PRIMECAP MANAGEMENT CO/CA/ 13D and 13G filings for Epizyme, 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 |
| 2022-09-08 4:01 pm Sale | 2022-08-31 | 13G | Epizyme, Inc. EPZM | PRIMECAP MANAGEMENT CO/CA/ | 0 0.000% | -15,598,934 (Position Closed) | Filing |
| 2022-08-09 4:01 pm Purchase | 2022-07-31 | 13G | Epizyme, Inc. EPZM | PRIMECAP MANAGEMENT CO/CA/ | 15,598,934 9.270% | 251,157 (+1.64%) | Filing |
| 2022-02-10 11:56 am Sale | 2022-01-31 | 13G | Epizyme, Inc. EPZM | PRIMECAP MANAGEMENT CO/CA/ | 15,347,777 9.430% | -18,700 (-0.12%) | Filing |
| 2022-02-08 2:03 pm Purchase | 2021-12-31 | 13G | Epizyme, Inc. EPZM | PRIMECAP MANAGEMENT CO/CA/ | 15,366,477 14.790% | 157,950 (+1.04%) | Filing |
| 2021-02-12 12:02 pm Purchase | 2009-02-28 | 13G | Epizyme, Inc. EPZM | PRIMECAP MANAGEMENT CO/CA/ | 15,208,527 14.970% | 140,100 (+0.93%) | Filing |
| 2020-10-08 7:02 pm Purchase | 2009-02-28 | 13G | Epizyme, Inc. EPZM | PRIMECAP MANAGEMENT CO/CA/ | 15,068,427 14.850% | 1,409,323 (+10.32%) | Filing |