secwatch.observer — SEC 8-K summary
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Issuer:     Arcosa, Inc. (ACA)
CIK:        0001739445
Form:       8-K
Filed at:   2025-12-16T23:59:59+00:00
Accession:  0001739445-25-000140
Event type: regulatory
Sentiment:  negative
Materiality: 0.25
Item codes: 1.04
LLM model:  deepseek-v4-flash:cloud@v2

Arcosa receives MSHA 107(a) order at DeRidder, LA aggregate site; terminated quickly, no injuries
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- MSHA issued section 107(a) order on Dec 11, 2025, at Arcosa Aggregates Gulf Coast in DeRidder, Louisiana.
- Order concerned a third-party contractor observed walking on a fuel tank without fall protection.
- Order terminated shortly after contractor was safely removed; no injuries occurred.
- Company took immediate corrective action following the incident.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1739445/000173944525000140/0001739445-25-000140-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1739445/000173944525000140/aca-20251211.htm
  HTML page:      https://secwatch.observer/filing/0001739445-25-000140

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