secwatch / observer
8-K filed Dec 16, 2025 23:59 UTC ticker ACA CIK 0001739445
regulatory confidence high sentiment negative materiality 0.25

Arcosa receives MSHA 107(a) order at DeRidder, LA aggregate site; terminated quickly, no injuries

Arcosa, Inc.

Machine-readable event card

schema_version
secwatch.filing_event.v1
accession
0001739445-25-000140
form_type
8-K
ticker
ACA
cik
0001739445
company_name
Arcosa, Inc.
filed_at
2025-12-16T23:59:59+00:00
discovered_at
2026-05-14T18:02:40.288963+00:00
generated_at
2026-05-16T13:04:40.690414+00:00
sec_items
["1.04"]
event_type
regulatory
sentiment
negative
materiality_score
0.25
confidence
high
secwatch_canonical_url
https://secwatch.observer/filing/0001739445-25-000140
json_url
https://secwatch.observer/filing/0001739445-25-000140.json
markdown_url
https://secwatch.observer/filing/0001739445-25-000140.md
text_url
https://secwatch.observer/filing/0001739445-25-000140.txt
edgar_index_url
https://www.sec.gov/Archives/edgar/data/1739445/000173944525000140/0001739445-25-000140-index.htm
edgar_primary_document_url
https://www.sec.gov/Archives/edgar/data/1739445/000173944525000140/aca-20251211.htm
generated_by_model
deepseek-v4-flash:cloud@v2
review_status
machine_generated
human_reviewed
false
corrected
false
correction_note
null
correction_timestamp
null
superseded_by
null
Source: SEC EDGAR
accession 0001739445-25-000140

This headline and bullets were generated automatically by deepseek-v4-flash:cloud@v2 from the public filing. Read the source on SEC.gov before relying on any specific claim. Not investment advice. See methodology for how this pipeline works.