WELLINGTON MANAGEMENT CO LLP 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 |
| 2021-04-12 08:02 am Sale |
2021-03-31 | 13G | GRITSTONE BIO INC GRTSQ |
WELLINGTON MANAGEMENT CO LLP | 1,014,555 2.070% |
-3,312,237 (-76.55%) |
Filing |
| 2021-02-10 08:21 am Purchase |
2021-01-29 | 13G | GRITSTONE BIO INC GRTSQ |
WELLINGTON MANAGEMENT CO LLP | 4,326,792 10.350% |
4,326,792 (New Position) |
Filing |