Supernus Pharmaceuticals, Inc. (SUPN)

NASDAQ: SUPN · Real-Time Price · USD

44.63

-0.98 (-2.15%)

At close: Jul 31, 2026, 4:00 PM EDT

45.01

+0.38 (0.85%)

After-hours: Jul 31, 2026, 7:45 PM EDT

Supernus Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jul 31, 2026	45.19	45.67	44.35	44.63	44.63	-2.15%	572,039
Jul 30, 2026	46.30	46.77	45.50	45.61	45.61	-2.06%	466,933
Jul 29, 2026	47.60	48.00	46.08	46.57	46.57	-2.43%	522,131
Jul 28, 2026	47.78	48.45	46.77	47.73	47.73	1.60%	478,018
Jul 27, 2026	46.56	48.08	45.84	46.98	46.98	1.69%	523,012
Jul 24, 2026	47.02	47.46	46.03	46.20	46.20	-2.10%	521,934
Jul 23, 2026	46.41	47.54	46.07	47.19	47.19	0.53%	463,336
Jul 22, 2026	47.87	48.13	46.79	46.94	46.94	-1.94%	430,059
Jul 21, 2026	47.00	48.02	46.39	47.87	47.87	0.95%	450,288
Jul 20, 2026	48.09	48.79	47.30	47.42	47.42	-1.29%	618,820
Jul 17, 2026	48.15	49.06	47.90	48.04	48.04	-0.35%	439,397
Jul 16, 2026	47.53	48.30	47.24	48.21	48.21	1.01%	593,351
Jul 15, 2026	46.81	47.74	46.20	47.73	47.73	2.29%	500,530
Jul 14, 2026	46.89	47.57	46.09	46.66	46.66	-1.46%	824,025
Jul 13, 2026	48.09	48.24	46.91	47.35	47.35	-2.29%	685,265
Jul 10, 2026	48.80	48.80	47.39	48.46	48.46	-0.59%	1,126,231
Jul 9, 2026	50.82	51.37	47.88	48.75	48.75	-3.35%	1,296,246
Jul 8, 2026	47.85	50.62	47.55	50.44	50.44	5.21%	1,430,324
Jul 7, 2026	47.74	48.34	47.04	47.94	47.94	1.48%	1,017,343
Jul 6, 2026	47.62	48.12	46.76	47.24	47.24	-1.69%	878,465
Jul 2, 2026	47.49	48.11	46.97	48.05	48.05	1.35%	969,031
Jul 1, 2026	46.98	47.62	45.99	47.41	47.41	1.94%	894,684
Jun 30, 2026	46.64	47.08	46.00	46.51	46.51	-0.62%	679,966
Jun 29, 2026	46.49	46.85	45.80	46.80	46.80	-0.09%	974,438
Jun 26, 2026	44.75	47.13	44.75	46.84	46.84	4.67%	3,338,838
Jun 25, 2026	44.94	45.46	44.49	44.75	44.75	-0.86%	697,624
Jun 24, 2026	44.55	45.50	44.12	45.14	45.14	1.48%	759,697
Jun 23, 2026	44.69	45.50	44.44	44.48	44.48	-	544,634
Jun 22, 2026	44.50	45.00	44.09	44.48	44.48	0.23%	513,750
Jun 18, 2026	44.07	44.58	43.54	44.38	44.38	1.84%	1,096,029
Jun 17, 2026	43.37	44.01	42.50	43.58	43.58	-	563,031
Jun 16, 2026	44.09	44.26	42.45	43.58	43.58	-0.64%	720,139
Jun 15, 2026	44.36	44.44	42.74	43.86	43.86	-1.24%	902,284
Jun 12, 2026	45.71	45.71	44.16	44.41	44.41	-2.50%	825,356
Jun 11, 2026	45.06	45.89	44.41	45.55	45.55	1.02%	478,366
Jun 10, 2026	45.44	46.58	44.98	45.09	45.09	-1.25%	380,057
Jun 9, 2026	44.86	45.79	44.70	45.66	45.66	2.65%	380,769
Jun 8, 2026	44.94	45.59	44.34	44.48	44.48	-0.60%	431,264
Jun 5, 2026	45.05	45.73	44.60	44.75	44.75	0.11%	574,092
Jun 4, 2026	44.66	45.72	44.43	44.70	44.70	1.51%	460,501
Jun 3, 2026	43.93	44.98	43.45	44.04	44.04	-0.08%	1,003,055
Jun 2, 2026	44.25	44.47	43.45	44.07	44.07	-1.54%	711,350
Jun 1, 2026	45.83	46.16	44.17	44.76	44.76	-3.07%	571,040
May 29, 2026	46.60	47.15	45.96	46.18	46.18	-1.43%	544,813
May 28, 2026	46.63	47.76	45.92	46.85	46.85	0.45%	635,593
May 27, 2026	47.76	48.38	46.40	46.64	46.64	-2.37%	710,985
May 26, 2026	48.44	48.68	47.42	47.77	47.77	-0.91%	474,838
May 22, 2026	49.38	49.83	48.17	48.21	48.21	-2.37%	526,838
May 21, 2026	48.68	49.66	47.98	49.38	49.38	1.42%	529,463
May 20, 2026	48.27	49.24	47.67	48.69	48.69	2.25%	606,181