The Evidence Base Post 08 April 2026 Value Viewpoint: Prying open the pharmacy benefit manager black box to decode the 2026 PBM reforms Kimberly Westrich, Kenneth Finegold & Roswell Cole Register with The Evidence Base for free to access this content Already have an account? Sign in By registering with The Evidence Base, you will receive our weekly round-up and other relevant editorial content. You can opt-out at any time. View our privacy policy here.