secwatch.observer — SEC 8-K summary
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Issuer:     Alcoa Corp (AA)
CIK:        0001675149
Form:       8-K
Filed at:   2025-09-30T23:59:59+00:00
Accession:  0001193125-25-223652
Event type: other_material
Sentiment:  negative
Materiality: 0.85
Item codes: 2.05, 2.06
LLM model:  deepseek-v4-flash:cloud@v2

Alcoa permanently closes Kwinana alumina refinery; records ~$890M charges
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- Total restructuring charges of ~$890M ($623M after-tax, $2.41/share) in Q3 2025.
- Charges include $425M for asset retirement/environmental remediation and $265M of asset impairments.
- Total cash outlays expected ~$600M over six years; ~$75M in Q4 2025 (restructuring $45M, retirement $30M).
- Refinery has 2.2M metric ton nameplate capacity; fully curtailed since June 2024; ~220 employees affected.
- Demolition and remediation to begin in 2026, continuing over next six years.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1675149/000119312525223652/0001193125-25-223652-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1675149/000119312525223652/aa-20250929.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-223652

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