Supernus Pharmaceuticals, Inc. (SUPN)
NASDAQ: SUPN · Real-Time Price · USD
55.13
-1.37 (-2.42%)
At close: Oct 31, 2025, 4:00 PM EDT
56.19
+1.06 (1.92%)
After-hours: Oct 31, 2025, 6:20 PM EDT

Supernus Pharmaceuticals Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 31, 202556.3357.3354.2155.1355.13-2.42%904,189
Oct 30, 202555.6157.6555.0256.5056.501.47%859,196
Oct 29, 202554.9055.9553.1655.6855.684.72%2,314,768
Oct 28, 202552.7253.3851.8453.1753.170.85%410,434
Oct 27, 202554.0054.7952.6152.7252.72-0.21%507,584
Oct 24, 202552.3053.2852.3052.8352.831.56%840,147
Oct 23, 202551.0753.0450.7052.0252.022.66%891,616
Oct 22, 202550.7251.4749.9550.6750.67-561,904
Oct 21, 202551.4351.6050.3350.6750.67-1.78%422,142
Oct 20, 202550.4452.1550.1151.5951.592.83%741,230
Oct 17, 202549.6950.8549.4450.1750.170.82%630,165
Oct 16, 202549.2249.7748.9749.7649.760.99%374,877
Oct 15, 202549.1649.6748.8249.2749.270.10%565,363
Oct 14, 202548.3149.4847.9849.2249.221.74%656,198
Oct 13, 202549.1949.3548.1948.3848.38-1.27%561,138
Oct 10, 202549.3949.8248.2749.0049.00-1.03%1,047,266
Oct 9, 202551.0851.7849.3549.5149.513.15%2,131,210
Oct 8, 202548.0448.2447.2748.0048.00-0.15%584,456
Oct 7, 202548.3248.4847.5948.0748.07-0.50%564,144
Oct 6, 202548.3548.8447.3448.3148.31-0.08%728,053
Oct 3, 202547.9749.6647.9748.3548.350.81%939,438
Oct 2, 202547.9348.6447.4147.9647.96-0.17%592,627
Oct 1, 202547.6248.2747.2948.0448.040.52%470,082
Sep 30, 202548.0148.4447.3847.7947.790.40%497,513
Sep 29, 202547.1848.1546.7747.6047.601.21%705,333
Sep 26, 202547.4448.0046.8647.0347.03-0.32%594,768
Sep 25, 202546.9747.5246.3247.1847.180.17%726,113
Sep 24, 202546.8847.1746.4447.1047.100.58%459,628
Sep 23, 202546.7047.6546.4346.8346.83-0.32%736,536
Sep 22, 202546.2047.0745.7646.9846.982.04%681,901
Sep 19, 202546.7746.7745.7546.0446.04-0.20%1,365,793
Sep 18, 202544.6446.2444.2946.1346.132.97%849,927
Sep 17, 202544.0445.1643.8944.8044.801.84%629,009
Sep 16, 202543.9644.2043.4443.9943.99-1,063,607
Sep 15, 202545.1945.8343.9043.9943.99-3.23%794,454
Sep 12, 202546.4746.6745.3945.4645.46-2.57%415,075
Sep 11, 202546.2346.7245.8746.6646.660.97%470,462
Sep 10, 202546.0046.2345.2646.2146.210.39%661,933
Sep 9, 202545.7346.2245.3946.0346.030.46%561,794
Sep 8, 202545.9246.7945.6045.8245.82-0.39%595,381
Sep 5, 202545.3946.1045.1946.0046.001.25%657,578
Sep 4, 202544.9945.5044.6845.4345.431.11%600,880
Sep 3, 202544.6245.1844.5344.9344.930.88%553,192
Sep 2, 202544.9545.9444.1044.5444.54-1.29%861,826
Aug 29, 202545.5845.5844.9845.1245.12-0.55%481,773
Aug 28, 202545.0745.4244.1745.3745.370.67%468,822
Aug 27, 202544.0945.1043.7745.0745.071.69%680,753
Aug 26, 202544.1944.6843.8444.3244.32-0.25%372,840
Aug 25, 202544.9545.6044.3744.4344.43-1.00%645,741
Aug 22, 202543.4945.0143.4944.8844.883.60%1,047,668