Common Stock, Shares, Outstanding of FUEL TECH, INC. from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
Summary
FUEL TECH, INC. quarterly Common Stock, Shares, Outstanding in shares history and change rate from 31 Dec 2010 to 31 Dec 2025.
  • FUEL TECH, INC. Common Stock, Shares, Outstanding for the quarter ending 31 Dec 2025 was 31,074,438, a 1.2% increase year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Outstanding, Quarterly (shares)
Common Stock, Shares, Outstanding, YoY Quarterly Change (%)

FUEL TECH, INC. Quarterly Common Stock, Shares, Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 31,074,438 +366,165 +1.2% 31 Dec 2025 10-K 03 Mar 2026 2025 FY
Q3 2025 31,074,438 +366,165 +1.2% 30 Sep 2025 10-Q 04 Nov 2025 2025 Q3
Q2 2025 31,074,438 +366,165 +1.2% 30 Jun 2025 10-Q 05 Aug 2025 2025 Q2
Q1 2025 30,769,258 +383,961 +1.3% 31 Mar 2025 10-Q 12 May 2025 2025 Q1
Q4 2024 30,708,273 +322,976 +1.1% 31 Dec 2024 10-K 03 Mar 2026 2025 FY
Q3 2024 30,708,273 +322,976 +1.1% 30 Sep 2024 10-Q 06 Nov 2024 2024 Q3
Q2 2024 30,708,273 +322,976 +1.1% 30 Jun 2024 10-Q 06 Aug 2024 2024 Q2
Q1 2024 30,385,297 +89,000 +0.29% 31 Mar 2024 10-Q 07 May 2024 2024 Q1
Q4 2023 30,385,297 +89,000 +0.29% 31 Dec 2023 10-K 04 Mar 2025 2024 FY
Q3 2023 30,385,297 +89,000 +0.29% 30 Sep 2023 10-Q 07 Nov 2023 2023 Q3
Q2 2023 30,385,297 +89,000 +0.29% 30 Jun 2023 10-Q 08 Aug 2023 2023 Q2
Q1 2023 30,296,297 0 0% 31 Mar 2023 10-Q 09 May 2023 2023 Q1
Q4 2022 30,296,297 +32,506 +0.11% 31 Dec 2022 10-K 11 Mar 2024 2023 FY
Q3 2022 30,296,297 +32,506 +0.11% 30 Sep 2022 10-Q 08 Nov 2022 2022 Q3
Q2 2022 30,296,297 +32,506 +0.11% 30 Jun 2022 10-Q 10 Aug 2022 2022 Q2
Q1 2022 30,296,297 +32,506 +0.11% 31 Mar 2022 10-Q 10 May 2022 2022 Q1
Q4 2021 30,263,791 +5,034,840 +20% 31 Dec 2021 10-K 07 Mar 2023 2022 FY
Q3 2021 30,263,791 +5,562,632 +23% 30 Sep 2021 10-Q 09 Nov 2021 2021 Q3
Q2 2021 30,263,791 +5,562,632 +23% 30 Jun 2021 10-Q 10 Aug 2021 2021 Q2
Q1 2021 30,263,791 +5,627,401 +23% 31 Mar 2021 10-Q 12 May 2021 2021 Q1
Q4 2020 25,228,951 +636,373 +2.6% 31 Dec 2020 10-K 08 Mar 2022 2021 FY
Q3 2020 24,701,159 +514,335 +2.1% 30 Sep 2020 10-Q 10 Nov 2020 2020 Q3
Q2 2020 24,701,159 +514,335 +2.1% 30 Jun 2020 10-Q 11 Aug 2020 2020 Q2
Q1 2020 24,636,390 +449,566 +1.9% 31 Mar 2020 10-Q 12 May 2020 2020 Q1
Q4 2019 24,592,578 +421,993 +1.7% 31 Dec 2019 10-K 15 Mar 2021 2020 FY
Q3 2019 24,186,824 +16,239 +0.07% 30 Sep 2019 10-Q 13 Nov 2019 2019 Q3
Q2 2019 24,186,824 +16,239 +0.07% 30 Jun 2019 10-Q 13 Aug 2019 2019 Q2
Q1 2019 24,186,824 +19,145 +0.08% 31 Mar 2019 10-Q 13 May 2019 2019 Q1
Q4 2018 24,170,585 +37,675 +0.16% 31 Dec 2018 10-K 12 Mar 2020 2019 FY
Q3 2018 24,170,585 +37,675 +0.16% 30 Sep 2018 10-Q 13 Nov 2018 2018 Q3
Q2 2018 24,170,585 +37,675 +0.16% 30 Jun 2018 10-Q 13 Aug 2018 2018 Q2
Q1 2018 24,167,679 +633,796 +2.7% 31 Mar 2018 10-Q 09 May 2018 2018 Q1
Q4 2017 24,132,910 +686,875 +2.9% 31 Dec 2017 10-K 14 Mar 2019 2018 FY
Q3 2017 24,132,910 +875,106 +3.8% 30 Sep 2017 10-Q 13 Nov 2017 2017 Q3
Q2 2017 24,132,910 +875,106 +3.8% 30 Jun 2017 10-Q 14 Aug 2017 2017 Q2
Q1 2017 23,533,883 +276,079 +1.2% 31 Mar 2017 10-Q 11 May 2017 2017 Q1
Q4 2016 23,446,035 +278,819 +1.2% 31 Dec 2016 10-K 12 Mar 2018 2017 FY
Q3 2016 23,257,804 +90,588 +0.39% 30 Sep 2016 10-Q 08 Nov 2016 2016 Q3
Q2 2016 23,257,804 +90,588 +0.39% 30 Jun 2016 10-Q 09 Aug 2016 2016 Q2
Q1 2016 23,257,804 +192,642 +0.84% 31 Mar 2016 10-Q 10 May 2016 2016 Q1
Q4 2015 23,167,216 +306,818 +1.3% 31 Dec 2015 10-K 14 Mar 2017 2016 FY
Q3 2015 23,167,216 +341,891 +1.5% 30 Sep 2015 10-Q 09 Nov 2015 2015 Q3
Q2 2015 23,167,216 +465,603 +2.1% 30 Jun 2015 10-Q 10 Aug 2015 2015 Q2
Q1 2015 23,065,162 +271,082 +1.2% 31 Mar 2015 10-Q 11 May 2015 2015 Q1
Q4 2014 22,860,398 +267,442 +1.2% 31 Dec 2014 10-K 24 Mar 2016 2015 FY
Q3 2014 22,825,325 +444,202 +2% 30 Sep 2014 10-Q 06 Nov 2014 2014 Q3
Q2 2014 22,701,613 +326,740 +1.5% 30 Jun 2014 10-Q 11 Aug 2014 2014 Q2
Q1 2014 22,794,080 +632,797 +2.9% 31 Mar 2014 10-Q 12 May 2014 2014 Q1
Q4 2013 22,592,956 +490,407 +2.2% 31 Dec 2013 10-K 16 Mar 2015 2014 FY
Q3 2013 22,381,123 +341,698 +1.6% 30 Sep 2013 10-Q 12 Nov 2013 2013 Q3
Q2 2013 22,374,873 +190,005 +0.86% 30 Jun 2013 10-Q 07 Aug 2013 2013 Q2
Q1 2013 22,161,283 -1,148,382 -4.9% 31 Mar 2013 10-Q 07 May 2013 2013 Q1
Q4 2012 22,102,549 -1,541,752 -6.5% 31 Dec 2012 10-K 10 Mar 2014 2013 FY
Q3 2012 22,039,425 -1,728,536 -7.3% 30 Sep 2012 10-Q 06 Nov 2012 2012 Q3
Q2 2012 22,184,868 -2,149,647 -8.8% 30 Jun 2012 10-Q 06 Aug 2012 2012 Q2
Q1 2012 23,309,665 31 Mar 2012 10-Q 08 May 2012 2012 Q1
Q4 2011 23,644,301 -569,166 -2.4% 31 Dec 2011 10-K/A 01 Apr 2013 2012 FY
Q3 2011 23,767,961 30 Sep 2011 10-Q 07 Nov 2011 2011 Q3
Q2 2011 24,334,515 30 Jun 2011 10-Q 08 Aug 2011 2011 Q2
Q4 2010 24,213,467 31 Dec 2010 10-K 05 Mar 2012 2011 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.