Historical stock prices for Seabright Holdings (SBX). SeaBright Holdings, Inc. is a holding company whose wholly owned subsidiary, SeaBright Insurance Company (SBIC), operates as a specialty underwriter of multi-jurisdictional workers' compensation insurance. Through its other wholly owned subsidiaries, PointSure Insurance Services, Inc. (PointSure) and Paladin Managed Care Services, Inc. (PMCS), it also provides related wholesale brokerage services and integrated managed medical care services. SBIC is a specialty provider of multi-jurisdictional workers' compensation insurance for a range of industries. PointSure is a national specialty wholesale insurance broker and program manager and offers range of coverage in all 50 states, the District of Columbia, and Guam. PointSure distributes its state act, maritime and alternative dispute resolution products and also offers insurance products from non-affiliated insurers. PMCS is a provider of medical bill review, utilization review, physician case management and related services.