BIOGEN INC. 8-KCurrent Reports (8-K / ad hoc)

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Item 2.02 Results of Operations and Financial Condition. On July 29, 2026, Biogen Inc. issued a press release announcing its results of operations and financial condition for the second quarter ended June 30, 2026. A copy of the press release is furnished as Exhibit 99.1 and is incorporated herein by reference. The press release is being furnished pursuant to Item 2.02 of this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that Section, nor shall such document be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act.