| 2026-08-06 | Press release | Biogen Completes Acquisition of RayThera Inc. |
| 2026-07-21 | Presentation | Topline Results from CELIA: A Phase 2 Study to Evaluate the Tau-Targeting ASO Diranersen (BIIB080) in Patients with Earl |
| 2026-07-15 | Press release | Biogen Appoints Michael J. Parini as Chief Legal Officer |
| 2026-07-14 | Press release | LEQEMBI® Real-World LEADER Study Presented at AAIC® 2026 Finds Over 75% of Early Alzheimer’s Patients Enrolled in the St |
| 2026-07-14 | Press release | Biogen Presents Phase 2 CELIA Data at AAIC Demonstrating Meaningful Clinical Outcomes and Robust Tau Reduction with Dira |
| 2026-07-14 | Press release | Read more about Biogen to Webcast from the Alzheimer's Association International Conference (AAIC) July 14, 2026 |
| 2026-07-13 | Press release | FDA Approves LEQEMBI IQLIK® (lecanemab-irmb) Subcutaneous Injection as an Initiation Dose for Early Alzheimer’s Disease |
| 2026-07-12 | Press release | LEQEMBI® Subcutaneous Autoinjector Clinical Data Supports Similar Efficacy and Safety to IV Formulation in Early Alzheim |
| 2026-06-29 | Press release | Biogen to Highlight Breadth of Alzheimer’s Disease Portfolio at AAIC 2026, Including Phase 2 CELIA Data for Diranersen |
| 2026-06-17 | Press release | Biogen Expands Immunology Pipeline with Agreement to Acquire RayThera Inc. |
| 2026-02-08 | Press release | Press release |
| 2026-02-06 | Press release | Biogen Reports Fourth Quarter and Full Year 2025 Results |
| 2026-01-12 | Press release | Press release |
| 2025-07-31 | Press release | Biogen Reports Second Quarter 2025 Results |
| 2025-04-30 | Press release | Biogen Reports First Quarter 2025 Results |
| 2025-02-12 | Press release | Biogen Reports Fourth and Full Year Quarter 2024 Results |
| 2024-10-30 | Press release | Biogen Reports Third Quarter 2024 Results |
| 2024-08-01 | Press release | Biogen Reports Second Quarter 2024 Results |
| 2024-04-24 | Press release | Biogen Reports First Quarter 2024 Results |
| 2024-02-13 | Press release | Biogen Reports Fourth Quarter and Full Year 2023 Results |
| 2023-11-08 | Press release | Biogen Reports Third Quarter 2023 Results |
| 2023-07-25 | Press release | Biogen Reports Second Quarter 2023 Results |
| 2023-07-25 | Earnings deck | Q2 2023 Biogen Earnings Presentation |
| 2023-04-25 | Press release | Biogen Reports First Quarter 2023 Results |
| 2023-04-25 | Earnings deck | Q1 2023 Biogen Earnings Presentation |
| 2023-02-15 | Earnings deck | Q4 and Full Year 2022 Biogen Earnings Presentation |
| 2023-02-15 | Press release | Biogen Reports Fourth Quarter and Full Year 2022 Results |
| 2022-10-25 | Earnings deck | Q3 2022 Biogen Earnings Presentation |
| 2022-10-25 | Press release | Biogen Reports Third Quarter 2022 Results |
| 2022-07-20 | Earnings deck | Q2 2022 Biogen Earnings Presentation |
| 2022-07-20 | Press release | Biogen Reports Second Quarter 2022 Results |
| 2022-05-03 | Earnings deck | Q1 2022 Biogen Earnings Presentation |
| 2022-05-03 | Press release | Biogen Reports First Quarter 2022 Results |
| Press release | Read more about Biogen to Report Second Quarter 2026 Financial Results July 29, 2026 |