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Bill

SB 203

Relating to: regulation of pharmacy benefit managers, fiduciary and disclosure requirements on pharmacy benefit managers, and application of prescription drug payments to health insurance cost-sharing requirements. (FE)

2025-2026 Regular Session Introduced by Rachael Cabral-Guevara and 17 co-sponsors

Wisconsin bill imposes fiduciary duties on pharmacy benefit managers, requires transparency, and mandates prescription drug payments count toward insurance cost-sharing.

Failed to pass pursuant to Senate Joint Resolution 1
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WeVote Research Nonpartisan
Bill Summary · SB 203

Legislative bill overview

SB 203 establishes new regulatory requirements for pharmacy benefit managers (PBMs) operating in Wisconsin, including fiduciary duties and enhanced transparency requirements. The bill also mandates that prescription drug payments count toward patient health insurance cost-sharing obligations (deductibles and out-of-pocket maximums).

Why is this important

PBMs act as intermediaries between insurers, pharmacies, and patients, wielding significant control over drug pricing and access. This bill addresses growing concerns that PBMs prioritize profits over patient affordability and transparency, which directly affects what Wisconsinites pay for medications and how quickly they can access them.

Potential points of contention

  • PBM industry opposition: PBMs may argue that fiduciary requirements and disclosure mandates increase operational costs, which could be passed to insurers and ultimately consumers
  • Definition and enforceability of fiduciary duties: Disagreement over whether fiduciary standards should apply broadly or only in specific transactions, and how violations would be remedied
  • Cost-sharing credit mechanics: Pharmaceutical manufacturers, insurers, and PBMs may dispute how manufacturer rebates and discounts should be credited toward patient out-of-pocket costs without creating system complexity

Compiled from official sources — confirm details with the bill’s official record.

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