Avidity Partners Management LP 13D and 13G filings for GRITSTONE BIO 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 |
| 2023-02-14 3:23 pm Sale | 2022-12-31 | 13G | GRITSTONE BIO INC GRTSQ | Avidity Partners Management LP | 2,859,971 3.300% | -4,130,223 (-59.09%) | Filing |
| 2022-02-11 7:18 pm Purchase | 2021-12-31 | 13G | GRITSTONE BIO INC GRTSQ | Avidity Partners Management LP | 6,990,194 9.900% | 2,443,380 (+53.74%) | Filing |
| 2020-12-28 4:48 pm Purchase | 2020-12-28 | 13G | GRITSTONE BIO INC GRTSQ | Avidity Partners Management LP | 4,546,814 9.900% | 4,546,814 (New Position) | Filing |