Item 5.02 Departure of Directors or Certain Officers; Election of Directors;


            Appointment of Certain Officers; Compensatory Arrangements of Certain
            Officers.


On January 25, 2022, Brian S. Posner notified Biogen Inc. (the "Company" or "Biogen") that he will retire from the Biogen Board of Directors (the "Board") effective as of the Company's 2022 annual meeting of stockholders. Pursuant to the retirement provisions set forth in the Company's Corporate Governance Principles, Nancy L. Leaming will also retire from the Board effective as of the Company's 2022 annual meeting of stockholders.

Mr. Posner's and Ms. Leaming's retirement from the Board are not related to any disagreement with the Board or the Company on any matter relating to its operations, policies, or practices.

On January 31, 2022, the Company issued a press release announcing the retirements of Mr. Posner and Ms. Leaming from the Board, a copy of which is attached to this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.






(d) Exhibits


The exhibits listed below are furnished as part of this Current Report on Form
8-K



Exhibit Number            Description
99.1                        Biogen's press release dated January 31, 2022
104                       Cover Page Interactive Data File (embedded within the Inline
                          XBRL document)

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