Trinseo PLC Basic Shares Outstanding (Weighted Average)
Trinseo PLC (TSEOQ) reported Basic Shares Outstanding (Weighted Average) of 36.60 million shares for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-06.
Financial Statements › Income Statement › Earnings Per Share
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic · last filed 2026-08-06
- Trinseo PLC weighted average number of shares outstanding, basic for the quarter ending 2026-06-30 was 36.60M shares, a 2.52% increase year-over-year.
- Trinseo PLC weighted average number of shares outstanding, basic for the quarter ending 2026-03-31 was 36.20M shares, a 1.97% increase year-over-year.
- Trinseo PLC weighted average number of shares outstanding, basic for the quarter ending 2025-12-31 was 36.10M shares, a 2.27% increase year-over-year.
- Trinseo PLC weighted average number of shares outstanding, basic for the quarter ending 2025-09-30 was 36.00M shares, a 1.69% increase year-over-year.
- Trinseo PLC weighted average number of shares outstanding, basic for fiscal 2025 was 35.80M shares, a 1.42% increase from fiscal 2024.
- Trinseo PLC weighted average number of shares outstanding, basic for fiscal 2024 was 35.30M shares, a 0.00% change from fiscal 2023.
- Trinseo PLC weighted average number of shares outstanding, basic for fiscal 2023 was 35.30M shares, a 1.67% decline from fiscal 2022.
- Trinseo PLC weighted average number of shares outstanding, basic for fiscal 2022 was 35.90M shares, a 7.24% decline from fiscal 2021.
| Period end | Weighted Average Number of Shares Outstanding, Basic 3 month | Weighted Average Number of Shares Outstanding, Basic 3 month as first filed | Weighted Average Number of Shares Outstanding, Basic 6 month | Weighted Average Number of Shares Outstanding, Basic 6 month as first filed | Weighted Average Number of Shares Outstanding, Basic 9 month | Weighted Average Number of Shares Outstanding, Basic 12 month | Weighted Average Number of Shares Outstanding, Basic 12 month as first filed |
|---|---|---|---|---|---|---|---|
| 2026-06-30 | 36.60M shares 10-Q · filed 2026-08-06 | 36.40M shares 10-Q · filed 2026-08-06 | 36.30M shares derived: average of 3 quarters · filed 2026-08-06 | 36.23M shares derived: average of 4 quarters · filed 2026-08-06 | |||
| 2026-03-31 | 36.20M shares 10-Q · filed 2026-04-30 | 36.15M shares derived: average of 2 quarters · filed 2026-04-30 | 36.10M shares derived: average of 3 quarters · filed 2026-04-30 | 36.00M shares derived: average of 4 quarters · filed 2026-08-06 | |||
| 2025-12-31 | 36.10M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-03-13 | 36.05M shares derived: average of 2 quarters · filed 2026-03-13 | 35.93M shares derived: average of 3 quarters · filed 2026-08-06 | 35.80M shares 10-K · filed 2026-03-13 | |||
| 2025-09-30 | 36.00M shares 10-Q · filed 2025-11-07 | 35.85M shares derived: average of 2 quarters · filed 2026-08-06 | 35.70M shares 10-Q · filed 2025-11-07 | 35.63M shares derived: average of 4 quarters · filed 2026-08-06 | |||
| 2025-06-30 | 35.70M shares 10-Q · filed 2026-08-06 | 35.60M shares 10-Q · filed 2026-08-06 | 35.50M shares derived: average of 3 quarters · filed 2026-08-06 | 35.48M shares derived: average of 4 quarters · filed 2026-08-06 | |||
| 2025-03-31 | 35.50M shares 10-Q · filed 2026-04-30 | 35.40M shares derived: average of 2 quarters · filed 2026-04-30 | 35.40M shares derived: average of 3 quarters · filed 2026-04-30 | 35.38M shares derived: average of 4 quarters · filed 2026-04-30 | |||
| 2024-12-31 | 35.30M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-03-13 | 35.35M shares derived: average of 2 quarters · filed 2026-03-13 | 35.33M shares derived: average of 3 quarters · filed 2026-03-13 | 35.30M shares 10-K · filed 2026-03-13 | |||
| 2024-09-30 | 35.40M shares 10-Q · filed 2025-11-07 | 35.35M shares derived: average of 2 quarters · filed 2025-11-07 | 35.30M shares 10-Q · filed 2025-11-07 | 35.48M shares derived: average of 4 quarters · filed 2026-03-13 | |||
| 2024-06-30 | 35.30M shares 10-Q · filed 2025-08-07 | 35.30M shares 10-Q · filed 2025-08-07 | 35.50M shares derived: average of 3 quarters · filed 2026-03-13 | 35.42M shares derived: average of 4 quarters · filed 2026-03-13 | |||
| 2024-03-31 | 35.30M shares 10-Q · filed 2025-05-08 | 35.60M shares derived: average of 2 quarters · filed 2026-03-13 | 35.47M shares derived: average of 3 quarters · filed 2026-03-13 | 35.40M shares derived: average of 4 quarters · filed 2026-03-13 | |||
| 2023-12-31 | 35.90M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-03-13 | 35.55M shares derived: average of 2 quarters · filed 2026-03-13 | 35.43M shares derived: average of 3 quarters · filed 2026-03-13 | 35.30M shares 10-K · filed 2026-03-13 | |||
| 2023-09-30 | 35.20M shares 10-Q · filed 2024-11-07 | 35.20M shares derived: average of 2 quarters · filed 2024-11-07 | 35.10M shares 10-Q · filed 2024-11-07 | 35.02M shares derived: average of 4 quarters · filed 2025-02-27 | |||
| 2023-06-30 | 35.20M shares 10-Q · filed 2024-08-07 | 35.10M shares 10-Q · filed 2024-08-07 | 34.97M shares derived: average of 3 quarters · filed 2025-02-27 | 35.02M shares derived: average of 4 quarters · filed 2025-02-27 | |||
| 2023-03-31 | 35.00M shares 10-Q · filed 2024-05-09 | 34.85M shares derived: average of 2 quarters · filed 2025-02-27 | 34.97M shares derived: average of 3 quarters · filed 2025-02-27 | 35.30M shares derived: average of 4 quarters · filed 2025-02-27 | |||
| 2022-12-31 | 34.70M shares derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-27 | 34.95M shares derived: average of 2 quarters · filed 2025-02-27 | 35.40M shares derived: average of 3 quarters · filed 2025-02-27 | 35.90M shares 10-K · filed 2025-02-27 | |||
| 2022-09-30 | 35.20M shares 10-Q · filed 2023-11-06 | 35.75M shares derived: average of 2 quarters · filed 2023-11-06 | 36.30M shares 10-Q · filed 2023-11-06 | 36.88M shares derived: average of 4 quarters · filed 2024-02-23 | |||
| 2022-06-30 | 36.30M shares 10-Q · filed 2023-08-04 | 36.80M shares 10-Q · filed 2023-08-04 | 37.43M shares derived: average of 3 quarters · filed 2024-02-23 | 37.77M shares derived: average of 4 quarters · filed 2024-02-23 | |||
| 2022-03-31 | 37.30M shares 10-Q · filed 2023-05-05 | 38.00M shares derived: average of 2 quarters · filed 2024-02-23 | 38.27M shares derived: average of 3 quarters · filed 2024-02-23 | 38.40M shares derived: average of 4 quarters · filed 2024-02-23 | |||
| 2021-12-31 | 38.70M shares derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-23 | 38.75M shares derived: average of 2 quarters · filed 2024-02-23 | 38.77M shares derived: average of 3 quarters · filed 2024-02-23 | 38.70M shares 10-K · filed 2024-02-23 | |||
| 2021-09-30 | 38.80M shares 10-Q · filed 2022-11-04 | 38.80M shares derived: average of 2 quarters · filed 2022-11-04 | 38.70M shares 10-Q · filed 2022-11-04 | 38.52M shares derived: average of 4 quarters · filed 2023-02-27 | |||
| 2021-06-30 | 38.80M shares 10-Q · filed 2022-08-09 | 38.60M shares 10-Q · filed 2022-08-09 | 38.43M shares derived: average of 3 quarters · filed 2023-02-27 | 38.40M shares derived: average of 4 quarters · filed 2023-02-27 | |||
| 2021-03-31 | 38.50M shares 10-Q · filed 2022-05-05 | 38.25M shares derived: average of 2 quarters · filed 2023-02-27 | 38.27M shares derived: average of 3 quarters · filed 2023-02-27 | 38.25M shares derived: average of 4 quarters · filed 2023-02-27 | |||
| 2020-12-31 | 38.00M shares derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-27 | 38.15M shares derived: average of 2 quarters · filed 2023-02-27 | 38.17M shares derived: average of 3 quarters · filed 2023-02-27 | 38.30M shares 10-K · filed 2023-02-27 | |||
| 2020-09-30 | 38.30M shares 10-Q · filed 2021-11-08 | 38.25M shares derived: average of 2 quarters · filed 2021-11-08 | 38.40M shares 10-Q · filed 2021-11-08 | 38.52M shares derived: average of 4 quarters · filed 2022-02-23 | |||
| 2020-06-30 | 38.20M shares 10-Q · filed 2021-08-05 | 38.40M shares 10-Q · filed 2021-08-05 | 38.60M shares derived: average of 3 quarters · filed 2022-02-23 | 38.98M shares derived: average of 4 quarters · filed 2022-02-23 | |||
| 2020-03-31 | 38.50M shares 10-Q · filed 2021-05-07 | 38.80M shares derived: average of 2 quarters · filed 2022-02-23 | 39.23M shares derived: average of 3 quarters · filed 2022-02-23 | 39.63M shares derived: average of 4 quarters · filed 2022-02-23 | |||
| 2019-12-31 | 39.10M shares derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-23 | 39.60M shares derived: average of 2 quarters · filed 2022-02-23 | 40.00M shares derived: average of 3 quarters · filed 2022-02-23 | 40.30M shares 10-K · filed 2022-02-23 | |||
| 2019-09-30 | 40.10M shares 10-Q · filed 2020-11-06 | 40.45M shares derived: average of 2 quarters · filed 2020-11-06 | 40.70M shares 10-Q · filed 2020-11-06 | 41.10M shares derived: average of 4 quarters · filed 2021-02-22 | |||
| 2019-06-30 | 40.80M shares 10-Q · filed 2020-07-30 | 41.00M shares 10-Q · filed 2020-07-30 | 41.43M shares derived: average of 3 quarters · filed 2021-02-22 | 41.73M shares derived: average of 4 quarters · filed 2021-02-22 | |||
| 2019-03-31 | 41.30M shares 10-Q · filed 2020-05-08 | 41.75M shares derived: average of 2 quarters · filed 2021-02-22 | 42.03M shares derived: average of 3 quarters · filed 2021-02-22 | 42.30M shares derived: average of 4 quarters · filed 2021-02-22 | |||
| 2018-12-31 | 42.20M shares derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-22 | 42.40M shares derived: average of 2 quarters · filed 2021-02-22 | 42.63M shares derived: average of 3 quarters · filed 2021-02-22 | 42.80M shares 10-K · filed 2021-02-22 | |||
| 2018-09-30 | 42.60M shares 10-Q · filed 2019-11-05 | 42.85M shares derived: average of 2 quarters · filed 2019-11-05 | 43.00M shares 10-Q · filed 2019-11-05 | 43.15M shares derived: average of 4 quarters · filed 2020-02-28 | |||
| 2018-06-30 | 43.10M shares 10-Q · filed 2019-08-09 | 43.30M shares 10-Q · filed 2019-08-09 | 43.33M shares derived: average of 3 quarters · filed 2020-02-28 | 43.42M shares derived: average of 4 quarters · filed 2020-02-28 | |||
| 2018-03-31 | 43.40M shares 10-Q · filed 2019-05-03 | 43.45M shares derived: average of 2 quarters · filed 2020-02-28 | 43.53M shares derived: average of 3 quarters · filed 2020-02-28 | 43.63M shares derived: average of 4 quarters · filed 2020-02-28 | |||
| 2017-12-31 | 43.50M shares derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-28 | 43.60M shares derived: average of 2 quarters · filed 2020-02-28 | 43.70M shares derived: average of 3 quarters · filed 2020-02-28 | 43.80M shares 10-K · filed 2020-02-28 | |||
| 2017-09-30 | 43.70M shares 10-Q · filed 2018-11-09 | 43.74M shares 10-Q · filed 2017-11-03 | 43.80M shares derived: average of 2 quarters · filed 2018-11-09 | 43.90M shares 10-Q · filed 2018-11-09 | 44.06M shares derived: average of 4 quarters · filed 2019-02-28 | ||
| 2017-06-30 | 43.90M shares 10-Q · filed 2018-08-03 | 43.90M shares 10-Q · filed 2017-08-03 | 44.00M shares 10-Q · filed 2018-08-03 | 43.98M shares 10-Q · filed 2017-08-03 | 44.18M shares derived: average of 3 quarters · filed 2019-02-28 | 44.60M shares derived: average of 4 quarters · filed 2019-02-28 | |
| 2017-03-31 | 44.10M shares 10-Q · filed 2018-05-03 | 44.06M shares 10-Q · filed 2017-05-03 | 44.32M shares derived: average of 2 quarters · filed 2019-02-28 | 44.84M shares derived: average of 3 quarters · filed 2019-02-28 | 45.37M shares derived: average of 4 quarters · filed 2019-02-28 | ||
| 2016-12-31 | 44.54M shares derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-28 | 45.20M shares derived: average of 2 quarters · filed 2019-02-28 | 45.79M shares derived: average of 3 quarters · filed 2019-02-28 | 46.50M shares 10-K · filed 2019-02-28 | 46.51M shares 10-K · filed 2017-03-01 | ||
| 2016-09-30 | 45.87M shares 10-Q · filed 2017-11-03 | 46.41M shares derived: average of 2 quarters · filed 2017-11-03 | 47.15M shares 10-Q · filed 2017-11-03 | 47.59M shares derived: average of 4 quarters · filed 2018-03-01 | |||
| 2016-06-30 | 46.95M shares 10-Q · filed 2017-08-03 | 47.80M shares 10-Q · filed 2017-08-03 | 48.16M shares derived: average of 3 quarters · filed 2018-03-01 | 48.32M shares derived: average of 4 quarters · filed 2018-03-01 | |||
| 2016-03-31 | 48.66M shares 10-Q · filed 2017-05-03 | 48.77M shares derived: average of 2 quarters · filed 2018-03-01 | 48.77M shares derived: average of 3 quarters · filed 2018-03-01 | 48.77M shares derived: average of 4 quarters · filed 2018-03-01 | |||
| 2015-12-31 | 48.88M shares derived: 10-K 12 month − 10-Q 9 month · filed 2018-03-01 | 48.83M shares derived: average of 2 quarters · filed 2018-03-01 | 48.81M shares derived: average of 3 quarters · filed 2018-03-01 | 48.80M shares 10-K · filed 2018-03-01 | 48.77M shares 10-K · filed 2016-03-11 | ||
| 2015-09-30 | 48.78M shares 10-Q · filed 2016-11-03 | 48.77M shares derived: average of 2 quarters · filed 2016-11-03 | 48.77M shares 10-Q · filed 2016-11-03 | 48.79M shares derived: average of 4 quarters · filed 2017-03-01 | |||
| 2015-06-30 | 48.77M shares 10-Q · filed 2016-08-03 | 48.77M shares 10-Q · filed 2016-08-03 | 48.79M shares derived: average of 3 quarters · filed 2017-03-01 | 48.78M shares derived: average of 4 quarters · filed 2017-03-01 | |||
| 2015-03-31 | 48.77M shares 10-Q · filed 2016-05-05 | 48.80M shares derived: average of 2 quarters · filed 2017-03-01 | 48.79M shares derived: average of 3 quarters · filed 2017-03-01 | 46.32M shares derived: average of 4 quarters · filed 2017-03-01 | |||
| 2014-12-31 | 48.83M shares derived: 10-K 12 month − 10-Q 9 month · filed 2017-03-01 | 48.80M shares derived: average of 2 quarters · filed 2017-03-01 | 45.50M shares derived: average of 3 quarters · filed 2017-03-01 | 43.48M shares 10-K · filed 2017-03-01 | |||
| 2014-09-30 | 48.77M shares 10-Q · filed 2015-11-09 | 43.84M shares derived: average of 2 quarters · filed 2015-11-09 | 41.69M shares 10-Q · filed 2015-11-09 | 40.56M shares derived: average of 4 quarters · filed 2016-03-11 | |||
| 2014-06-30 | 38.91M shares 10-Q · filed 2015-08-07 | 38.10M shares 10-Q · filed 2015-08-07 | 37.82M shares derived: average of 3 quarters · filed 2016-03-11 | 37.68M shares derived: average of 4 quarters · filed 2016-03-11 | |||
| 2014-03-31 | 37.27M shares 10-Q · filed 2015-05-08 | 37.27M shares derived: average of 2 quarters · filed 2016-03-11 | 37.27M shares derived: average of 3 quarters · filed 2016-03-11 | 37.27M shares derived: average of 4 quarters · filed 2016-03-11 | |||
| 2013-12-31 | 37.27M shares derived: 10-K 12 month − 10-Q 9 month · filed 2016-03-11 | 37.27M shares derived: average of 2 quarters · filed 2016-03-11 | 37.27M shares derived: average of 3 quarters · filed 2016-03-11 | 37.27M shares 10-K · filed 2016-03-11 | |||
| 2013-09-30 | 37.27M shares 10-Q · filed 2014-11-14 | 37.27M shares derived: average of 2 quarters · filed 2014-11-14 | 37.27M shares 10-Q · filed 2014-11-14 | ||||
| 2013-06-30 | 37.27M shares 10-Q · filed 2014-08-11 | 37.27M shares 10-Q · filed 2014-08-11 | |||||
| 2012-12-31 | 16.12M shares 8-K · filed 2015-05-11 |