Supernus Pharmaceuticals, Inc. (SUPN)

NASDAQ: SUPN · Real-Time Price · USD

44.88

+1.56 (3.60%)

At close: Aug 22, 2025, 4:00 PM

45.65

+0.77 (1.72%)

After-hours: Aug 22, 2025, 4:42 PM EDT

Supernus Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 22, 2025	43.49	45.01	43.49	44.88	44.88	3.60%	1,047,667
Aug 21, 2025	42.72	43.54	42.67	43.32	43.32	1.50%	719,021
Aug 20, 2025	42.15	42.96	41.78	42.68	42.68	1.62%	812,613
Aug 19, 2025	42.95	43.07	41.96	42.00	42.00	-2.30%	623,199
Aug 18, 2025	42.76	43.73	42.47	42.99	42.99	0.70%	682,108
Aug 15, 2025	42.24	43.58	42.04	42.69	42.69	1.23%	996,286
Aug 14, 2025	42.31	42.65	41.76	42.17	42.17	-1.10%	804,436
Aug 13, 2025	41.31	42.96	41.01	42.64	42.64	3.39%	1,080,213
Aug 12, 2025	41.12	41.70	40.50	41.24	41.24	1.65%	897,639
Aug 11, 2025	41.25	41.60	40.32	40.57	40.57	-1.60%	877,607
Aug 8, 2025	41.33	41.76	40.26	41.23	41.23	-0.55%	1,045,064
Aug 7, 2025	42.41	42.41	40.43	41.46	41.46	-2.31%	1,934,538
Aug 6, 2025	39.15	43.62	38.26	42.44	42.44	13.08%	3,814,761
Aug 5, 2025	36.83	37.88	36.46	37.53	37.53	1.30%	1,132,242
Aug 4, 2025	35.58	37.10	35.51	37.05	37.05	4.35%	747,349
Aug 1, 2025	34.66	35.69	34.64	35.51	35.51	1.15%	858,699
Jul 31, 2025	32.83	35.92	32.83	35.10	35.10	4.59%	1,679,755
Jul 30, 2025	34.26	34.61	33.48	33.56	33.56	0.33%	555,792
Jul 29, 2025	33.52	33.93	32.94	33.45	33.45	0.12%	805,564
Jul 28, 2025	33.37	34.21	33.18	33.41	33.41	-0.51%	583,037
Jul 25, 2025	32.94	33.64	32.53	33.58	33.58	2.22%	640,360
Jul 24, 2025	32.90	33.41	32.51	32.85	32.85	-0.36%	540,348
Jul 23, 2025	32.85	33.37	32.71	32.97	32.97	0.92%	498,099
Jul 22, 2025	33.24	33.72	32.52	32.67	32.67	-1.69%	728,575
Jul 21, 2025	32.34	33.44	32.21	33.23	33.23	2.75%	869,764
Jul 18, 2025	33.83	33.83	32.20	32.34	32.34	-3.72%	690,515
Jul 17, 2025	33.38	34.40	33.38	33.59	33.59	0.21%	945,863
Jul 16, 2025	33.67	34.05	32.91	33.52	33.52	0.03%	1,200,451
Jul 15, 2025	33.87	34.12	33.08	33.51	33.51	-1.33%	677,062
Jul 14, 2025	33.08	33.98	33.08	33.96	33.96	2.54%	594,612
Jul 11, 2025	33.03	33.37	32.50	33.12	33.12	-0.06%	461,128
Jul 10, 2025	32.71	33.80	32.55	33.14	33.14	1.44%	875,179
Jul 9, 2025	32.25	32.95	32.15	32.67	32.67	1.81%	874,019
Jul 8, 2025	31.43	32.72	31.37	32.09	32.09	2.03%	1,204,649
Jul 7, 2025	31.78	32.12	31.35	31.45	31.45	-1.66%	682,248
Jul 3, 2025	32.14	32.55	31.75	31.98	31.98	-0.28%	212,566
Jul 2, 2025	31.81	32.22	31.62	32.07	32.07	0.79%	474,543
Jul 1, 2025	31.42	32.78	31.37	31.82	31.82	0.95%	856,921
Jun 30, 2025	31.24	31.81	31.16	31.52	31.52	1.16%	534,855
Jun 27, 2025	31.23	31.39	30.93	31.16	31.16	-0.13%	1,104,227
Jun 26, 2025	31.32	31.76	31.03	31.20	31.20	-0.13%	492,509
Jun 25, 2025	31.55	31.69	30.83	31.24	31.24	-1.36%	1,053,523
Jun 24, 2025	32.18	32.67	31.38	31.67	31.67	-1.00%	742,712
Jun 23, 2025	32.19	32.49	31.46	31.99	31.99	-0.90%	836,215
Jun 20, 2025	32.96	33.30	32.24	32.28	32.28	-2.06%	909,394
Jun 18, 2025	32.33	33.26	32.01	32.96	32.96	1.96%	583,113
Jun 17, 2025	32.28	33.09	31.56	32.33	32.33	-0.45%	784,137
Jun 16, 2025	32.37	33.15	31.80	32.47	32.47	1.37%	1,197,331
Jun 13, 2025	32.36	32.91	31.89	32.03	32.03	-2.26%	590,662
Jun 12, 2025	32.93	33.27	32.31	32.77	32.77	-1.15%	743,983