---
schema_version: "secwatch.filing_event.v1"
accession: "0001739445-24-000148"
form_type: "8-K"
ticker: "ACA"
cik: "0001739445"
company_name: "Arcosa, Inc."
filed_at: "2024-10-30T23:59:59+00:00"
generated_at: "2026-05-30T08:24:08.250167+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Arcosa Q3 Adj EBITDA +28% to $114M, raises FY24 guidance post $1.2B Stavola deal

## Summary
- Q3 Adj EBITDA $114M (+28%), Adj EPS $0.91 (+25%), operating CF $135M, free CF $107M.
- Construction Products Adj Segment EBITDA +21% to $71M; margin 26.7% (+430 bps).
- Engineered Structures revenue +26% to $279M; Adj Segment EBITDA +74%; backlog $1.26B.
- Closed $1.2B Stavola aggregates acquisition on Oct 1; issued $600M 6.875% notes.
- Raised FY24 Adj EBITDA guidance to $435-450M from $420-440M; pro forma Net Debt/EBITDA 3.4x.

## SEC filing metadata
- accession: 0001739445-24-000148
- form_type: 8-K
- ticker: ACA
- cik: 0001739445
- company_name: Arcosa, Inc.
- filed_at: 2024-10-30T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1739445/000173944524000148/0001739445-24-000148-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1739445/000173944524000148/aca-20241030.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001739445-24-000148
- JSON: https://secwatch.observer/filing/0001739445-24-000148.json
- Plain text: https://secwatch.observer/filing/0001739445-24-000148.txt

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