Employee Count History - Regeneron Pharmaceuticals, 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 4, 2026 | Dec 31, 2025 | 15,410 | 10-K | +2.01% |
| Feb 5, 2025 | Dec 31, 2024 | 15,106 | 10-K | +12.31% |
| Feb 5, 2024 | Dec 31, 2023 | 13,450 | 10-K | +13.49% |
| Feb 6, 2023 | Dec 31, 2022 | 11,851 | 10-K | +14.30% |
| Feb 7, 2022 | Dec 31, 2021 | 10,368 | 10-K | +13.65% |
| Feb 8, 2021 | Dec 31, 2020 | 9,123 | 10-K | +12.63% |
Feb 7, 2020 | Dec 31, 2019 | — | — | — |
Feb 7, 2019 | Dec 31, 2018 | — | — | — |
Feb 8, 2018 | Dec 31, 2017 | — | — | — |
Feb 9, 2017 | Dec 31, 2016 | — | — | — |
Feb 11, 2016 | Dec 31, 2015 | — | — | — |
Feb 12, 2015 | Dec 31, 2014 | — | — | — |
Feb 13, 2014 | Dec 31, 2013 | — | — | — |
Feb 15, 2013 | Dec 31, 2012 | — | — | — |
Feb 21, 2012 | Dec 31, 2011 | — | — | — |
Feb 17, 2011 | Dec 31, 2010 | — | — | — |
Feb 18, 2010 | Dec 31, 2009 | — | — | — |
Feb 26, 2009 | Dec 31, 2008 | — | — | — |
Feb 27, 2008 | Dec 31, 2007 | — | — | — |
Mar 12, 2007 | Dec 31, 2006 | — | — | — |
Feb 28, 2006 | Dec 31, 2005 | — | — | — |
Mar 11, 2005 | Dec 31, 2004 | — | — | — |
Mar 12, 2004 | Dec 31, 2003 | — | — | — |
Mar 31, 2003 | Dec 31, 2002 | — | — | — |
Mar 22, 2002 | Dec 31, 2001 | — | — | — |
Mar 2, 2001 | Dec 31, 2000 | — | — | — |
Mar 6, 2000 | Dec 31, 1999 | — | — | — |
Mar 29, 1999 | Dec 31, 1998 | — | — | — |
Mar 26, 1998 | Dec 31, 1997 | — | — | — |
Mar 26, 1997 | Dec 31, 1996 | — | — | — |