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 |
| 2025-07-30 5:56 pm Sale | 2025-07-30 | 13D | SAGE THERAPEUTICS INC SAGE | BIOGEN INC. BIIB | 0 0.000% | -6,241,473 (Position Closed) | Filing |
| 2025-07-21 9:18 pm Unchanged | 2025-07-21 | 13D | SAGE THERAPEUTICS INC SAGE | BIOGEN INC. BIIB | 6,241,473 10.000% | 0 (Unchanged) | Filing |
| 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 |