Biogen(BIIB) - 2025 Q2 - Quarterly Results

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 7, 2025 Registrant's telephone number, including area code: (617) 679-2000 Not Applicable (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 225 Binney Street, Cambridge, Massachusetts 02142 Biogen Inc. Delaware 0-19311 33-0112644 (Add ...