LeonaBio, Inc. operates as a biopharmaceutical firm engaged in clinical-stage development. Its core mission revolves around crafting small molecule therapies aimed at revitalizing neurological function and arresting the advancement of neurodegenerative conditions. The company's active development portfolio encompasses ATH-1105, an experimental therapy for amyotrophic lateral sclerosis (ALS) that is currently undergoing Phase 1 clinical assessment. Similarly, ATH-1020 is also in Phase 1 trials, targeting various neurodegenerative disorders. Furthermore, LeonaBio has an array of earlier-stage compounds in preclinical research. The company, which was originally established as Athira Pharma, Inc., rebranded itself as LeonaBio, Inc. in January 2026. Founded in 2011, its corporate headquarters are situated in Bothell, Washington.
Sector: Biological Products, (No Diagnostic Substances)
Industry: Biotechnology
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based on 9.42M shares outstanding
USLeonaBio, Inc., clinical-stage biopharmaceutical company, focuses on developing small molecules to restore neuronal health and slow neurodegradation.
Its product pipeline includes ATH-1105 for the treatment of amyotrophic lateral sclerosis, which is in phase 1 clinical trial; ATH-1020 for the treatment of neurodegenerative diseases, which is phase 1 clinical trial, as well as early compounds which is in preclinical phase.
The company was formerly known as Athira Pharma, Inc. and changed its name to LeonaBio, Inc. in January 2026. LeonaBio, Inc. was incorporated in 2011 and is headquartered in Bothell, Washington.
Barbara Kosacz
Director
Frederick P. Callori
Director
Grant Pickering
Director
James A. Johnson
Director
Employees
26
Country
US
Sector
Healthcare
Website
leonabio.com
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based on 9.42M shares outstanding
US30d Avg
483.55K
60d Avg
273.59K
90d Avg
183.94K
