---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-035795"
form_type: "8-K"
ticker: "ACA"
cik: "0001739445"
company_name: "Arcosa, Inc."
filed_at: "2026-09-04T20:31:26+00:00"
generated_at: "2026-09-04T20:32:07.590748+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Arcosa shareholders approve CRH Americas merger; 99.8% vote in favor

## Summary
- Merger Agreement approved with 39,595,867 for, 66,113 against, 16,786 abstentions.
- Non-binding advisory compensation proposal approved: 31,492,428 for, 8,085,623 against.
- Adjournment proposal not needed as merger proposal passed.
- Special meeting held Sept 4, 2026; quorum of 80.8% of shares present.
- Merger with CRH Americas, Inc. and Neon Merger Sub; Arcosa to become wholly owned subsidiary.

## SEC filing metadata
- accession: 0001140361-26-035795
- form_type: 8-K
- ticker: ACA
- cik: 0001739445
- company_name: Arcosa, Inc.
- filed_at: 2026-09-04T20:31:26+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1739445/000114036126035795/0001140361-26-035795-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1739445/000114036126035795/ef20081570_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-035795
- JSON: https://secwatch.observer/filing/0001140361-26-035795.json
- Plain text: https://secwatch.observer/filing/0001140361-26-035795.txt

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