On July 28, 2025, in Express Scripts, Inc. et al v. Richmond et al, the United States District Court for the Eastern District of Arkansas granted the plaintiffs’ motion for a preliminary injunction to prevent enforcement of Arkansas Act 624, which restricts pharmacy benefit managers (PBMs) from owning and operating pharmacies in the state. The court agreed with the plaintiffs, several PBMs and an industry trade group, that Act 624 likely violates the Commerce Clause of the U.S. Constitution and