Arch Capital Group ACGL Third party claims-made business — Year Five

Other product segments

Similar metrics at other companies

HIGGeneral Liability — 5th Year

14.9%-0.6pp

CNAOther Professional Liability and Management Liability — Year 5

11.5%+1.0pp

KNSLCasualty - claims made — Historical Claims Duration, Year Five

9%-0.9pp

TRVGeneral Liability — Short-duration Insurance Contracts, Historical Claims Duration, Year Five

26.1%+0.2pp

CNAGeneral Liability — Year 5

14.5%+0.7pp

HIGProperty Insurance — 5th Year

1.9%-0.4pp

Questions, answered.

What is Arch Capital Group's third party claims-made business — year five?

Arch Capital Group (ACGL) reported third party claims-made business — year five of 13.3% in Q4 2025.

How has Arch Capital Group's third party claims-made business — year five changed year-over-year?

Arch Capital Group's third party claims-made business — year five decreased by 7.0% year-over-year, from 14.3% to 13.3%.

What does third party claims-made business — year five mean?

This metric represents the cumulative incurred losses or claims development for third-party claims-made insurance policies at the five-year maturity point. It provides insight into the long-term loss emergence patterns and the accuracy of initial underwriting reserves for this specific product line. Monitoring this helps investors assess the stability of the company's long-tail liability underwriting.