X4 Pharmaceuticals (XFOR) Tax Rate (2020 - 2025)

X4 Pharmaceuticals has reported Tax Rate for 6 years, with the latest figure at 0.1% in Q3 2025.

• For the quarter ending Q3 2025, Tax Rate rose 14.0% year-over-year to 0.1%; the trailing twelve-month figure through Dec 2025 stood at 0.05% (up 78.0% YoY), and the FY2025 full-year result was 0.05%, up 78.0% from the prior year.
• Tax Rate for Q3 2025 stood at 0.1%, up from 0.14% in the prior quarter.
• The five-year high for Tax Rate was 10.76% in Q1 2025, with the low at 1.14% in Q3 2023.
• Historically, Tax Rate has averaged 0.44% across 5 years, with a median of 0.03% in 2021.
• Annual changes were most pronounced in 2023 — Tax Rate sank 120 bps — and 2025, when it surged 1080 bps.
• X4 Pharmaceuticals' Tax Rate stood at 0.01% in 2021, then tumbled by 385 bps to 0.05% in 2022, then sank by 259 bps to 0.17% in 2023, then plunged by 277 bps to 0.65% in 2024, then surged by 115 bps to 0.1% in 2025.
• The last three Tax Rate figures came in at 0.1% (Q3 2025), 0.14% (Q2 2025), and 10.76% (Q1 2025), per Business Quant data.