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Allstate ALL Auto insurance - liability coverage — Prior year reserve reestimates
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Where this comes from
Reported directly by Allstate in its filing.
Tagged under the XBRL concept all:ShortTermDurationInsuranceContractsPriorYearReserveEstimatesIncreaseDecrease.
The source filing: Allstate’s 10-K, filed February 20, 2026.
- Filed
- Feb 19, 2026, 7:00 PM EST
- Fiscal year
- FY2025
- Accession
- 0000899051-26-000031
| ($ in millions, except number of reported claims) / Accident year | Incurred claims and allocated claim adjustment expenses, net of recoverables / For the years ended December 31, 2021 | Incurred claims and allocated claim adjustment expenses, net of recoverables / For the years ended December 31, 2022 | Incurred claims and allocated claim adjustment expenses, net of recoverables / For the years ended December 31, 2023 | Incurred claims and allocated claim adjustment expenses, net of recoverables / For the years ended December 31, 2024 | Incurred claims and allocated claim adjustment expenses, net of recoverables / For the years ended December 31, 2025 | Prior year reserve reestimates | Cumulative number of reported claims (in thousands) / As of December 31, 2025 |
|---|---|---|---|---|---|---|---|
| 2023 | — | — | 15,357 | 14,817 | 14,452 | (365) | 2,602 |
| 2024 | — | — | — | 15,902 | 15,191 | (711) | 2,463 |
| 2025 | — | — | — | — | 16,095 | 2,403 | |
| Total | $70,150 | $(1,520) | |||||
| Reconciliation to total prior year reserve reestimates recognized by line | |||||||
| Prior year reserve reestimates for pre-2021 accident years | (34) | ||||||
| Prior year reserve reestimates for ULAE | (70) | ||||||
| Other | — |
Item 8. Financial Statements and Supplementary Data
FAQ
- What is Allstate's auto insurance - liability coverage — prior year reserve reestimates?
- Allstate (ALL) reported auto insurance - liability coverage — prior year reserve reestimates of -$380M in Q4 2025.
- How has Allstate's auto insurance - liability coverage — prior year reserve reestimates changed year-over-year?
- Allstate's auto insurance - liability coverage — prior year reserve reestimates decreased by 182.5% year-over-year, from -$134.5M to -$380M.
- What is the long-term trend for Allstate's auto insurance - liability coverage — prior year reserve reestimates?
- Over 4 years (2021 to 2025), Allstate's auto insurance - liability coverage — prior year reserve reestimates has grown at a 45.3% compound annual growth rate (CAGR), from $341M to -$1.52B.
- What does auto insurance - liability coverage — prior year reserve reestimates mean?
- This represents adjustments made to the liability reserves established in previous years for the auto liability segment. It reflects the difference between the initial estimated cost of claims and the updated assessment based on new information or claim development. Positive or negative adjustments indicate the accuracy of historical actuarial reserving practices.
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