MAG Mutual Insurance Company has filed to adopt new advisory loss costs in Maryland for its Workers Compensation program, effective January 1, 2025, for both new and renewal business. The filing impacts three policyholders and approximately $40,000 in written premium.

The submission adopts NCCI filing NCCI-134209541, resulting in an overall rate decrease of 5%. Although MAG Mutual missed the original submission deadline, the company implemented the updated loss costs in its system on time. The filing, submitted by Martin & Company on behalf of MAG Mutual, was later approved despite an initial delay caused by missing markups in the documentation.

This filing follows a prior rate revision of -0.7% effective March 1, 2024 (SERFF MAGM-133831375). The program primarily serves physician officer personnel under class code 8832 and remains a small, specialty segment for the company. The filing received a final status of Closed–Approved.