What does other personal lines — prior accident years mean?

This metric represents the net change in estimated liabilities for insurance claims that occurred in previous reporting periods. It reflects the development of loss reserves as actual claim settlements deviate from initial actuarial projections. Positive values indicate unfavorable development, requiring additional reserve strengthening, while negative values indicate favorable development.

Cincinnati Financial CINF Other Personal Lines — Prior accident years

Similar metrics at other companies

ALLOther Personal Lines — Prior years

-$54M-202%

THGPersonal Lines — Prior Year Favorable Catastrophe Development

-$21.3M-2,030%

THGPersonal Lines — Prior Year Claims Adjustment Expense Excluding Catastrophes

-$9.2M-229%

ALLPersonal other auto coverages — Prior years

$163M—

MKLProfessional liability — Incurred losses and loss adjustment expenses, prior accident years

$2.25M+122%

HIGProperty, Liability and Casualty Insurance Product Line — Prior accident year development [1]

-$41M+66.4%

Other financials

Income statement

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Revenue$2.9B+11.6%

Net income$274.0M+404%

EPS (diluted)$1.75+407%

Balance sheet

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Cash & equivalents$1.2B+19.8%

Total debt$791.0M+0.1%

Total equity$15.7B+14.6%

Total assets$41.2B+10.6%

Cash flow

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Operating cash flow$656.0M+112%

CapEx$2.0M-33.3%

Free cash flow$654.0M+113%

Valuation

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Market cap$28.64B+30.4%

Enterprise value$28.22B+29.7%

P/E10.4×-1.7×

P/S2.2×+0.3×

Profitability

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Net margin21.3%+8.1pp

FCF margin26.6%+3.0pp

Returns & leverage

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Return on equity18.7%+7.8pp

Debt / equity0.1×0.0×

Where this comes from

Reported directly by Cincinnati Financial in its filing.

Tagged under the XBRL concept us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense.

The official record: Cincinnati Financial’s 10-K, filed February 23, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Cincinnati Financial's other personal lines — prior accident years?: Cincinnati Financial (CINF) reported other personal lines — prior accident years of $9M in Q4 2025.
What does other personal lines — prior accident years mean?: This metric represents the net change in estimated liabilities for insurance claims that occurred in previous reporting periods. It reflects the development of loss reserves as actual claim settlements deviate from initial actuarial projections. Positive values indicate unfavorable development, requiring additional reserve strengthening, while negative values indicate favorable development.