Karyopharm Therapeutics Inc. Common Stock Shares Outstanding

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Karyopharm Therapeutics Inc. reported Common Stock Shares Outstanding of 18.31 million shares for the year ending 2025.

  • Karyopharm Therapeutics Inc. showed an increase of +117.7% in Common Stock Shares Outstanding from 2024 to 2025.
  • This data is from Karyopharm Therapeutics Inc.'s annual report (Form 10-K), filed with the SEC on February 13, 2026.
  • XBRL data for this metric is available from 2012 to 2025 (14 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
  • Over the full 14 years of available data (2012 to 2025), Karyopharm Therapeutics Inc.'s Common Stock Shares Outstanding has grown by 762.3%.
  • Historical annual values: Fiscal year 2025: 18.31 million shares | Fiscal year 2024: 8.41 million shares | Fiscal year 2023: 114.92 million shares | Fiscal year 2022: 113.21 million shares | Fiscal year 2021: 75.75 million shares | Fiscal year 2020: 73.92 million shares | Fiscal year 2019: 65.37 million shares | Fiscal year 2018: 60.83 million shares | Fiscal year 2017: 49.53 million shares | Fiscal year 2016: 41.89 million shares | Fiscal year 2015: 35.86 million shares | Fiscal year 2014: 32.70 million shares | Fiscal year 2013: 29.59 million shares | Fiscal year 2012: 2.12 million shares.
  • Data sourced from SEC EDGAR public filings as of June 22, 2026.

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