Biogen Inc. 13D and 13G filings for Sage Therapeutics, 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 |
| 2025-01-10 5:34 pm Unchanged | 2025-01-10 | 13D | Sage Therapeutics, Inc. SAGE | BIOGEN INC. BIIB | 6,241,473 10.200% | 0 (Unchanged) | Filing |
| 2021-01-11 4:19 pm Purchase | 2020-12-31 | 13G | Sage Therapeutics, Inc. SAGE | BIOGEN INC. BIIB | 6,241,473 10.700% | 6,241,473 (New Position) | Filing |