Spero Therapeutics, Inc. Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent
Spero Therapeutics, Inc. (SPRO) reported Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent of 13.50% for the 12-month period ending 2025-12-31, per its 10-K filed 2026-03-26.
Financial Statements › Expense Statement › Income Tax
us-gaap:EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost · last filed 2026-03-26
- Spero Therapeutics, Inc. effective income tax rate reconciliation, nondeductible expense, share-based payment arrangement, percent for fiscal 2025 was 13.50%, a 1587.50% increase from fiscal 2024.
- Spero Therapeutics, Inc. effective income tax rate reconciliation, nondeductible expense, share-based payment arrangement, percent for fiscal 2024 was 0.80%, a 90.59% decline from fiscal 2023.
- Spero Therapeutics, Inc. effective income tax rate reconciliation, nondeductible expense, share-based payment arrangement, percent for fiscal 2023 was 8.50%.
- Spero Therapeutics, Inc. effective income tax rate reconciliation, nondeductible expense, share-based payment arrangement, percent for fiscal 2022 was 0.00%.
| Period end | Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent 12 month |
|---|---|
| 2025-12-31 | 13.50% 10-K · filed 2026-03-26 |
| 2024-12-31 | 0.80% 10-K · filed 2026-03-26 |
| 2023-12-31 | 8.50% 10-K · filed 2025-03-27 |
| 2022-12-31 | 0.00% 10-K · filed 2024-03-13 |
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