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Tue, Aug 25, 2026

1 updates

Mon, Aug 24, 2026

1 updates

Thu, Aug 6, 2026

1 updates
BIIB
6:15 PM

Biogen Completes Acquisition of RayThera Inc.

Lead program now in Phase 1 development CAMBRIDGE, Mass., Aug. 06, 2026 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) today announced the completion of the acquisition of RayThera Inc., a privately held biotechnology company focused on discovering and developing small-molecule therapies in

biogen.com

Wed, Jul 29, 2026

1 updates

Wed, Jul 15, 2026

1 updates
BIIB
8:15 AM

Biogen Appoints Michael J. Parini as Chief Legal Officer

CAMBRIDGE, Mass., July 15, 2026 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) today announced the appointment of Michael J. Parini as Chief Legal Officer, effective August 3, 2026. Parini will serve as a member of Biogen's Executive Committee and report to Christopher A.

biogen.com

Tue, Jul 14, 2026

2 updates
BIIB
11:18 AM

LEQEMBI® Real-World LEADER Study Presented at AAIC® 2026 Finds Over 75% of Early Alzheimer’s Patients Enrolled in the Study Remained Stable and Nearly 7% Improved Over an Average of 17 Months of Treatment

Real-World Findings Support Long-Term Benefits of Continuous Treatment with LEQEMBI and Provide Important Insights into Treatment Experience Outside of a Clinical Trial Setting TOKYO and CAMBRIDGE, Mass., July 14, 2026 (GLOBE NEWSWIRE) -- Eisai Co., Ltd. and Biogen Inc.

Presentation / AbstractAAIC presentation Tue, Jul 14, 2026biogen.com
BIIB
9:15 AM

Biogen Presents Phase 2 CELIA Data at AAIC Demonstrating Meaningful Clinical Outcomes and Robust Tau Reduction with Diranersen in Early Alzheimer’s Disease

Clinical outcomes: Diranersen demonstrated efficacy across all studied doses at 18 months, with consistent results across multiple prespecified clinical endpoints; the 60 mg dose showed the strongest response with slowing of clinical decline on the cognitive endpoints—42% on ADAS-Cog13 and 50% on

Presentation / Abstract • Phase 2AAIC presentation Tue, Jul 14, 2026biogen.com

Mon, Jul 13, 2026

1 updates

Sun, Jul 12, 2026

1 updates
BIIB
11:18 AM

LEQEMBI® Subcutaneous Autoinjector Clinical Data Supports Similar Efficacy and Safety to IV Formulation in Early Alzheimer’s Disease Presented at the Alzheimer’s Association International Conference® (AAIC®) 2026

New clinical and real-world data support a subcutaneous treatment pathway from initiation through maintenance treatment, offering dosing convenience for patients and care partners TOKYO and CAMBRIDGE, Mass., July 12, 2026 (GLOBE NEWSWIRE) -- Eisai Co., Ltd. and Biogen Inc.

Presentation / AbstractAAIC presentation Sun, Jul 12, 2026biogen.com

Tue, Jul 7, 2026

1 updates

Mon, Jun 29, 2026

1 updates
BIIB
6:59 AM

Biogen to Highlight Breadth of Alzheimer’s Disease Portfolio at AAIC 2026, Including Phase 2 CELIA Data for Diranersen

Diranersen presentation will feature Phase 2 CELIA data in early Alzheimer’s disease, including clinical, biomarker and safety results for Biogen’s investigational tau-targeting ASO, following topline results announced in May 2026 Lecanemab presentations will highlight emerging data on subcutaneous

Presentation / Abstract • Phase 2Oral presentation Tue, Jul 14, 2026, 2:00 PM BSTbiogen.com

Wed, Jun 17, 2026

1 updates
BIIB
7:00 PM

Biogen Expands Immunology Pipeline with Agreement to Acquire RayThera Inc.

Acquisition adds multiple immunology assets to Biogen’s portfolio, including a lead asset poised to enter Phase 1 development CAMBRIDGE, Mass. and SAN DIEGO, June 17, 2026 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) and RayThera Inc., a private biotechnology company focused on discovering and

biogen.com

Tue, Jun 16, 2026

1 updates
BIIB
4:06 PM

Biogen to Report Second Quarter 2026 Financial Results July 29, 2026

Cambridge, Mass.— Biogen Inc. (Nasdaq: BIIB) today announced it will report second quarter 2026 financial results Wednesday, July 29, 2026, before the financial markets open. Following the release of the financials, the Company will host a live webcast with Biogen management at 8:30 a.m. ET.

biogen.com

Thu, Jun 4, 2026

2 updates
BIIB
1:00 AM

EULAR 2026: Dapirolizumab Pegol Shows Potential to Reduce Flare Rates and Maintain Disease Control in Systemic Lupus Erythematosus

Steroid use reduction and disease control: In additional results from the Phase 3 PHOENYCS GO study, dapirolizumab pegol (DZP) plus standard of care was associated with sustained disease control at lower glucocorticoid doses through Week 48 compared with placebo plus standard of care, supporting

Presentation / Abstract • Phase 3EULAR 2026 presentations Thu, Jun 4, 2026biogen.com

Wed, Jun 3, 2026

1 updates

Mon, Jun 1, 2026

1 updates
BIIB
1:31 AM

UCB and Biogen Announce Publication in The Lancet of Positive Dapirolizumab Pegol (DZP) Phase 3 Study Results in Systemic Lupus Erythematosus

Publication adds to previously reported findings from Phase 3 PHOENYCS GO study, demonstrating statistically significant improvement in disease activity at Week 48 with dapirolizumab pegol plus standard of care versus placebo plus standard of care Findings showed results in favor of dapirolizumab

Trial Results • Phase 3Lancet publication of Phase 3 results Mon, Jun 1, 2026biogen.com