---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-060610"
form_type: "8-K"
ticker: "AA"
cik: "0001675149"
company_name: "Alcoa Corp"
filed_at: "2025-04-30T23:59:59+00:00"
generated_at: "2026-05-23T02:25:46.598506+00:00"
event_type: "litigation"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Alcoa wins Australian tax dispute; ATO may appeal within 28 days

## Summary
- ART ruled no additional tax owed on historic alumina sales transfer pricing, backing Alcoa's position.
- Prepaid $74M (A$107M) in Q3 2020; prepaid tax asset now $67M (A$107M) as of March 31, 2025.
- ATO has 28 days to appeal; if no appeal, refund of $67M expected in June 2025.
- Net cash impact over 14 months: ~$149M (A$236M) outflow at current rates (refund minus cash taxes on interest deductions).
- Dispute covered transfer pricing on third-party alumina sales; no additional tax owed per ART decision.

## SEC filing metadata
- accession: 0000950170-25-060610
- form_type: 8-K
- ticker: AA
- cik: 0001675149
- company_name: Alcoa Corp
- filed_at: 2025-04-30T23:59:59+00:00
- event_type: litigation
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1675149/000095017025060610/0000950170-25-060610-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1675149/000095017025060610/aa-20250430.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-060610
- JSON: https://secwatch.observer/filing/0000950170-25-060610.json
- Plain text: https://secwatch.observer/filing/0000950170-25-060610.txt

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