Trinseo PLC Common Stock Shares Outstanding

Quick Answer

Trinseo PLC reported Common Stock Shares Outstanding of 36.00 million shares for the year ending 2025.

  • Trinseo PLC showed an increase of +1.7% in Common Stock Shares Outstanding from 2024 to 2025.
  • This data is from Trinseo PLC's annual report (Form 10-K), filed with the SEC on March 13, 2026.
  • XBRL data for this metric is available from 2015 to 2025 (11 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
  • Over the full 11 years of available data (2015 to 2025), Trinseo PLC's Common Stock Shares Outstanding has declined by 26.2%.
  • Historical annual values: Fiscal year 2025: 36.00 million shares | Fiscal year 2024: 35.40 million shares | Fiscal year 2023: 35.20 million shares | Fiscal year 2022: 35.10 million shares | Fiscal year 2021: 37.90 million shares | Fiscal year 2020: 38.40 million shares | Fiscal year 2019: 39.00 million shares | Fiscal year 2018: 41.60 million shares | Fiscal year 2017: 43.40 million shares | Fiscal year 2016: 44.30 million shares | Fiscal year 2015: 48.78 million shares.
  • Data sourced from SEC EDGAR public filings as of June 22, 2026.

Last verified: