Madison Avenue International LP 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 |
| 2025-11-14 10:15 am Sale | 2025-09-30 | 13G | Sage Therapeutics, Inc. SAGE | Madison Avenue International LP | 0 0.000% | -6,077,065![]() (Position Closed) | Filing |
| 2025-08-14 09:22 am Purchase | 2025-06-30 | 13G | Sage Therapeutics, Inc. SAGE | Madison Avenue International LP | 6,077,065 9.700% | 1,156,302![]() (+23.50%) | Filing |
| 2025-04-01 5:35 pm Purchase | 2025-03-25 | 13G | Sage Therapeutics, Inc. SAGE | Madison Avenue International LP | 4,920,763 8.000% | 4,920,763![]() (New Position) | Filing |

