TECOGEN INC. Common Stock Shares Outstanding

Quick Answer

TECOGEN INC. reported Common Stock Shares Outstanding of 29.85 million shares for the year ending 2025.

  • TECOGEN INC. showed an increase of +19.6% in Common Stock Shares Outstanding from 2024 to 2025.
  • This data is from TECOGEN INC.'s annual report (Form 10-K), filed with the SEC on March 19, 2026.
  • XBRL data for this metric is available from 2011 to 2025 (15 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
  • Quarterly values from 10-Q filings: Q1 2013: 54.45 million shares | Q2 2013: 13.57 million shares | Q3 2013: 13.57 million shares | Q1 2014: 17.59 million shares | Q1 2016: 18.48 million shares | Q2 2016: 19.16 million shares | Q3 2016: 19.95 million shares | Q1 2017: 20.04 million shares | Q2 2017: 24.71 million shares | Q3 2017: 24.72 million shares | Q1 2018: 24.81 million shares | Q2 2018: 24.82 million shares | Q3 2018: 24.82 million shares | Q1 2019: 24.83 million shares | Q2 2019: 24.84 million shares | Q3 2019: 24.84 million shares | Q1 2020: 24.85 million shares | Q2 2020: 24.85 million shares | Q3 2020: 24.85 million shares | Q1 2021: 24.85 million shares | Q2 2021: 24.85 million shares | Q3 2021: 24.85 million shares | Q1 2022: 24.85 million shares | Q2 2022: 24.85 million shares | Q3 2022: 24.85 million shares | Q4 2022: 24.85 million shares | Q1 2023: 24.85 million shares | Q2 2023: 24.85 million shares | Q3 2023: 24.85 million shares | Q1 2024: 24.85 million shares | Q2 2024: 24.85 million shares | Q3 2024: 24.85 million shares | Q1 2025: 24.99 million shares | Q2 2025: 25.57 million shares | Q3 2025: 29.82 million shares.
  • Over the full 15 years of available data (2011 to 2025), TECOGEN INC.'s Common Stock Shares Outstanding has declined by 44.7%.
  • Historical annual values: Fiscal year 2025: 29.85 million shares | Fiscal year 2024: 24.95 million shares | Fiscal year 2023: 24.85 million shares | Fiscal year 2022: 24.85 million shares | Fiscal year 2021: 24.85 million shares | Fiscal year 2020: 24.85 million shares | Fiscal year 2019: 24.85 million shares | Fiscal year 2018: 24.82 million shares | Fiscal year 2017: 24.77 million shares | Fiscal year 2016: 19.98 million shares | Fiscal year 2015: 18.48 million shares | Fiscal year 2014: 15.91 million shares | Fiscal year 2013: 15.16 million shares | Fiscal year 2012: 13.61 million shares | Fiscal year 2011: 53.99 million shares.
  • Data sourced from SEC EDGAR public filings as of August 9, 2026.

Last verified: