Supernus Pharmaceuticals, Inc. (SUPN)
NASDAQ: SUPN · Real-Time Price · USD
42.07
+0.86 (2.09%)
At close: Oct 22, 2026, 4:00 PM EDT
42.65
+0.58 (1.38%)
Pre-market: Oct 23, 2026, 5:33 AM EDT

Supernus Pharmaceuticals Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 22, 202641.5242.0940.7342.0742.072.09%937,420
Oct 21, 202641.2342.0040.8641.2141.21-0.05%1,005,963
Oct 20, 202639.9541.7439.7741.2341.233.49%1,240,342
Oct 19, 202637.7740.5237.7739.8439.845.17%1,509,140
Oct 16, 202639.4939.5037.5437.8837.88-4.27%1,441,632
Oct 15, 202640.2141.3139.3639.5739.57-1.52%1,013,118
Oct 14, 202641.9343.2639.9740.1840.18-4.36%906,715
Oct 13, 202642.9443.2941.7142.0142.01-1.87%1,196,915
Oct 12, 202642.6743.2041.9042.8142.810.33%914,563
Oct 9, 202642.1843.1442.1542.6742.671.26%643,833
Oct 8, 202642.4143.4141.1442.1442.14-2.11%684,161
Oct 7, 202642.2443.3842.2443.0543.050.51%571,037
Oct 6, 202642.8643.1241.4042.8342.830.16%748,264
Oct 5, 202642.3843.2042.3842.7642.760.90%1,288,381
Oct 2, 202642.4743.1541.8842.3842.380.47%739,805
Oct 1, 202643.2143.6942.1542.1842.18-2.00%424,631
Sep 30, 202644.0344.1843.0343.0443.04-2.12%685,590
Sep 29, 202644.3944.9343.2043.9743.97-1.41%551,595
Sep 28, 202642.5944.6142.3844.6044.604.55%731,229
Sep 25, 202643.2143.6942.6542.6642.66-1.46%607,568
Sep 24, 202643.2244.0042.7743.2943.29-0.23%589,011
Sep 23, 202643.6644.4643.1443.3943.39-0.82%544,530
Sep 22, 202643.0444.2542.8243.7543.752.27%667,587
Sep 21, 202642.0042.9741.6842.7842.781.86%635,721
Sep 18, 202642.8942.8941.6042.0042.00-2.14%1,182,919
Sep 17, 202641.6643.4041.4642.9242.923.72%559,774
Sep 16, 202641.3141.8440.7541.3841.380.24%787,815
Sep 15, 202641.4941.7540.5141.2841.28-0.51%669,223
Sep 14, 202642.1642.5441.2341.4941.49-0.36%678,060
Sep 11, 202641.8142.4441.6241.6441.64-0.12%707,159
Sep 10, 202641.8442.5541.1141.6941.69-0.90%726,749
Sep 9, 202642.1742.5941.5042.0742.07-0.85%580,434
Sep 8, 202643.5643.5642.3242.4342.43-2.53%429,133
Sep 4, 202643.6644.1143.4343.5343.53-1.00%444,197
Sep 3, 202644.5644.5643.1643.9743.97-0.14%390,320
Sep 2, 202644.4245.0543.6744.0344.030.66%445,942
Sep 1, 202644.3544.7543.5343.7443.74-1.06%757,781
Aug 31, 202643.8244.3742.8444.2144.211.10%535,722
Aug 28, 202643.9544.3443.1243.7343.73-1.04%487,925
Aug 27, 202644.8745.0443.8944.1944.19-1.54%464,947
Aug 26, 202645.1145.4344.5044.8844.88-1.06%499,684
Aug 25, 202645.3745.8644.2345.3645.360.55%496,056
Aug 24, 202645.6045.8644.8245.1145.11-1.61%495,505
Aug 21, 202647.7147.8245.7945.8545.85-3.37%748,894
Aug 20, 202647.8648.2646.9347.4547.45-2.25%646,851
Aug 19, 202649.5049.8248.5148.5448.54-1.00%797,223
Aug 18, 202648.8049.5748.5449.0349.031.57%592,240
Aug 17, 202647.6648.6647.6648.2748.27-536,730
Aug 14, 202646.7048.3946.5748.2748.272.38%331,731
Aug 13, 202647.7448.1846.8747.1547.15-1.50%667,871