California Senate Passes Bill Regulating Pharmacy Benefit Managers - Reed Smith LLP
California Senate passed a bill regulating Pharmacy Benefit Managers (PBMs), aiming to increase transparency and reduce costs for pharmacies and patients. The bill imposes new requirements on PBMs, affecting how pharmacies contract and get reimbursed.
Aforeworn detected this change in the Pharmacy & Controlled Substances space on July 28, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Independent pharmacies, retail chains, compounding pharmacies, long-term-care pharmacies in California should confirm how it applies to their specific situation before acting. There is a time constraint attached: Effective date upon governor's signature; likely within 90 days.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Pharmacy & Controlled Substances continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
New regulations on PBM practices, including transparency in pricing, prohibition of certain clawbacks, and requirements for network adequacy.
Who it affects
Independent pharmacies, retail chains, compounding pharmacies, long-term-care pharmacies in California
What you must do
Review and renegotiate PBM contracts to ensure compliance with new transparency and reimbursement rules.
Deadline
Effective date upon governor's signature; likely within 90 days.
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