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Year All2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002 May 14, 2026 Ionis partner Biogen announces topline results from Phase 2 CELIA study of diranersen (BIIB080): first study to show reduction in tau pathology and cognitive benefit in patients with early Alzheimer’s disease May 04, 2026 Ionis to host 2026 virtual Annual Meeting of Stockholders May 01, 2026 Ionis to present at upcoming investor conferences Apr 29, 2026 Ionis reports first quarter 2026 financial results and highlights progress on key programs Apr 28, 2026 Ionis partner GSK announces bepirovirsen accepted for Priority Review and granted Breakthrough Therapy Designation by U.S. FDA as a potential first-in-class medicine for chronic hepatitis B Apr 21, 2026 Ionis presents new data from pivotal study of zilganersen in Alexander disease (AxD) at AAN 2026 Annual Meeting Apr 15, 2026 Ionis to hold first quarter 2026 financial results webcast Mar 23, 2026 Ionis announces zilganersen New Drug Application for Alexander disease (AxD) accepted by FDA for Priority Review Mar 09, 2026 Ionis announces changes to Board of Directors Feb 27, 2026 Ionis to present new data supporting DAWNZERA™ (donidalorsen) in hereditary angioedema at 2026 AAAAI Annual Meeting Feb 26, 2026 Olezarsen sNDA accepted by the FDA for Priority Review for the treatment of severe hypertriglyceridemia (sHTG) Feb 25, 2026 Ionis reports fourth quarter and full year 2025 financial results and highlights progress on key programs Feb 19, 2026 Ionis to present at upcoming investor conferences Feb 17, 2026 Ionis updates time for fourth quarter and full year 2025 financial results webcast Feb 11, 2026 Ionis to hold fourth quarter and full year 2025 financial results webcast Jan 21, 2026 DAWNZERA™ (donidalorsen) approved in the European Union for hereditary angioedema (HAE) Jan 12, 2026 Ionis well-positioned for continued momentum and substantial value creation in 2026 with two new independent launches and several pivotal data readouts Jan 07, 2026 Ionis partner GSK announces positive topline results from B-Well 1 and B-Well 2 Phase 3 studies for bepirovirsen, a potential first-in-class medicine for chronic hepatitis B Jan 06, 2026 Ionis to present at 44th Annual J.P. Morgan Healthcare Conference
May 14, 2026 Ionis partner Biogen announces topline results from Phase 2 CELIA study of diranersen (BIIB080): first study to show reduction in tau pathology and cognitive benefit in patients with early Alzheimer’s disease
Apr 29, 2026 Ionis reports first quarter 2026 financial results and highlights progress on key programs
Apr 28, 2026 Ionis partner GSK announces bepirovirsen accepted for Priority Review and granted Breakthrough Therapy Designation by U.S. FDA as a potential first-in-class medicine for chronic hepatitis B
Apr 21, 2026 Ionis presents new data from pivotal study of zilganersen in Alexander disease (AxD) at AAN 2026 Annual Meeting
Mar 23, 2026 Ionis announces zilganersen New Drug Application for Alexander disease (AxD) accepted by FDA for Priority Review
Feb 27, 2026 Ionis to present new data supporting DAWNZERA™ (donidalorsen) in hereditary angioedema at 2026 AAAAI Annual Meeting
Feb 26, 2026 Olezarsen sNDA accepted by the FDA for Priority Review for the treatment of severe hypertriglyceridemia (sHTG)
Feb 25, 2026 Ionis reports fourth quarter and full year 2025 financial results and highlights progress on key programs
Jan 12, 2026 Ionis well-positioned for continued momentum and substantial value creation in 2026 with two new independent launches and several pivotal data readouts
Jan 07, 2026 Ionis partner GSK announces positive topline results from B-Well 1 and B-Well 2 Phase 3 studies for bepirovirsen, a potential first-in-class medicine for chronic hepatitis B
