---
type: "Bill"
title: "Uniform Antitrust Pre-Merger Notification Act"
description: "The act enacts the \"Uniform Antitrust Pre-Merger Notification Act\", drafted by the Uniform Law Commission. The act:"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2025A"
identifier: "SB 25-126"
citation: "Colorado SB 25-126 (2025A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Cecelia Espenoza", "Marc Snyder"]
version_count: 9
action_count: 14
vote_count: 3
first_action: "2025-02-05T07:00:00+00:00"
last_action: "2025-06-04T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/2a900b91-5963-40e9-9f25-de3ad60b1551"
source_url: "https://leg.colorado.gov/bills/sb25-126"
source_hash: "74bd7c9cbd78ad1f986a357ee747d41b8c9a51ed01d9217c4406d76e41f65720"
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-co"]
---

# Colorado SB 25-126 (2025A) — Uniform Antitrust Pre-Merger Notification Act

The act enacts the "Uniform Antitrust Pre-Merger Notification Act", drafted by the Uniform Law Commission. The act:

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2025a_sb126_h_app_004.pdf)
2. **Engrossed (04/17/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_126_eng.pdf)
3. **Final Act (05/13/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_126_enr.pdf)
4. **Introduced (02/05/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_126_01.pdf)
5. **PA1 (04/15/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_126_s_app_01.pdf)
6. **Reengrossed (04/21/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_126_ren.pdf)
7. **Rerevised (05/01/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_126_rer.pdf)
8. **Revised (04/30/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_126_rev.pdf)
9. **Signed Act (06/04/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2025a_126_signed.pdf)

## Votes

- AMD — **27–36** (fail) · lower
- BILL — **40–23** (pass) · lower
- BILL — **23–12** (pass) · upper

## Sponsors

- Cecelia Espenoza — primary (person)
- Marc Snyder — primary (person)
- E. Sirota — cosponsor (person)
- I. Jodeh — cosponsor (person)
- J. Mabrey — cosponsor (person)
- L. Cutter — cosponsor (person)
- M. Duran — cosponsor (person)
- M. Weissman — cosponsor (person)
- N. Hinrichsen — cosponsor (person)
- Y. Zokaie — cosponsor (person)

## Timeline

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

- **2025-06-04T06:00:00+00:00** Governor Signed `executive-signature`
- **2025-05-13T06:00:00+00:00** Signed by the Speaker of the House
- **2025-05-13T06:00:00+00:00** Signed by the President of the Senate
- **2025-05-13T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2025-05-01T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2025-04-30T06:00:00+00:00** House Second Reading Special Order - Passed - No Amendments
- **2025-04-30T06:00:00+00:00** House Committee on Appropriations Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2025-04-28T06:00:00+00:00** House Committee on Judiciary Refer Unamended to Appropriations `referral-committee`
- **2025-04-21T06:00:00+00:00** Introduced In House - Assigned to Judiciary `introduction`
- **2025-04-21T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2025-04-17T06:00:00+00:00** Senate Second Reading Passed with Amendments - Committee `reading-2`
- **2025-04-15T06:00:00+00:00** Senate Committee on Appropriations Refer Amended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2025-03-03T07:00:00+00:00** Senate Committee on Judiciary Refer Unamended to Appropriations `referral-committee`
- **2025-02-05T07:00:00+00:00** Introduced In Senate - Assigned to Judiciary `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2a900b91-5963-40e9-9f25-de3ad60b1551`. Confidence: reported (aggregated from official Colorado legislature records).