StarStone National Insurance Company filed a Workers’ Compensation rate update in Connecticut, adopting approved NCCI loss costs and rating values with a 5.8% overall decrease effective January 1, 2026. The company’s experience indicated a larger cut of –14.9%, but the filing sets the LCM at 1.633, up from 1.555.
The change affects 33 policyholders and roughly $2 million in premium, reducing premiums by about $118,000. StarStone previously implemented a similar decrease in early 2025. The company also certified that no AI or machine learning was used in rate development.

