Short answer
Arcosa, Inc. (ACA) filed an 8-K current report with the SEC on July 15, 2026 reporting Item 1.04 (Mine Safety: Reporting of Shutdowns and Patterns of Violations). MSHA Section 107(a) order at Stavola Bound Brook Quarry after highwall material fell during drilling.
Arcosa, Inc. 8-K event analysis
AI summary of each reported item and its exhibits
Item 1.04 · Mine Safety: Reporting of Shutdowns and Patterns of Violations
- MSHA Section 107(a) order at Stavola Bound Brook Quarry after highwall material fell during drilling
- Track drill withdrawn pending highwall integrity evaluation, creating a temporary operational interruption
- Order terminated shortly after inspection and consultation with MSHA, driller, blaster, and Company personnel
- Track drill relocated and normal operations resumed, limiting apparent production impact
- No injuries reported from the incident
Generated from the filing text and exhibits; verify against the original. What 8-K item codes mean
Other Arcosa, Inc. 8-K filings
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