# 119-s-4189: INSULIN Act of 2026

119-s-4189, INSULIN Act of 2026, is a 119th Congress bill sponsored by Sen. Shaheen, Jeanne [D-NH] (D-NH); status in_committee; PRIA reads it as touching household money (as of 2026-08-13).

- Canonical: https://policyrisk.com/legislation/119-s-4189
- As of: 2026-08-13
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: 119-s-4189
- Congress: 119
- Title: INSULIN Act of 2026
- Status: in_committee
- Introduced: 2026-03-25
- Sponsor: Sen. Shaheen, Jeanne [D-NH] (D-NH)
- Cosponsors: 28
- Policy area: Health
- Touches household money: yes
- Last recorded action: 2026-08-13

## Summary

**Insulin cost‑sharing caps** are the centerpiece of this bill. It limits what patients pay for insulin across private plans, forces rebate pass‑through to plans, and speeds biosimilar competition to lower prices.

## Cosponsors (28)

- Sen. Collins, Susan M. [R-ME] (R-ME), 2026-03-25T00:00:00.000Z
- Sen. Warnock, Raphael G. [D-GA] (D-GA), 2026-03-25T00:00:00.000Z
- Sen. Kennedy, John [R-LA] (R-LA), 2026-03-25T00:00:00.000Z
- Sen. Rosen, Jacky [D-NV] (D-NV), 2026-03-25T00:00:00.000Z
- Sen. Tuberville, Tommy [R-AL] (R-AL), 2026-03-25T00:00:00.000Z
- Sen. King, Angus S., Jr. [I-ME] (I-ME), 2026-03-25T00:00:00.000Z
- Sen. Murkowski, Lisa [R-AK] (R-AK), 2026-03-25T00:00:00.000Z
- Sen. Kelly, Mark [D-AZ] (D-AZ), 2026-03-25T00:00:00.000Z
- Sen. Grassley, Chuck [R-IA] (R-IA), 2026-03-25T00:00:00.000Z
- Sen. Baldwin, Tammy [D-WI] (D-WI), 2026-03-25T00:00:00.000Z
- Sen. Britt, Katie Boyd [R-AL] (R-AL), 2026-03-25T00:00:00.000Z
- Sen. Coons, Christopher A. [D-DE] (D-DE), 2026-04-27T00:00:00.000Z
- Sen. Wicker, Roger F. [R-MS] (R-MS), 2026-04-27T00:00:00.000Z
- Sen. Kaine, Tim [D-VA] (D-VA), 2026-05-18T00:00:00.000Z
- Sen. Capito, Shelley Moore [R-WV] (R-WV), 2026-05-18T00:00:00.000Z
- Sen. Blunt Rochester, Lisa [D-DE] (D-DE), 2026-05-19T00:00:00.000Z
- Sen. Justice, James C. [R-WV] (R-WV), 2026-05-19T00:00:00.000Z
- Sen. Ernst, Joni [R-IA] (R-IA), 2026-06-03T00:00:00.000Z
- Sen. Hickenlooper, John W. [D-CO] (D-CO), 2026-06-03T00:00:00.000Z
- Sen. Cramer, Kevin [R-ND] (R-ND), 2026-06-04T00:00:00.000Z
- Sen. Alsobrooks, Angela D. [D-MD] (D-MD), 2026-06-04T00:00:00.000Z
- Sen. Hyde-Smith, Cindy [R-MS] (R-MS), 2026-06-09T00:00:00.000Z
- Sen. Cortez Masto, Catherine [D-NV] (D-NV), 2026-06-09T00:00:00.000Z
- Sen. Banks, Jim [R-IN] (R-IN), 2026-06-10T00:00:00.000Z
- Sen. Booker, Cory A. [D-NJ] (D-NJ), 2026-06-10T00:00:00.000Z
- Sen. McCormick, David [R-PA] (R-PA), 2026-06-18T00:00:00.000Z
- Sen. Slotkin, Elissa [D-MI] (D-MI), 2026-06-18T00:00:00.000Z
- Sen. Warner, Mark R. [D-VA] (D-VA), 2026-07-21T00:00:00.000Z

## Provisions PRIA read

- Lower insulin costs for insured people: benefit, high. If enacted, group and individual health plans would have to cover certain "selected insulin products" without applying any deductible. For plan years that start before January 1, 2028, patient cost-sharing would be capped at $35 per 30‑day supply. For plan years that start on or after January 1, 20…
- Help for uninsured people needing insulin: benefit, medium. If enacted, HHS would fund an Insulin Resource Center run by non‑manufacturer groups and a 24/7 hotline to help uninsured people find assistance. The center would get $2,000,000 per year for fiscal years 2027 through 2032. The bill would also create a five‑year state pilot giving grants to 10 State…
- Speed biosimilars and curb delays: benefit, medium. If enacted, the FDA would get a new "competitive biosimilar" designation when a market has fewer than three licensed products and three years have passed since exclusivity ended. The FDA would decide designation requests within 60 calendar days. Designation would give sponsors more meetings, senior…

## Related bills

- 119-s-2296: National Defense Authorization Act for Fiscal Year 2026
- 119-sres-913: A resolution relating to the death of the Honorable Nancy Kassebaum, former United States Senator for the State of Kansas.
- 119-sres-897: A resolution honoring the life, service, and legacy of the Honorable Jon Llewellyn Kyl, former Senator for the State of Arizona.
- 119-sres-801: A resolution honoring the life and legacy of the Honorable Lindsey Olin Graham, a Senator from the State of South Carolina.
- 119-sres-755: A resolution honoring the life of the Honorable Donald W. Riegle, Jr., former Senator for the State of Michigan.
- 119-sres-739: A resolution honoring the life and legacy of John Seymour, the late Senator for the State of California.

## Sources
- [119-s-4189 on Congress.gov](https://www.congress.gov/bill/119th-congress/senate-bill/4189)

## Related
- [119-s-2296: National Defense Authorization Act for Fiscal Year 2026](https://policyrisk.com/legislation/119-s-2296)
- [119-sres-913: A resolution relating to the death of the Honorable Nancy Kassebaum, former Uni…](https://policyrisk.com/legislation/119-sres-913)
- [119-sres-897: A resolution honoring the life, service, and legacy of the Honorable Jon Llewel…](https://policyrisk.com/legislation/119-sres-897)
- [119-sres-801: A resolution honoring the life and legacy of the Honorable Lindsey Olin Graham,…](https://policyrisk.com/legislation/119-sres-801)
- [119-sres-755: A resolution honoring the life of the Honorable Donald W. Riegle, Jr., former S…](https://policyrisk.com/legislation/119-sres-755)
- [119-sres-739: A resolution honoring the life and legacy of John Seymour, the late Senator for…](https://policyrisk.com/legislation/119-sres-739)
- [All bills in Congress](https://policyrisk.com/legislation)

Source: PRIA, https://policyrisk.com/legislation/119-s-4189 (as of 2026-08-13).