ALEC — Alector Inc

Alector Inc (ALEC) is a biotechnology company listed on NASDAQ. It is led by Arnon Rosenthal Ph.D., based in 131 Oyster Point Boulevard, South San Francisco, CA, United States, 94080, with about 103 employees. Alector, Inc., a clinical stage biotechnology company, develops therapies to counteract the progression of neurodegeneration in the United States. Its pipeline includes Nivisnebart, an investigational human recombinant monoclonal antibody for treating prevalent neurodegenerative diseases; AL137, an anti-amyloid beta antibody paired in preclinical development for the potential treatment of Alzheimer's disease; and AL050, a GCase enzyme replacement therapy in preclinical development for the potential treatment of Parkinson's disease and Lewy body dementia in patients having GBA1 gene mutations. The company also develops its preclinical and research pipeline comprising AL064, a tau siRNA for Alzheimer's disease and other tauopathies; ADP062-ABC, an alpha-synuclein siRNA for Parkinson's disease; and ADP065-ABC, an NLRP3 siRNA for neurodegenerative conditions. It has a strategic collaboration agreement with GlaxoSmithKline plc for the development and commercialization of progranulin-elevating monoclonal antibodies, including Latozinemab and Nivisnebart. The company was founded in 2013 and is headquartered in South San Francisco, California.

Latest reported ALEC revenue for 2025-09-30 was $3.3M. Net income was -$105.7M. Revenue was down 58.6% from 2025-06-30 to 2025-09-30. ALEC currently screens at market cap $216.5M.

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