---
type: "Bill"
title: "Extending the expiration date on the cost-sharing cap for insulin."
description: "Extending the expiration date on the cost-sharing cap for insulin."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2023-2024"
identifier: "SB 5729"
citation: "Washington SB 5729 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Keiser"]
version_count: 3
action_count: 24
vote_count: 2
first_action: "2023-02-09"
last_action: "2023-03-30"
source: "openstates"
source_identifier: "ocd-bill/eeb2c3fe-a458-408b-9d53-2a9c25bf8d82"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=5729&year=2023"
source_hash: "208d6778c50b02184b89f7fa8198c9e930c10ad2c6affd010d23cf44e4664d7b"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-wa"]
---

# Washington SB 5729 (2023-2024) — Extending the expiration date on the cost-sharing cap for insulin.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/5729.htm)
2. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/5729-S.htm)
3. **Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Passed%20Legislature/5729-S.PL.htm)

## Votes

- 3rd Reading & Final Passage (#18) — **47–0** (pass) · upper
- 3rd Reading & Final Passage (#2) — **95–2** (pass) · lower

## Sponsors

- Keiser — primary (person)
- C. Wilson — cosponsor (person)
- Cleveland — cosponsor (person)
- Hasegawa — cosponsor (person)
- Hunt — cosponsor (person)
- Kuderer — cosponsor (person)
- Nguyen — cosponsor (person)
- Shewmake — cosponsor (person)
- Stanford — cosponsor (person)
- Valdez — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-02-09** First reading, referred to Health & Long Term Care. `reading-1`
- **2023-02-14** Public hearing in the Senate Committee on Health & Long Term Care at 8:00 AM.
- **2023-02-16** Executive action taken in the Senate Committee on Health & Long Term Care at 10:30 AM.
- **2023-02-16** HLTC - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2023-02-16** Minority; without recommendation. `committee-passage-unfavorable`
- **2023-02-17** Passed to Rules Committee for second reading.
- **2023-02-22** Placed on second reading by Rules Committee. `reading-2`
- **2023-02-28** 1st substitute bill substituted (HLTC 23). `substitution`
- **2023-02-28** Rules suspended. Placed on Third Reading. `reading-3`
- **2023-02-28** Third reading, passed; yeas, 47; nays, 0; absent, 0; excused, 2. `reading-3`
- **2023-03-02** First reading, referred to Health Care & Wellness. `reading-1`
- **2023-03-14** Public hearing in the House Committee on Health Care & Wellness at 1:30 PM.
- **2023-03-17** Executive action taken in the House Committee on Health Care & Wellness at 8:00 AM.
- **2023-03-17** HCW - Majority; do pass. `committee-passage-favorable`
- **2023-03-20** Referred to Rules 2 Review. `referral-committee`
- **2023-03-21** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2023-03-22** Rules suspended. Placed on Third Reading. `reading-3`
- **2023-03-22** Third reading, passed; yeas, 95; nays, 2; absent, 0; excused, 1. `reading-3`
- **2023-03-23** President signed. `passage`
- **2023-03-24** Speaker signed. `passage`
- **2023-03-27** Delivered to Governor. `executive-receipt`
- **2023-03-30** Governor signed. `executive-signature`
- **2023-03-30** Chapter 16, 2023 Laws. `became-law`
- **2023-03-30** Effective date 7/23/2023. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/eeb2c3fe-a458-408b-9d53-2a9c25bf8d82`. Confidence: reported (aggregated from official Washington legislature records).