Mangrove Partners Master Fund Ltd. 13D and 13G filings for Sierra Oncology, 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 |
| 2021-02-16 12:06 pm Sale | 2021-01-26 | 13G | Sierra Oncology, Inc. SRRA | Mangrove Partners Master Fund Ltd. | 548,869 4.800% | -38,595 (-6.57%) | Filing |
| 2021-02-16 12:00 pm Purchase | 2020-12-31 | 13G | Sierra Oncology, Inc. SRRA | Mangrove Partners Master Fund Ltd. | 587,464 5.100% | 587,464 (New Position) | Filing |