---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-089621"
form_type: "8-K"
ticker: null
cik: "0001854795"
company_name: "INTEGRATED RAIL & RESOURCES ACQUISITION CORP"
filed_at: "2025-09-19T23:59:59+00:00"
generated_at: "2026-05-17T06:08:52.146529+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# SPAC stockholders approve extension of business combination deadline to Dec 31, 2025

## Summary
- Special meeting held Sept 15, 2025: 4,382,268 shares voted (~75.88% of outstanding Class A common).
- Extension proposal approved with 4,382,266 votes For, 2 Against, 0 Abstentions.
- Charter amendment filed Sept 19, 2025, extending deadline from Sept 15 to Dec 31, 2025.
- Only 11 shares redeemed in connection with the extension; Sponsor deposited $1.00 per share into trust.
- Board unanimously consented to the amendment; deadline extension allows more time for proposed merger with Uinta Infrastructure Group.

## SEC filing metadata
- accession: 0001213900-25-089621
- form_type: 8-K
- cik: 0001854795
- company_name: INTEGRATED RAIL & RESOURCES ACQUISITION CORP
- filed_at: 2025-09-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 3.03, 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1854795/000121390025089621/0001213900-25-089621-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1854795/000121390025089621/ea0254379-8k_integrated.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-089621
- JSON: https://secwatch.observer/filing/0001213900-25-089621.json
- Plain text: https://secwatch.observer/filing/0001213900-25-089621.txt

## Key facts
- Governance Changes
  INTEGRATED RAIL & RESOURCES ACQUISITION CORP: Extended date by which SPAC must complete an initial business combination from September 15, 2025 to December 31, 2025 (effective 2025-09-19).
  - Change: charter amendment
  - Effective: 2025-09-19
  source text: an amendment to SPAC’s Amended and Restated Certificate of Incorporation (as so amended, the “ Charter ”), with the Secretary of State of the State of Delaware (the “ Charter Amendment ”). The Charter Amendment extends the date by which SPAC must complete an initial business combination (the “ Deadline Date ”) from September 15, 2025 to December 31, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/1854795/000121390025089621/0001213900-25-089621-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.