Atossa Therapeutics (ATOS) Tax Rate (2020 - 2025)

Atossa Therapeutics (ATOS) has reported Tax Rate for 6 consecutive years, with 66.76% the latest figure, recorded in Q4 2025.

• On a quarterly basis, Tax Rate fell 1762.0% year-over-year to 66.76% in Q4 2025; TTM through Jun 2026 was 19.36%, a 71.0% increase from a year earlier, with the FY2025 full-year figure at 21.0%, changed 0.0% from the prior year.
• Tax Rate was 66.76% for Q4 2025 at Atossa Therapeutics, down from 84.39% in the prior quarter.
• Over five years, Tax Rate peaked at 89.55% in Q4 2021 and troughed at 66.76% in Q4 2025.
• A 5-year average of 79.56% and a median of 81.51% in 2023 frame the typical range for Tax Rate.
• Across the five-year window, Tax Rate jumped 3952 bps in 2021 and plunged 1762 bps in 2025, its largest moves.
• Over 5 years, Tax Rate stood at 89.55% in 2021, then fell by 16 bps to 75.58% in 2022, then grew by 8 bps to 81.51% in 2023, then advanced by 4 bps to 84.39% in 2024, then dropped by 21 bps to 66.76% in 2025.
• The last three Tax Rate figures came in at 66.76% (Q4 2025), 84.39% (Q4 2024), and 81.51% (Q4 2023), per Business Quant data.