Employee Count History - First Interstate BancSystem, Inc.
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 26, 2026 | Dec 31, 2025 | 3,376 | 10-K | -3.02% |
| Feb 28, 2025 | Dec 31, 2024 | 3,481 | 10-K | -2.90% |
| Feb 29, 2024 | Dec 31, 2023 | 3,585 | 10-K | -5.23% |
| Feb 24, 2023 | Dec 31, 2022 | 3,783 | 10-K | +60.43% |
| Feb 25, 2022 | Dec 31, 2021 | 2,358 | 10-K | -4.22% |
| Mar 1, 2021 | Dec 31, 2020 | 2,462 | 10-K | -0.44% |
Feb 27, 2020 | Dec 31, 2019 | — | — | — |
Feb 27, 2019 | Dec 31, 2018 | — | — | — |
Feb 28, 2018 | Dec 31, 2017 | — | — | — |
Mar 2, 2017 | Dec 31, 2016 | — | — | — |
Mar 1, 2016 | Dec 31, 2015 | — | — | — |
Mar 2, 2015 | Dec 31, 2014 | — | — | — |
Feb 28, 2014 | Dec 31, 2013 | — | — | — |
Mar 1, 2013 | Dec 31, 2012 | — | — | — |
Feb 28, 2012 | Dec 31, 2011 | — | — | — |
Feb 28, 2011 | Dec 31, 2010 | — | — | — |
Feb 19, 2010 | Dec 31, 2009 | — | — | — |
Mar 23, 2009 | Dec 31, 2008 | — | — | — |
Mar 17, 2008 | Dec 31, 2007 | — | — | — |
Mar 14, 2007 | Dec 31, 2006 | — | — | — |
Mar 14, 2006 | Dec 31, 2005 | — | — | — |
Feb 24, 2005 | Dec 31, 2004 | — | — | — |
Feb 19, 2004 | Dec 31, 2003 | — | — | — |
Mar 19, 2003 | Dec 31, 2002 | — | — | — |
Mar 29, 2002 | Dec 31, 2001 | — | — | — |
Apr 16, 2001 | Dec 31, 2000 | — | — | — |
Mar 13, 2000 | Dec 31, 1999 | — | — | — |
Mar 9, 1999 | Dec 31, 1998 | — | — | — |
Mar 30, 1998 | Dec 31, 1997 | — | — | — |
Mar 31, 1997 | Dec 31, 1996 | — | — | — |