Supernus Pharmaceuticals, Inc. (SUPN)
NASDAQ: SUPN · Real-Time Price · USD
48.69
-0.77 (-1.56%)
At close: Apr 28, 2026, 4:00 PM EDT
47.69
-1.00 (-2.05%)
After-hours: Apr 28, 2026, 4:54 PM EDT
Supernus Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 50.06 | 50.13 | 48.12 | 48.69 | 48.69 | -1.56% | 696,953 |
| Apr 27, 2026 | 49.58 | 50.18 | 49.18 | 49.46 | 49.46 | -0.60% | 709,656 |
| Apr 24, 2026 | 50.39 | 50.51 | 48.71 | 49.76 | 49.76 | -1.25% | 450,143 |
| Apr 23, 2026 | 50.75 | 51.43 | 49.45 | 50.39 | 50.39 | 0.20% | 301,634 |
| Apr 22, 2026 | 49.42 | 50.32 | 49.01 | 50.29 | 50.29 | 2.38% | 391,680 |
| Apr 21, 2026 | 51.06 | 51.13 | 48.99 | 49.12 | 49.12 | -4.16% | 502,221 |
| Apr 20, 2026 | 51.10 | 51.37 | 50.50 | 51.25 | 51.25 | -0.27% | 421,220 |
| Apr 17, 2026 | 49.78 | 52.31 | 49.61 | 51.39 | 51.39 | 4.41% | 797,784 |
| Apr 16, 2026 | 49.83 | 49.89 | 48.35 | 49.22 | 49.22 | -1.44% | 494,499 |
| Apr 15, 2026 | 50.11 | 50.91 | 49.48 | 49.94 | 49.94 | -0.34% | 349,023 |
| Apr 14, 2026 | 50.63 | 51.03 | 49.76 | 50.11 | 50.11 | 0.32% | 460,025 |
| Apr 13, 2026 | 50.64 | 50.80 | 49.65 | 49.95 | 49.95 | -1.44% | 347,444 |
| Apr 10, 2026 | 51.62 | 51.71 | 50.00 | 50.68 | 50.68 | -1.59% | 445,337 |
| Apr 9, 2026 | 51.43 | 52.32 | 51.00 | 51.50 | 51.50 | -0.21% | 498,756 |
| Apr 8, 2026 | 51.97 | 52.37 | 50.71 | 51.61 | 51.61 | 1.28% | 618,498 |
| Apr 7, 2026 | 50.20 | 51.06 | 49.57 | 50.96 | 50.96 | 0.83% | 873,941 |
| Apr 6, 2026 | 50.23 | 51.24 | 49.82 | 50.54 | 50.54 | 0.12% | 438,419 |
| Apr 2, 2026 | 50.49 | 51.37 | 50.08 | 50.48 | 50.48 | -1.87% | 472,496 |
| Apr 1, 2026 | 51.37 | 52.69 | 51.32 | 51.44 | 51.44 | -0.48% | 624,450 |
| Mar 31, 2026 | 49.81 | 51.94 | 49.65 | 51.69 | 51.69 | 4.74% | 396,201 |
| Mar 30, 2026 | 49.88 | 50.07 | 48.85 | 49.35 | 49.35 | -0.34% | 560,681 |
| Mar 27, 2026 | 50.36 | 51.13 | 49.00 | 49.52 | 49.52 | -2.51% | 547,753 |
| Mar 26, 2026 | 50.37 | 51.00 | 49.22 | 50.80 | 50.80 | 1.47% | 387,771 |
| Mar 25, 2026 | 50.01 | 50.78 | 49.81 | 50.06 | 50.06 | 1.38% | 438,153 |
| Mar 24, 2026 | 48.80 | 49.87 | 48.24 | 49.38 | 49.38 | 0.26% | 660,873 |
| Mar 23, 2026 | 48.86 | 49.36 | 47.75 | 49.25 | 49.25 | 3.12% | 831,311 |
| Mar 20, 2026 | 49.09 | 49.29 | 46.83 | 47.76 | 47.76 | -2.21% | 1,279,868 |
| Mar 19, 2026 | 49.07 | 49.87 | 48.57 | 48.84 | 48.84 | -0.91% | 569,112 |
| Mar 18, 2026 | 50.48 | 50.48 | 48.91 | 49.29 | 49.29 | -3.01% | 575,962 |
| Mar 17, 2026 | 50.13 | 51.15 | 49.40 | 50.82 | 50.82 | 1.21% | 549,292 |
| Mar 16, 2026 | 50.01 | 51.00 | 47.71 | 50.21 | 50.21 | 0.60% | 518,505 |
| Mar 13, 2026 | 50.76 | 51.81 | 49.64 | 49.91 | 49.91 | -1.09% | 802,078 |
| Mar 12, 2026 | 51.80 | 52.20 | 50.42 | 50.46 | 50.46 | -5.19% | 534,869 |
| Mar 11, 2026 | 53.16 | 53.41 | 51.38 | 53.22 | 53.22 | -0.84% | 555,009 |
| Mar 10, 2026 | 54.29 | 56.00 | 53.61 | 53.67 | 53.67 | -0.92% | 514,467 |
| Mar 9, 2026 | 53.56 | 54.30 | 52.27 | 54.17 | 54.17 | 0.56% | 801,842 |
| Mar 6, 2026 | 53.43 | 54.24 | 52.27 | 53.87 | 53.87 | -0.74% | 649,634 |
| Mar 5, 2026 | 54.81 | 55.34 | 52.50 | 54.27 | 54.27 | -2.36% | 880,214 |
| Mar 4, 2026 | 54.72 | 56.49 | 54.16 | 55.58 | 55.58 | 1.87% | 615,979 |
| Mar 3, 2026 | 54.27 | 55.00 | 52.95 | 54.56 | 54.56 | -0.96% | 720,184 |
| Mar 2, 2026 | 53.99 | 55.28 | 53.30 | 55.09 | 55.09 | 0.66% | 474,117 |
| Feb 27, 2026 | 56.59 | 56.59 | 53.11 | 54.73 | 54.73 | -1.83% | 875,702 |
| Feb 26, 2026 | 55.60 | 56.38 | 54.05 | 55.75 | 55.75 | -1.01% | 1,249,201 |
| Feb 25, 2026 | 56.50 | 59.68 | 55.35 | 56.32 | 56.32 | 5.67% | 2,820,352 |
| Feb 24, 2026 | 50.95 | 53.68 | 50.77 | 53.30 | 53.30 | 5.15% | 2,208,522 |
| Feb 23, 2026 | 50.75 | 51.23 | 49.63 | 50.69 | 50.69 | -0.33% | 563,504 |
| Feb 20, 2026 | 51.48 | 51.88 | 50.19 | 50.86 | 50.86 | -0.95% | 758,571 |
| Feb 19, 2026 | 50.27 | 51.63 | 49.60 | 51.35 | 51.35 | 2.29% | 773,991 |
| Feb 18, 2026 | 51.65 | 51.65 | 50.03 | 50.20 | 50.20 | -2.75% | 494,613 |
| Feb 17, 2026 | 50.87 | 51.97 | 50.46 | 51.62 | 51.62 | 1.53% | 720,980 |
| Feb 13, 2026 | 49.85 | 51.41 | 49.46 | 50.84 | 50.84 | 1.99% | 738,653 |
| Feb 12, 2026 | 51.37 | 51.59 | 49.76 | 49.85 | 49.85 | -2.90% | 675,941 |
| Feb 11, 2026 | 51.17 | 51.61 | 49.94 | 51.34 | 51.34 | 0.31% | 656,694 |
| Feb 10, 2026 | 51.44 | 51.93 | 50.64 | 51.18 | 51.18 | -0.23% | 495,044 |
| Feb 9, 2026 | 51.75 | 51.96 | 50.36 | 51.30 | 51.30 | -0.68% | 654,421 |
| Feb 6, 2026 | 50.01 | 51.99 | 50.01 | 51.65 | 51.65 | 4.62% | 893,956 |
| Feb 5, 2026 | 48.98 | 50.10 | 48.93 | 49.37 | 49.37 | 0.59% | 565,508 |
| Feb 4, 2026 | 48.42 | 49.47 | 48.20 | 49.08 | 49.08 | 1.40% | 665,344 |
| Feb 3, 2026 | 48.86 | 49.71 | 47.29 | 48.40 | 48.40 | -0.78% | 773,467 |
| Feb 2, 2026 | 48.15 | 49.49 | 48.11 | 48.78 | 48.78 | 1.29% | 1,011,502 |
| Jan 30, 2026 | 48.73 | 49.07 | 48.02 | 48.16 | 48.16 | -1.83% | 792,911 |
| Jan 29, 2026 | 48.74 | 49.36 | 48.04 | 49.06 | 49.06 | 0.25% | 826,812 |
| Jan 28, 2026 | 49.41 | 50.09 | 48.41 | 48.94 | 48.94 | -1.01% | 788,888 |
| Jan 27, 2026 | 49.11 | 49.53 | 48.73 | 49.44 | 49.44 | 0.57% | 478,209 |
| Jan 26, 2026 | 48.07 | 49.67 | 48.07 | 49.16 | 49.16 | 1.89% | 815,412 |
| Jan 23, 2026 | 48.81 | 49.04 | 47.94 | 48.25 | 48.25 | -1.73% | 699,894 |
| Jan 22, 2026 | 49.68 | 50.46 | 48.98 | 49.10 | 49.10 | -0.85% | 782,440 |
| Jan 21, 2026 | 49.65 | 50.25 | 48.84 | 49.52 | 49.52 | -0.60% | 506,394 |
| Jan 20, 2026 | 49.72 | 50.55 | 48.88 | 49.82 | 49.82 | -0.36% | 935,170 |
| Jan 16, 2026 | 50.19 | 50.42 | 49.52 | 50.00 | 50.00 | -0.52% | 581,504 |
| Jan 15, 2026 | 51.78 | 52.34 | 50.08 | 50.26 | 50.26 | -2.97% | 653,443 |
| Jan 14, 2026 | 51.23 | 52.21 | 50.61 | 51.80 | 51.80 | 0.68% | 701,295 |
| Jan 13, 2026 | 51.07 | 51.57 | 49.41 | 51.45 | 51.45 | 0.18% | 698,490 |
| Jan 12, 2026 | 52.17 | 52.50 | 50.65 | 51.36 | 51.36 | 0.49% | 712,771 |
| Jan 9, 2026 | 52.00 | 52.39 | 50.45 | 51.11 | 51.11 | -0.12% | 1,220,251 |
| Jan 8, 2026 | 51.32 | 51.83 | 50.45 | 51.17 | 51.17 | -0.14% | 352,816 |
| Jan 7, 2026 | 50.15 | 51.42 | 49.90 | 51.24 | 51.24 | 4.02% | 587,339 |
| Jan 6, 2026 | 49.18 | 49.54 | 47.80 | 49.26 | 49.26 | -0.28% | 650,018 |
| Jan 5, 2026 | 49.25 | 49.77 | 48.27 | 49.40 | 49.40 | -0.14% | 448,597 |
| Jan 2, 2026 | 49.70 | 50.05 | 48.37 | 49.47 | 49.47 | -0.46% | 374,859 |
| Dec 31, 2025 | 50.00 | 50.10 | 49.32 | 49.70 | 49.70 | -0.38% | 364,279 |
| Dec 30, 2025 | 51.32 | 51.41 | 49.69 | 49.89 | 49.89 | -2.65% | 367,670 |
| Dec 29, 2025 | 51.55 | 51.75 | 51.14 | 51.25 | 51.25 | -0.62% | 385,115 |
| Dec 26, 2025 | 51.77 | 52.02 | 51.29 | 51.57 | 51.57 | -0.39% | 366,371 |
| Dec 24, 2025 | 52.21 | 52.30 | 51.01 | 51.77 | 51.77 | 0.12% | 209,018 |
| Dec 23, 2025 | 51.47 | 52.28 | 51.25 | 51.71 | 51.71 | 0.41% | 1,323,520 |
| Dec 22, 2025 | 51.37 | 51.66 | 50.61 | 51.50 | 51.50 | 0.04% | 471,677 |
| Dec 19, 2025 | 48.90 | 52.11 | 47.98 | 51.48 | 51.48 | 4.46% | 1,620,487 |
| Dec 18, 2025 | 48.87 | 49.78 | 48.63 | 49.28 | 49.28 | 1.09% | 722,178 |
| Dec 17, 2025 | 48.46 | 49.40 | 48.18 | 48.75 | 48.75 | 0.89% | 495,544 |
| Dec 16, 2025 | 47.28 | 48.84 | 47.20 | 48.32 | 48.32 | 2.20% | 619,210 |
| Dec 15, 2025 | 47.23 | 47.80 | 46.76 | 47.28 | 47.28 | 0.25% | 687,671 |
| Dec 12, 2025 | 46.96 | 47.57 | 46.36 | 47.16 | 47.16 | 1.40% | 611,775 |
| Dec 11, 2025 | 46.42 | 47.34 | 45.88 | 46.51 | 46.51 | 0.76% | 451,801 |
| Dec 10, 2025 | 45.62 | 46.90 | 45.43 | 46.16 | 46.16 | 1.63% | 663,519 |
| Dec 9, 2025 | 47.01 | 47.24 | 45.36 | 45.42 | 45.42 | -3.69% | 584,062 |
| Dec 8, 2025 | 46.32 | 47.26 | 45.75 | 47.16 | 47.16 | 3.24% | 919,252 |
| Dec 5, 2025 | 44.94 | 45.88 | 44.51 | 45.68 | 45.68 | 1.29% | 458,559 |
| Dec 4, 2025 | 44.76 | 45.10 | 44.28 | 45.10 | 45.10 | 0.76% | 493,658 |
| Dec 3, 2025 | 44.27 | 45.07 | 44.21 | 44.76 | 44.76 | 1.45% | 527,464 |