Weichai Power Hong Kong International Development Co., Limited 13D and 13G filings for Ballard Power Systems Inc.:
- 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 |
| 2026-05-19 11:25 am Sale | 2026-05-15 | 13D | BALLARD POWER SYS INC BLDP | Weichai Power Hong Kong International Development Co., Limited | 31,102,826 10.320% | -3,897,000 (-11.13%) | Filing |
| 2026-05-15 11:50 am Sale | 2026-05-14 | 13D | BALLARD POWER SYS INC BLDP | Weichai Power Hong Kong International Development Co., Limited | 34,999,826 11.610% | -4,253,000 (-10.83%) | Filing |
| 2026-05-13 3:46 pm Purchase | 2026-05-12 | 13D | BALLARD POWER SYS INC BLDP | Weichai Power Hong Kong International Development Co., Limited | 39,252,826 13.020% | 39,252,826 (New Position) | Filing |