Spero Therapeutics (SPRO) Change in Taxes (2023 - 2026)

Spero Therapeutics (SPRO) has 4 years of Change in Taxes data on file, last reported at -$220000.0 in Q1 2026.

• Quarterly Change in Taxes changed N/A year-over-year to -$220000.0 in Q1 2026, while the trailing twelve-month figure through Mar 2026 was -$11000.0 (up 99.46% YoY) and the FY2025 annual result came in at $209000.0, up 198.12% from the prior year.
• Change in Taxes eased to -$220000.0 in Q1 2026, from $220000.0 in the prior quarter.
• In the past five years, Change in Taxes ranged from a high of $220000.0 in Q4 2025 to a low of -$1.8 million in Q4 2023.
• A 4-year average of -$341333.3 and a median of -$115500.0 in 2025 frame the typical range for Change in Taxes.
• Annual changes were most pronounced in 2024 — Change in Taxes soared 104.22% — and 2025, when it surged 185.71%.
• Tracing SPRO's Change in Taxes over 4 years: stood at -$1.8 million in 2023, then surged by 104.22% to $77000.0 in 2024, then surged by 185.71% to $220000.0 in 2025, then slumped by 200.0% to -$220000.0 in 2026.
• The last three Change in Taxes figures came in at -$220000.0 (Q1 2026), $220000.0 (Q4 2025), and -$11000.0 (Q2 2025), per Business Quant data.