PRIMECAP MANAGEMENT CO 13D and 13G filings for Cerus Corporation:
- 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 |
| 2023-01-09 4:01 pm Sale |
2022-12-31 | 13G | Cerus Corporation CERS |
PRIMECAP MANAGEMENT CO | 8,849,600 4.990% |
-872,700 (-8.98%) |
Filing |
| 2022-02-10 12:22 pm Sale |
2021-12-31 | 13G | Cerus Corporation CERS |
PRIMECAP MANAGEMENT CO | 9,722,300 5.640% |
-712,200 (-6.83%) |
Filing |
| 2021-02-12 12:02 pm Sale |
2009-02-28 | 13G | Cerus Corporation CERS |
PRIMECAP MANAGEMENT CO | 10,434,500 6.240% |
-865,500 (-7.66%) |
Filing |