Weighted Average Number of Shares Outstanding, Basic of Trinseo PLC from 2012 to Q3 2025

Taxonomy & unit
us-gaap: shares
Description
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
Summary
Trinseo PLC quarterly/annual Weighted Average Number of Shares Outstanding, Basic history and change rate from 2012 to Q3 2025.
  • Trinseo PLC Weighted Average Number of Shares Outstanding, Basic for the quarter ending 30 Sep 2025 was 36M shares, a 1.7% increase year-over-year.
  • Trinseo PLC annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 35.3M shares, unchanged from 2023.
  • Trinseo PLC annual Weighted Average Number of Shares Outstanding, Basic for 2023 was 35.3M shares, a 1.67% decline from 2022.
  • Trinseo PLC annual Weighted Average Number of Shares Outstanding, Basic for 2022 was 35.9M shares, a 7.24% decline from 2021.
Weighted Average Number of Shares Outstanding, Basic, Quarterly (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Quarterly Change (%)
Weighted Average Number of Shares Outstanding, Basic, Annual (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Annual Change (%)

Trinseo PLC Quarterly Weighted Average Number of Shares Outstanding, Basic (shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed
Q3 2025 36M +600K +1.7% 01 Jul 2025 30 Sep 2025 10-Q 07 Nov 2025
Q2 2025 35.7M +400K +1.13% 01 Apr 2025 30 Jun 2025 10-Q 07 Aug 2025
Q1 2025 35.5M +200K +0.57% 01 Jan 2025 31 Mar 2025 10-Q 08 May 2025
Q4 2024 35.3M 0 0% 01 Oct 2024 31 Dec 2024 10-K 27 Feb 2025
Q3 2024 35.4M +200K +0.57% 01 Jul 2024 30 Sep 2024 10-Q 07 Nov 2025
Q2 2024 35.3M +100K +0.28% 01 Apr 2024 30 Jun 2024 10-Q 07 Aug 2025
Q1 2024 35.3M +300K +0.86% 01 Jan 2024 31 Mar 2024 10-Q 08 May 2025
Q4 2023 35.3M -600K -1.67% 01 Oct 2023 31 Dec 2023 10-K 27 Feb 2025
Q3 2023 35.2M 0 0% 01 Jul 2023 30 Sep 2023 10-Q 07 Nov 2024
Q2 2023 35.2M -1.1M -3.03% 01 Apr 2023 30 Jun 2023 10-Q 07 Aug 2024
Q1 2023 35M -2.3M -6.17% 01 Jan 2023 31 Mar 2023 10-Q 09 May 2024
Q4 2022 35.9M -2.8M -7.24% 01 Oct 2022 31 Dec 2022 10-K 27 Feb 2025
Q3 2022 35.2M -3.6M -9.28% 01 Jul 2022 30 Sep 2022 10-Q 06 Nov 2023
Q2 2022 36.3M -2.5M -6.44% 01 Apr 2022 30 Jun 2022 10-Q 04 Aug 2023
Q1 2022 37.3M -1.2M -3.12% 01 Jan 2022 31 Mar 2022 10-Q 05 May 2023
Q4 2021 38.7M +400K +1.04% 01 Oct 2021 31 Dec 2021 10-K 23 Feb 2024
Q3 2021 38.8M +500K +1.31% 01 Jul 2021 30 Sep 2021 10-Q 04 Nov 2022
Q2 2021 38.8M +600K +1.57% 01 Apr 2021 30 Jun 2021 10-Q 09 Aug 2022
Q1 2021 38.5M 0 0% 01 Jan 2021 31 Mar 2021 10-Q 05 May 2022
Q4 2020 38.3M -2M -4.96% 01 Oct 2020 31 Dec 2020 10-K 27 Feb 2023
Q3 2020 38.3M -1.8M -4.49% 01 Jul 2020 30 Sep 2020 10-Q 08 Nov 2021
Q2 2020 38.2M -2.6M -6.37% 01 Apr 2020 30 Jun 2020 10-Q 05 Aug 2021
Q1 2020 38.5M -2.8M -6.78% 01 Jan 2020 31 Mar 2020 10-Q 07 May 2021
Q4 2019 40.3M -2.5M -5.84% 01 Oct 2019 31 Dec 2019 10-K 23 Feb 2022
Q3 2019 40.1M -2.5M -5.87% 01 Jul 2019 30 Sep 2019 10-Q 06 Nov 2020
Q2 2019 40.8M -2.3M -5.34% 01 Apr 2019 30 Jun 2019 10-Q 30 Jul 2020
Q1 2019 41.3M -2.1M -4.84% 01 Jan 2019 31 Mar 2019 10-Q 08 May 2020
Q4 2018 42.8M -1M -2.28% 01 Oct 2018 31 Dec 2018 10-K 22 Feb 2021
Q3 2018 42.6M -1.1M -2.52% 01 Jul 2018 30 Sep 2018 10-Q 05 Nov 2019
Q2 2018 43.1M -800K -1.82% 01 Apr 2018 30 Jun 2018 10-Q 09 Aug 2019
Q1 2018 43.4M -700K -1.59% 01 Jan 2018 31 Mar 2018 10-Q 03 May 2019
Q4 2017 43.8M -2.7M -5.81% 01 Oct 2017 31 Dec 2017 10-K 28 Feb 2020
Q3 2017 43.7M -2.17M -4.72% 01 Jul 2017 30 Sep 2017 10-Q 09 Nov 2018
Q2 2017 43.9M -3.05M -6.5% 01 Apr 2017 30 Jun 2017 10-Q 03 Aug 2018
Q1 2017 44.1M -4.56M -9.36% 01 Jan 2017 31 Mar 2017 10-Q 03 May 2018
Q4 2016 46.5M -2.3M -4.71% 01 Oct 2016 31 Dec 2016 10-K 28 Feb 2019
Q3 2016 45.9M -2.91M -5.97% 01 Jul 2016 30 Sep 2016 10-Q 03 Nov 2017
Q2 2016 47M -1.82M -3.73% 01 Apr 2016 30 Jun 2016 10-Q 03 Aug 2017
Q1 2016 48.7M -115K -0.24% 01 Jan 2016 31 Mar 2016 10-Q 03 May 2017
Q4 2015 48.8M +5.32M +12.2% 01 Oct 2015 31 Dec 2015 10-K 01 Mar 2018
Q3 2015 48.8M +8K +0.02% 01 Jul 2015 30 Sep 2015 10-Q 03 Nov 2016
Q2 2015 48.8M +9.86M +25.3% 01 Apr 2015 30 Jun 2015 10-Q 03 Aug 2016
Q1 2015 48.8M +11.5M +30.9% 01 Jan 2015 31 Mar 2015 10-Q 05 May 2016
Q4 2014 43.5M 01 Oct 2014 31 Dec 2014 10-K 01 Mar 2017
Q3 2014 48.8M +11.5M +30.9% 01 Jul 2014 30 Sep 2014 10-Q 09 Nov 2015
Q2 2014 38.9M +1.64M +4.41% 01 Apr 2014 30 Jun 2014 10-Q 07 Aug 2015
Q1 2014 37.3M 01 Jan 2014 31 Mar 2014 10-Q 08 May 2015
Q3 2013 37.3M 01 Jul 2013 30 Sep 2013 10-Q 14 Nov 2014
Q2 2013 37.3M 01 Apr 2013 30 Jun 2013 10-Q 11 Aug 2014

Trinseo PLC Annual Weighted Average Number of Shares Outstanding, Basic (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed
2024 35.3M 0 0% 01 Jan 2024 31 Dec 2024 10-K 27 Feb 2025
2023 35.3M -600K -1.67% 01 Jan 2023 31 Dec 2023 10-K 27 Feb 2025
2022 35.9M -2.8M -7.24% 01 Jan 2022 31 Dec 2022 10-K 27 Feb 2025
2021 38.7M +400K +1.04% 01 Jan 2021 31 Dec 2021 10-K 23 Feb 2024
2020 38.3M -2M -4.96% 01 Jan 2020 31 Dec 2020 10-K 27 Feb 2023
2019 40.3M -2.5M -5.84% 01 Jan 2019 31 Dec 2019 10-K 23 Feb 2022
2018 42.8M -1M -2.28% 01 Jan 2018 31 Dec 2018 10-K 22 Feb 2021
2017 43.8M -2.7M -5.81% 01 Jan 2017 31 Dec 2017 10-K 28 Feb 2020
2016 46.5M -2.3M -4.71% 01 Jan 2016 31 Dec 2016 10-K 28 Feb 2019
2015 48.8M +5.32M +12.2% 01 Jan 2015 31 Dec 2015 10-K 01 Mar 2018
2014 43.5M +6.21M +16.7% 01 Jan 2014 31 Dec 2014 10-K 01 Mar 2017
2013 37.3M +21.1M +131% 01 Jan 2013 31 Dec 2013 10-K 11 Mar 2016
2012 16.1M 01 Jan 2012 31 Dec 2012 8-K 11 May 2015
* An asterisk sign (*) next to the value indicates that the value is likely invalid.