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
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 31, 2025 | 56.33 | 57.33 | 54.21 | 55.13 | 55.13 | -2.42% | 904,189 |
| Oct 30, 2025 | 55.61 | 57.65 | 55.02 | 56.50 | 56.50 | 1.47% | 859,196 |
| Oct 29, 2025 | 54.90 | 55.95 | 53.16 | 55.68 | 55.68 | 4.72% | 2,314,768 |
| Oct 28, 2025 | 52.72 | 53.38 | 51.84 | 53.17 | 53.17 | 0.85% | 410,434 |
| Oct 27, 2025 | 54.00 | 54.79 | 52.61 | 52.72 | 52.72 | -0.21% | 507,584 |
| Oct 24, 2025 | 52.30 | 53.28 | 52.30 | 52.83 | 52.83 | 1.56% | 840,147 |
| Oct 23, 2025 | 51.07 | 53.04 | 50.70 | 52.02 | 52.02 | 2.66% | 891,616 |
| Oct 22, 2025 | 50.72 | 51.47 | 49.95 | 50.67 | 50.67 | - | 561,904 |
| Oct 21, 2025 | 51.43 | 51.60 | 50.33 | 50.67 | 50.67 | -1.78% | 422,142 |
| Oct 20, 2025 | 50.44 | 52.15 | 50.11 | 51.59 | 51.59 | 2.83% | 741,230 |
| Oct 17, 2025 | 49.69 | 50.85 | 49.44 | 50.17 | 50.17 | 0.82% | 630,165 |
| Oct 16, 2025 | 49.22 | 49.77 | 48.97 | 49.76 | 49.76 | 0.99% | 374,877 |
| Oct 15, 2025 | 49.16 | 49.67 | 48.82 | 49.27 | 49.27 | 0.10% | 565,363 |
| Oct 14, 2025 | 48.31 | 49.48 | 47.98 | 49.22 | 49.22 | 1.74% | 656,198 |
| Oct 13, 2025 | 49.19 | 49.35 | 48.19 | 48.38 | 48.38 | -1.27% | 561,138 |
| Oct 10, 2025 | 49.39 | 49.82 | 48.27 | 49.00 | 49.00 | -1.03% | 1,047,266 |
| Oct 9, 2025 | 51.08 | 51.78 | 49.35 | 49.51 | 49.51 | 3.15% | 2,131,210 |
| Oct 8, 2025 | 48.04 | 48.24 | 47.27 | 48.00 | 48.00 | -0.15% | 584,456 |
| Oct 7, 2025 | 48.32 | 48.48 | 47.59 | 48.07 | 48.07 | -0.50% | 564,144 |
| Oct 6, 2025 | 48.35 | 48.84 | 47.34 | 48.31 | 48.31 | -0.08% | 728,053 |
| Oct 3, 2025 | 47.97 | 49.66 | 47.97 | 48.35 | 48.35 | 0.81% | 939,438 |
| Oct 2, 2025 | 47.93 | 48.64 | 47.41 | 47.96 | 47.96 | -0.17% | 592,627 |
| Oct 1, 2025 | 47.62 | 48.27 | 47.29 | 48.04 | 48.04 | 0.52% | 470,082 |
| Sep 30, 2025 | 48.01 | 48.44 | 47.38 | 47.79 | 47.79 | 0.40% | 497,513 |
| Sep 29, 2025 | 47.18 | 48.15 | 46.77 | 47.60 | 47.60 | 1.21% | 705,333 |
| Sep 26, 2025 | 47.44 | 48.00 | 46.86 | 47.03 | 47.03 | -0.32% | 594,768 |
| Sep 25, 2025 | 46.97 | 47.52 | 46.32 | 47.18 | 47.18 | 0.17% | 726,113 |
| Sep 24, 2025 | 46.88 | 47.17 | 46.44 | 47.10 | 47.10 | 0.58% | 459,628 |
| Sep 23, 2025 | 46.70 | 47.65 | 46.43 | 46.83 | 46.83 | -0.32% | 736,536 |
| Sep 22, 2025 | 46.20 | 47.07 | 45.76 | 46.98 | 46.98 | 2.04% | 681,901 |
| Sep 19, 2025 | 46.77 | 46.77 | 45.75 | 46.04 | 46.04 | -0.20% | 1,365,793 |
| Sep 18, 2025 | 44.64 | 46.24 | 44.29 | 46.13 | 46.13 | 2.97% | 849,927 |
| Sep 17, 2025 | 44.04 | 45.16 | 43.89 | 44.80 | 44.80 | 1.84% | 629,009 |
| Sep 16, 2025 | 43.96 | 44.20 | 43.44 | 43.99 | 43.99 | - | 1,063,607 |
| Sep 15, 2025 | 45.19 | 45.83 | 43.90 | 43.99 | 43.99 | -3.23% | 794,454 |
| Sep 12, 2025 | 46.47 | 46.67 | 45.39 | 45.46 | 45.46 | -2.57% | 415,075 |
| Sep 11, 2025 | 46.23 | 46.72 | 45.87 | 46.66 | 46.66 | 0.97% | 470,462 |
| Sep 10, 2025 | 46.00 | 46.23 | 45.26 | 46.21 | 46.21 | 0.39% | 661,933 |
| Sep 9, 2025 | 45.73 | 46.22 | 45.39 | 46.03 | 46.03 | 0.46% | 561,794 |
| Sep 8, 2025 | 45.92 | 46.79 | 45.60 | 45.82 | 45.82 | -0.39% | 595,381 |
| Sep 5, 2025 | 45.39 | 46.10 | 45.19 | 46.00 | 46.00 | 1.25% | 657,578 |
| Sep 4, 2025 | 44.99 | 45.50 | 44.68 | 45.43 | 45.43 | 1.11% | 600,880 |
| Sep 3, 2025 | 44.62 | 45.18 | 44.53 | 44.93 | 44.93 | 0.88% | 553,192 |
| Sep 2, 2025 | 44.95 | 45.94 | 44.10 | 44.54 | 44.54 | -1.29% | 861,826 |
| Aug 29, 2025 | 45.58 | 45.58 | 44.98 | 45.12 | 45.12 | -0.55% | 481,773 |
| Aug 28, 2025 | 45.07 | 45.42 | 44.17 | 45.37 | 45.37 | 0.67% | 468,822 |
| Aug 27, 2025 | 44.09 | 45.10 | 43.77 | 45.07 | 45.07 | 1.69% | 680,753 |
| Aug 26, 2025 | 44.19 | 44.68 | 43.84 | 44.32 | 44.32 | -0.25% | 372,840 |
| Aug 25, 2025 | 44.95 | 45.60 | 44.37 | 44.43 | 44.43 | -1.00% | 645,741 |
| Aug 22, 2025 | 43.49 | 45.01 | 43.49 | 44.88 | 44.88 | 3.60% | 1,047,668 |