Sionna Therapeutics, Inc. (SION)
NASDAQ: SION · Real-Time Price · USD
42.82
+0.02 (0.05%)
At close: May 29, 2026, 4:00 PM EDT
42.75
-0.07 (-0.16%)
After-hours: May 29, 2026, 7:13 PM EDT
Sionna Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | 42.96 | 43.77 | 42.15 | 42.82 | 42.82 | 0.05% | 645,334 |
| May 28, 2026 | 43.43 | 44.61 | 42.39 | 42.80 | 42.80 | -1.45% | 416,031 |
| May 27, 2026 | 43.46 | 44.49 | 42.95 | 43.43 | 43.43 | 1.28% | 189,444 |
| May 26, 2026 | 41.68 | 43.16 | 40.53 | 42.88 | 42.88 | 4.25% | 188,815 |
| May 22, 2026 | 41.81 | 43.42 | 40.81 | 41.13 | 41.13 | -1.49% | 182,571 |
| May 21, 2026 | 39.19 | 41.80 | 38.65 | 41.75 | 41.75 | 5.70% | 236,936 |
| May 20, 2026 | 38.39 | 39.71 | 36.90 | 39.50 | 39.50 | 4.83% | 392,330 |
| May 19, 2026 | 38.97 | 39.19 | 37.48 | 37.68 | 37.68 | -3.98% | 313,523 |
| May 18, 2026 | 41.46 | 41.46 | 38.16 | 39.24 | 39.24 | -2.44% | 341,615 |
| May 15, 2026 | 41.87 | 42.55 | 40.07 | 40.22 | 40.22 | -5.96% | 273,179 |
| May 14, 2026 | 42.70 | 44.22 | 41.50 | 42.77 | 42.77 | -0.81% | 342,367 |
| May 13, 2026 | 40.78 | 43.54 | 40.24 | 43.12 | 43.12 | 5.32% | 529,640 |
| May 12, 2026 | 45.07 | 46.07 | 40.75 | 40.94 | 40.94 | -10.90% | 525,215 |
| May 11, 2026 | 44.68 | 48.45 | 44.51 | 45.95 | 45.95 | 3.89% | 670,726 |
| May 8, 2026 | 43.93 | 45.10 | 43.36 | 44.23 | 44.23 | 2.12% | 405,348 |
| May 7, 2026 | 43.35 | 45.80 | 42.33 | 43.31 | 43.31 | 0.05% | 777,866 |
| May 6, 2026 | 41.15 | 43.86 | 40.43 | 43.29 | 43.29 | 5.66% | 311,287 |
| May 5, 2026 | 41.53 | 43.73 | 40.42 | 40.97 | 40.97 | 1.29% | 321,340 |
| May 4, 2026 | 38.64 | 41.45 | 38.64 | 40.45 | 40.45 | 3.32% | 341,466 |
| May 1, 2026 | 38.57 | 40.30 | 38.07 | 39.15 | 39.15 | 1.16% | 212,701 |
| Apr 30, 2026 | 37.82 | 38.92 | 37.67 | 38.70 | 38.70 | 3.39% | 241,674 |
| Apr 29, 2026 | 39.01 | 40.30 | 36.50 | 37.43 | 37.43 | -5.46% | 317,657 |
| Apr 28, 2026 | 39.68 | 41.15 | 38.58 | 39.59 | 39.59 | 0.97% | 404,721 |
| Apr 27, 2026 | 38.02 | 42.21 | 37.97 | 39.21 | 39.21 | 2.89% | 623,684 |
| Apr 24, 2026 | 38.35 | 38.61 | 35.10 | 38.11 | 38.11 | -0.63% | 518,006 |
| Apr 23, 2026 | 43.08 | 44.12 | 37.80 | 38.35 | 38.35 | -11.23% | 449,480 |
| Apr 22, 2026 | 41.81 | 43.63 | 41.72 | 43.20 | 43.20 | 3.37% | 363,494 |
| Apr 21, 2026 | 43.01 | 43.41 | 41.34 | 41.79 | 41.79 | -1.99% | 366,752 |
| Apr 20, 2026 | 43.54 | 44.71 | 41.98 | 42.64 | 42.64 | -2.07% | 447,998 |
| Apr 17, 2026 | 46.13 | 46.46 | 43.31 | 43.54 | 43.54 | -3.76% | 508,774 |
| Apr 16, 2026 | 44.41 | 46.06 | 42.86 | 45.24 | 45.24 | 0.33% | 817,608 |
| Apr 15, 2026 | 44.23 | 46.10 | 42.62 | 45.09 | 45.09 | 4.13% | 768,535 |
| Apr 14, 2026 | 41.86 | 44.71 | 41.12 | 43.30 | 43.30 | 3.66% | 900,098 |
| Apr 13, 2026 | 37.95 | 41.84 | 36.91 | 41.77 | 41.77 | 10.24% | 382,801 |
| Apr 10, 2026 | 38.82 | 38.82 | 36.24 | 37.89 | 37.89 | -2.57% | 223,104 |
| Apr 9, 2026 | 36.75 | 40.04 | 36.73 | 38.89 | 38.89 | 5.25% | 352,487 |
| Apr 8, 2026 | 38.36 | 38.37 | 36.18 | 36.95 | 36.95 | 0.52% | 274,361 |
| Apr 7, 2026 | 37.15 | 38.61 | 35.39 | 36.76 | 36.76 | -1.66% | 373,547 |
| Apr 6, 2026 | 40.09 | 40.43 | 37.28 | 37.38 | 37.38 | -7.68% | 191,854 |
| Apr 2, 2026 | 40.79 | 42.62 | 40.19 | 40.49 | 40.49 | -1.96% | 527,754 |
| Apr 1, 2026 | 40.16 | 42.30 | 40.00 | 41.30 | 41.30 | 3.02% | 516,347 |
| Mar 31, 2026 | 37.49 | 41.61 | 37.49 | 40.09 | 40.09 | 9.36% | 569,944 |
| Mar 30, 2026 | 36.18 | 37.76 | 35.36 | 36.66 | 36.66 | 1.38% | 344,231 |
| Mar 27, 2026 | 37.04 | 38.22 | 36.01 | 36.16 | 36.16 | -4.74% | 497,922 |
| Mar 26, 2026 | 37.43 | 38.71 | 35.93 | 37.96 | 37.96 | 2.37% | 273,830 |
| Mar 25, 2026 | 34.95 | 38.20 | 34.95 | 37.08 | 37.08 | 6.67% | 285,593 |
| Mar 24, 2026 | 35.81 | 36.18 | 33.65 | 34.76 | 34.76 | -4.58% | 259,578 |
| Mar 23, 2026 | 36.99 | 38.29 | 35.64 | 36.43 | 36.43 | 0.11% | 346,679 |
| Mar 20, 2026 | 35.45 | 37.41 | 34.81 | 36.39 | 36.39 | 2.54% | 339,158 |
| Mar 19, 2026 | 34.16 | 36.17 | 33.20 | 35.49 | 35.49 | 3.17% | 218,953 |