PolicyBrief
S. 4189
119th CongressJul 22nd 2026
Improving Needed Safeguards for Users of Lifesaving Insulin Now Act of 2026
AWAITING SENATE

The INSULIN Act of 2026 aims to lower healthcare costs by capping out-of-pocket insulin prices, increasing pharmacy benefit manager transparency, accelerating generic and biosimilar competition, and expanding access programs for the uninsured.

Jeanne Shaheen
D

Jeanne Shaheen

Senator

NH

LEGISLATION

Insulin Costs Capped at $35: New Bill Mandates Price Limits and PBM Transparency by 2027

The Improving Needed Safeguards for Users of Lifesaving Insulin Now Act of 2026 is a massive overhaul aimed at one of the most persistent pain points in American healthcare: the cost of insulin. Starting January 1, 2027, the bill mandates that private group health plans and insurance issuers cap out-of-pocket costs for selected insulin products at $35 for a 30-day supply. Crucially, it prohibits these plans from applying a deductible to these products, meaning you won’t have to shell out thousands of dollars at the start of the year before your benefits kick in. For a retail worker or a software developer on a high-deductible plan, this translates to immediate, predictable savings at the pharmacy counter every single month.

Opening the Black Box of Drug Pricing

One of the most significant shifts in this bill happens behind the scenes with Pharmacy Benefit Managers (PBMs)—the middlemen who negotiate drug prices. Title II requires PBMs to pass 100% of all insulin-related rebates and fees directly back to the health plan. Currently, these rebates often disappear into the pockets of middlemen, but under this law, those savings must be remitted within 90 days of the calculation period. By forcing this transparency, the bill aims to lower the overall premiums for employers and workers alike, as the actual discounts negotiated with manufacturers are finally being used to reduce the cost of the plan itself rather than padding corporate bottom lines.

Clearing the Path for Competition

To keep prices low in the long run, the bill takes aim at the legal maneuvers often used to keep cheaper generic drugs off the market. Title III introduces a "competitive biosimilar therapy" designation, which allows the FDA to fast-track the development and review of insulin alternatives when there are fewer than three competing products available. It also cracks down on "citizen petitions"—a tactic where companies file paperwork specifically to delay a competitor’s approval. If the FDA finds a petition was filed primarily for delay, they are now required to refer the matter to the Federal Trade Commission for a potential antitrust investigation. For the average person, this means a more crowded, competitive market that naturally drives down the price of the "name brand" pens and vials.

A Safety Net for the Uninsured

Recognizing that the most vulnerable often pay the highest prices, the bill establishes a five-year pilot program starting in 2027. It authorizes $100 million for grants to 10 states with the highest rates of uninsured residents and diabetes. These states will work with community health centers and retail pharmacies to ensure that even those without a job or insurance can access insulin for no more than $35 a month. Additionally, a new 24/7 national hotline and resource center will be launched to help people navigate manufacturer assistance programs. While the bill’s "Sense of Congress" suggests that future laws should find ways to pay for these federal costs, the immediate priority is clear: ensuring that life-saving medicine doesn't bankrupt the people who need it to survive.