Biogen Inc. - Jul 21, 2025 SCHEDULE 13D/A Report for Sage Therapeutics, Inc. Common Stock, par value $0.0001 per share (SAGE)

Filing Manager: Biogen Inc.
Reporting Manager: Biogen Inc.
Security: Sage Therapeutics, Inc. Common Stock, par value $0.0001 per share
Symbol: SAGE
Shares outstanding: 62.4M shares
Disclosed Ownership: 6.24M shares
Ownership: 10%
Form type: SCHEDULE 13D/A
Date filed: 7/21/2025, 09:18 PM
Date of event: Jul 21, 2025
Previous filing: Jan 10, 2025
Next filing: Jul 30, 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Biogen Inc.	10%	6.24M	0	6.24M	/s/ Michael Dambach	Michael Dambach / Treasurer	0000875045
Biogen MA Inc.	10%	6.24M	0	6.24M	/s/ Michael Dambach	Michael Dambach / Treasurer