Week of March 8, 2010
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Mar 8, 2010 | 25.38 | 25.93 | 25.37 | 25.47 | 359,713 |
| Mar 9, 2010 | 25.27 | 25.76 | 24.87 | 25.65 | 412,692 |
| Mar 10, 2010 | 25.58 | 26.58 | 25.32 | 25.78 | 558,007 |
| Mar 11, 2010 | 25.70 | 25.87 | 25.33 | 25.50 | 431,238 |
Year End Stock Prices
The historical stock information provided is for informational purposes only and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and Regeneron Pharmaceuticals, Inc. does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.









