Employee Count History - Trinseo PLC
Historical employee count data from SEC filings.
Workforce Trend Analysis
Employee Count History
SEC Filing History
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| Filing Date | Period | Employee Count | Form Type | YoY Change |
|---|---|---|---|---|
| Mar 13, 2026 | Dec 31, 2025 | 2,800 | 10-K | -5.08% |
| Feb 27, 2025 | Dec 31, 2024 | 2,950 | 10-K | -4.84% |
| Feb 23, 2024 | Dec 31, 2023 | 3,100 | 10-K | -8.82% |
| Feb 27, 2023 | Dec 31, 2022 | 3,400 | 10-K | +9.68% |
| Feb 23, 2022 | Dec 31, 2021 | 3,100 | 10-K | +19.23% |
| Feb 22, 2021 | Dec 31, 2020 | 2,600 | 10-K | -3.70% |
Feb 28, 2020 | Dec 31, 2019 | — | — | — |
Feb 28, 2019 | Dec 31, 2018 | — | — | — |
Mar 1, 2018 | Dec 31, 2017 | — | — | — |
Mar 1, 2017 | Dec 31, 2016 | — | — | — |
Mar 11, 2016 | Dec 31, 2015 | — | — | — |
Mar 10, 2015 | Dec 31, 2014 | — | — | — |