KAISER ALUMINUM CORP Common Stock Shares Outstanding

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KAISER ALUMINUM CORP reported Common Stock Shares Outstanding of 16.21 million shares for the year ending 2025.

  • KAISER ALUMINUM CORP showed an increase of +0.7% in Common Stock Shares Outstanding from 2024 to 2025.
  • This data is from KAISER ALUMINUM CORP's annual report (Form 10-K), filed with the SEC on February 19, 2026.
  • XBRL data for this metric is available from 2009 to 2025 (17 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
  • Over the full 17 years of available data (2009 to 2025), KAISER ALUMINUM CORP's Common Stock Shares Outstanding has declined by 20.1%.
  • Historical annual values: Fiscal year 2025: 16.21 million shares | Fiscal year 2024: 16.10 million shares | Fiscal year 2023: 16.02 million shares | Fiscal year 2022: 15.94 million shares | Fiscal year 2021: 15.87 million shares | Fiscal year 2020: 15.81 million shares | Fiscal year 2019: 15.87 million shares | Fiscal year 2018: 16.23 million shares | Fiscal year 2017: 16.77 million shares | Fiscal year 2016: 17.65 million shares | Fiscal year 2015: 18.05 million shares | Fiscal year 2014: 17.61 million shares | Fiscal year 2013: 18.15 million shares | Fiscal year 2012: 19.31 million shares | Fiscal year 2011: 19.25 million shares | Fiscal year 2010: 19.21 million shares | Fiscal year 2009: 20.28 million shares.
  • Data sourced from SEC EDGAR public filings as of June 23, 2026.

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