PRIMECAP MANAGEMENT CO 13D and 13G filings for FibroGen, 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 |
| 2025-02-13 6:24 pm Sale | 2024-12-31 | 13G | FibroGen, Inc. FGEN | PRIMECAP MANAGEMENT CO | 184,645 4.580% | -211,804![]() (-53.43%) | Filing |
| 2024-11-12 4:01 pm Sale | 2024-09-30 | 13G | FibroGen, Inc. FGEN | PRIMECAP MANAGEMENT CO | 396,449 9.870% | -182,428![]() (-31.51%) | Filing |
| 2024-02-12 4:01 pm Purchase | 2023-12-31 | 13G | FibroGen, Inc. FGEN | PRIMECAP MANAGEMENT CO | 578,877 14.720% | 23,074![]() (+4.15%) | Filing |
| 2023-02-09 4:01 pm Purchase | 2022-12-31 | 13G | FibroGen, Inc. FGEN | PRIMECAP MANAGEMENT CO | 555,803 14.790% | 36,238![]() (+6.97%) | Filing |
| 2022-02-10 12:23 pm Purchase | 2021-12-31 | 13G | FibroGen, Inc. FGEN | PRIMECAP MANAGEMENT CO | 519,565 14.010% | 150,444![]() (+40.76%) | Filing |
| 2021-01-07 10:04 am Purchase | 2009-02-28 | 13G | FibroGen, Inc. FGEN | PRIMECAP MANAGEMENT CO | 369,121 10.140% | 168,219![]() (+83.73%) | Filing |

