---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-142865"
form_type: "8-K"
ticker: "VMC"
cik: "0001396009"
company_name: "Vulcan Materials CO"
filed_at: "2022-05-06T23:59:59+00:00"
generated_at: "2026-06-25T22:55:22.010341+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Vulcan Materials Mexican subsidiary gets unexpected shutdown orders

## Summary
- On May 5, 2022, Mexican officials ordered immediate halt to underwater quarrying at SAC TUN in Quintana Roo.
- Company believes order is illegal, has permits, and will pursue all legal avenues to resume operations.
- Vulcan has quarried limestone legally in Mexico for over 30 years and owns the land and reserves.
- Ongoing NAFTA arbitration with Mexico since 2018; hearing July 2021, decision expected H2 2022.
- Company has export-ready inventory at port and recently obtained a three-year customs permit in March.

## SEC filing metadata
- accession: 0001193125-22-142865
- form_type: 8-K
- ticker: VMC
- cik: 0001396009
- company_name: Vulcan Materials CO
- filed_at: 2022-05-06T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1396009/000119312522142865/0001193125-22-142865-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396009/000119312522142865/d317248d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-142865
- JSON: https://secwatch.observer/filing/0001193125-22-142865.json
- Plain text: https://secwatch.observer/filing/0001193125-22-142865.txt

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