BIOGEN INC.
For the period ended Jun 30, 2025. Filed Jul 31, 2025.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Jun 30, 2025 · Filed Jul 31, 2025
BIIB$254.87+2.6%Stored close · as of Nov 9, 2026
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Item 6. Exhibits
The exhibits listed below are filed or furnished as part of this Quarterly Report on Form 10-Q.
EXHIBIT INDEX
| ExhibitNumber | Description of Exhibit |
| 4.1 | Indenture, dated as of September 15, 2015, between Biogen Inc. and U.S. Bank National Association (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on September 16, 2015). |
| 4.2 | Fourth Supplemental Indenture, dated as of May 12, 2025, between the Company and U.S. Bank Trust Company, National Association (as successor to U.S. Bank, National Association), including the forms of Global Notes attached as Exhibit A, Exhibit B and Exhibit C, respectively, thereto (incorporated by reference to Exhibit 4.2 to the Company's Current Report on Form 8-K filed on May 12, 2025). |
| 10.1*+ | Letter regarding employment arrangement of Priya Singhal dated January 3, 2023. |
| 31.1+ | Certification of the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
| 31.2+ | Certification of the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
| 32.1++ | Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. |
| 101++ | The following materials from Biogen Inc.’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, formatted in iXBRL (Inline Extensible Business Reporting Language): (i) the Condensed Consolidated Statements of Income, (ii) the Condensed Consolidated Statements of Comprehensive Income, (iii) the Condensed Consolidated Balance Sheets, (iv) the Condensed Consolidated Statements of Cash Flow, (v) the Condensed Consolidated Statements of Equity and (vi) Notes to Condensed Consolidated Financial Statements. |
| 104++ | The cover page from this Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, formatted in Inline XBRL. |
- Filed herewith
++ Furnished herewith
- Management contract or compensatory plan or arrangement
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