Regeneron Pharmaceuticals, Inc. - REGN - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 31, 2025	649.45	651.8	651.8	660	645	797,849
October 30, 2025	645.56	654.04	654.04	664	643.92	1.12M
October 29, 2025	650.41	652.91	652.91	659.98	637.66	1.37M
October 28, 2025	612.02	654.48	654.48	655.7	605.03	2.13M
October 27, 2025	580.5	585.31	585.31	586.15	575.93	1.25M
October 24, 2025	579.65	577.95	577.95	582.7	576.2	875,474
October 23, 2025	579.68	575.69	575.69	584	572.75	779,106
October 22, 2025	580.21	584.74	584.74	588.71	578.6	691,262
October 21, 2025	574.6	579.34	579.34	582.41	572.82	651,765
October 20, 2025	579.41	576.77	576.77	582.65	574.23	639,173
October 17, 2025	570.35	578.05	578.05	579.04	566.11	745,708
October 16, 2025	583.01	569.17	569.17	589.08	564	842,249
October 15, 2025	575.03	576.42	576.42	584.87	569.02	927,747
October 14, 2025	556.92	572.6	572.6	576.18	553.87	1.01M
October 13, 2025	551.5	557.73	557.73	563.77	541	1.43M
October 10, 2025	569.29	564.63	564.63	577.17	555.54	1.5M
October 09, 2025	569.02	569.9	569.9	574.72	563.51	853,522
October 08, 2025	584.01	563.86	563.86	605	560.97	1.42M
October 07, 2025	587.59	583.24	583.24	591.45	578.42	656,378
October 06, 2025	602	585.48	585.48	603.65	584.41	1.07M
October 03, 2025	602.09	600	600	618.01	599.87	1.15M
October 02, 2025	600.42	600	600	605.41	596.6	1.1M
October 01, 2025	570.87	599.94	599.94	615.39	569.99	2.08M
September 30, 2025	560.58	562.27	562.27	574.04	555	1.66M
September 29, 2025	563.9	560.75	560.75	564.91	557.34	922,537
September 26, 2025	562	563.9	563.9	564.61	550.71	838,628
September 25, 2025	577.3	555.51	555.51	579	549.2	1.39M
September 24, 2025	567.89	576.98	576.98	577.98	566	777,700
September 23, 2025	580	567.89	567.89	582	565.45	1.35M
September 22, 2025	593	595.68	595.68	600.75	588.67	904,972
September 19, 2025	602.54	591.99	591.99	603.47	591	2.18M
September 18, 2025	589.52	598.71	598.71	600	583.92	1.27M
September 17, 2025	576.31	585.5	585.5	587.67	576.31	921,500
September 16, 2025	573.43	575.06	575.06	579.4	567.3	708,090
September 15, 2025	558.54	572.59	572.59	573.69	558.54	995,857
September 12, 2025	567.34	560	560	570	559.45	602,753
September 11, 2025	555.81	568.2	568.2	570.76	555.81	867,883
September 10, 2025	555.21	555.83	555.83	559.06	553	872,201
September 09, 2025	557	556.53	556.53	563.57	554.8	873,267
September 08, 2025	571.2	558.44	558.44	571.2	552.81	1.2M
September 05, 2025	565.15	573.38	573.38	577.75	565	960,386
September 04, 2025	568.01	567.22	567.22	581.98	559.62	1.12M
September 03, 2025	581.99	563.8	563.8	588.7	562.8	1.1M
September 02, 2025	580.54	577.9	577.9	585.49	570.35	1.02M
August 29, 2025	577.15	580.7	580.7	581.25	575.89	574,375
August 28, 2025	586.43	579.61	579.61	590.96	575.04	616,620
August 27, 2025	591.87	586.96	586.96	597.02	585.5	584,150
August 26, 2025	573	587.65	587.65	588.1	567.08	1.61M
August 25, 2025	591.06	572.38	572.38	594.88	572.25	881,012
August 22, 2025	602.35	589.48	589.48	610.45	585.5	1.44M
August 21, 2025	586.87	598.16	598.16	605.18	585.1	1.01M
August 20, 2025	572.33	591.01	591.01	596.92	570.39	1.3M
August 19, 2025	575.3	571.78	571.78	581.69	570.8	854,756
August 18, 2025	582.09	573.91	573.91	585	573.81	576,503
August 15, 2025	577.96	580.41	579.53	581.95	570.84	1.12M
August 14, 2025	560.9	565.97	565.11	573.49	558	976,320
August 13, 2025	557.08	561.55	560.7	565.5	552	1.1M
August 12, 2025	547.94	556.55	555.71	562.74	547.09	766,066
August 11, 2025	561.52	545.94	545.11	572.58	544.16	1.1M
August 08, 2025	559.8	563	563	567.69	558.06	1.02M

Regeneron Pharmaceuticals, Inc. (REGN) NASDAQ