Alector (ALEC) Tax Rate (2021 - 2024)

Alector (ALEC) has 4 years of Tax Rate data on file, last reported at 2.37% in Q4 2024.

• On a quarterly basis, Tax Rate fell 1237.0% year-over-year to 2.37% in Q4 2024; TTM through Sep 2025 was 0.04%, a 253.0% decrease from a year earlier, with the FY2024 full-year figure at 0.11%, down 45.0% from the prior year.
• Tax Rate for Q4 2024 stood at 2.37%, down from 0.19% in the prior quarter.
• Over the last five years, Tax Rate for ALEC reached as high as 50.33% in Q2 2023 and fell as low as 2.9% in Q3 2023.
• Historically, Tax Rate has averaged 5.95% across 4 years, with a median of 0.79% in 2022.
• Across the five-year window, Tax Rate surged 4079 bps in 2023 and tumbled 5051 bps in 2024, its largest moves.
• Year by year, Tax Rate stood at 13.72% in 2021, then tumbled by 110 bps to 1.39% in 2022, then jumped by 817 bps to 10.0% in 2023, then slumped by 124 bps to 2.37% in 2024.
• Per Business Quant data, the three most recent Tax Rate figures were 2.37% in Q4 2024, 0.19% in Q2 2024, and 0.02% in Q1 2024.