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Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
781.49
-11.77 (-1.48%)
At close: Sep 11, 2026, 4:00 PM EDT
784.14
+2.65 (0.34%)
After-hours: Sep 11, 2026, 7:36 PM EDT

Regeneron Pharmaceuticals Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 11, 2026800.00800.22780.81781.49781.49-1.48%443,976
Sep 10, 2026794.36806.14792.00793.26793.26-1.78%526,911
Sep 9, 2026803.83808.63796.73807.65807.65-0.33%621,458
Sep 8, 2026814.36821.17799.42810.31810.31-2.10%556,536
Sep 4, 2026840.06841.54825.83827.72827.72-1.87%561,170
Sep 3, 2026858.19859.34837.63843.47843.47-1.00%496,255
Sep 2, 2026826.24854.49825.77852.03852.033.42%749,453
Sep 1, 2026808.86824.63804.32823.82823.823.10%682,806
Aug 31, 2026782.44802.78779.08799.08799.080.62%894,268
Aug 28, 2026809.40809.40789.08794.19794.19-1.67%488,305
Aug 27, 2026806.18817.62804.27807.71807.71-0.87%766,990
Aug 26, 2026827.78831.67814.70814.79814.79-2.25%585,370
Aug 25, 2026829.22839.94823.44833.56833.560.61%505,424
Aug 24, 2026834.51834.70823.40828.50828.50-0.66%672,012
Aug 21, 2026835.74847.00826.64834.04834.040.90%786,921
Aug 20, 2026831.70840.82826.05826.64826.64-1.69%596,474
Aug 19, 2026817.17844.92815.38840.84840.843.78%750,445
Aug 18, 2026814.00821.02805.93810.24810.240.65%779,072
Aug 17, 2026801.76813.18795.73805.93804.990.30%541,306
Aug 14, 2026802.35806.54792.57803.48802.54-0.31%425,600
Aug 13, 2026802.21815.80794.49805.97805.031.00%709,747
Aug 12, 2026790.55801.36784.61797.99797.060.12%575,164
Aug 11, 2026808.80813.63796.66797.00796.07-1.37%939,190
Aug 10, 2026781.72809.09775.83808.05807.113.02%1,213,798
Aug 7, 2026774.47785.99767.17784.36783.451.59%837,598
Aug 6, 2026777.85780.95762.79772.11771.210.46%783,950
Aug 5, 2026767.98782.59763.31768.58767.681.04%532,482
Aug 4, 2026753.76763.54747.00760.66759.770.19%817,280
Aug 3, 2026769.54772.75756.44759.24758.35-0.44%842,730
Jul 31, 2026726.69764.75724.79762.63761.743.29%1,158,583
Jul 30, 2026701.90740.00694.98738.34737.486.17%1,460,963
Jul 29, 2026699.38702.60691.00695.42694.610.03%1,022,421
Jul 28, 2026676.93696.74676.46695.18694.374.20%900,408
Jul 27, 2026661.77678.12659.53667.17666.391.70%650,984
Jul 24, 2026658.29667.50654.05656.01655.240.63%708,392
Jul 23, 2026646.48655.20637.80651.91651.150.11%1,129,411
Jul 22, 2026676.43676.80648.90651.18650.42-3.56%872,170
Jul 21, 2026672.55678.67666.87675.19674.400.45%529,783
Jul 20, 2026674.72681.74669.88672.15671.37-0.67%624,791
Jul 17, 2026676.05691.13672.31676.69675.90-0.33%648,400
Jul 16, 2026666.28680.29661.38678.94678.152.18%730,245
Jul 15, 2026656.11669.10648.66664.45663.681.27%555,419
Jul 14, 2026658.00663.11653.31656.12655.35-1.05%477,991
Jul 13, 2026661.63665.60655.11663.09662.32-0.22%606,304
Jul 10, 2026670.06676.66658.50664.52663.74-0.51%581,778
Jul 9, 2026660.80669.16660.80667.95667.170.76%672,528
Jul 8, 2026669.11670.35661.43662.88662.11-1.97%746,834
Jul 7, 2026663.18677.92659.02676.23675.444.07%918,937
Jul 6, 2026657.96657.96637.72649.81649.05-0.68%714,338
Jul 2, 2026630.52654.94625.70654.27653.514.73%1,071,604