged) | Filing |
| 2025-03-21 7:16 pm Purchase | 2025-03-18 | 13D | SINOVAC BIOTECH LTD SVA | WEIDONG YIN | 6,359,500 8.850% | 235,000 (+3.84%) | Filing |