secwatch.observer — SEC 8-K summary
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Issuer:     KAISER ALUMINUM CORP (KALU)
CIK:        0000811596
Form:       8-K
Filed at:   2025-04-02T23:59:59+00:00
Accession:  0000950170-25-049438
Event type: other_material
Sentiment:  neutral
Materiality: 0.55
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Kaiser Aluminum changes inventory accounting from LIFO to WAC; restates 2023-2024 results
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- Effective Jan 1, 2025, switches from LIFO to weighted average cost for virtually all inventories; applied retrospectively.
- Restated 2023: net income increased $20.6M to $67.8M; retained earnings as of Dec 31, 2023: $66.3M (up $56.2M).
- Restated 2024: net income increased $18.9M to $65.7M; retained earnings as of Dec 31, 2024: $81.3M (up $75.1M).
- Inventory increased $73.5M to $550.7M at Dec 31, 2023, and $98.0M to $601.9M at Dec 31, 2024.
- Company cites improved comparability, better reflects physical flow of goods, and simplifies financial close.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/811596/000095017025049438/0000950170-25-049438-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/811596/000095017025049438/kalu-20250402.htm
  HTML page:      https://secwatch.observer/filing/0000950170-25-049438

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