Biogen Inc. - Significant Ownership

Signature - Title
/s/ Michael Dambach - Michael Dambach / Treasurer
Location
Cambridge, MA
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by Biogen Inc..

Significant Ownership of Biogen Inc.

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
SAGE Sage Therapeutics, Inc. Common Stock, par value $0.0001 per share 0% $0 -$48.6M 0 -100% Biogen Inc. Jul 30, 2025

Schedules 13D/G Reported by Biogen Inc.:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Date Filed
* An asterisk sign (*) next to the price indicates that the price is likely invalid.