Employee Count History - Otter Tail Corporation
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 |
|---|---|---|---|---|
| Feb 18, 2026 | Dec 31, 2025 | 2,198 | 10-K | +3.05% |
| Feb 19, 2025 | Dec 31, 2024 | 2,133 | 10-K | -19.66% |
| Feb 14, 2024 | Dec 31, 2023 | 2,655 | 10-K | +9.62% |
| Feb 15, 2023 | Dec 31, 2022 | 2,422 | 10-K | -2.61% |
| Feb 16, 2022 | Dec 31, 2021 | 2,487 | 10-K | +19.91% |
| Feb 19, 2021 | Dec 31, 2020 | 2,074 | 10-K | -6.07% |
Feb 20, 2020 | Dec 31, 2019 | — | — | — |
Feb 22, 2019 | Dec 31, 2018 | — | — | — |
Feb 20, 2018 | Dec 31, 2017 | — | — | — |
Feb 22, 2017 | Dec 31, 2016 | — | — | — |
Feb 29, 2016 | Dec 31, 2015 | — | — | — |
Mar 2, 2015 | Dec 31, 2014 | — | — | — |
Mar 3, 2014 | Dec 31, 2013 | — | — | — |
Feb 27, 2013 | Dec 31, 2012 | — | — | — |
Feb 29, 2012 | Dec 31, 2011 | — | — | — |
Feb 28, 2011 | Dec 31, 2010 | — | — | — |
Feb 26, 2010 | Dec 31, 2009 | — | — | — |