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

DateOpenHighLowCloseAdj. CloseChangeVolume
May 29, 202642.9643.7742.1542.8242.820.05%645,334
May 28, 202643.4344.6142.3942.8042.80-1.45%416,031
May 27, 202643.4644.4942.9543.4343.431.28%189,444
May 26, 202641.6843.1640.5342.8842.884.25%188,815
May 22, 202641.8143.4240.8141.1341.13-1.49%182,571
May 21, 202639.1941.8038.6541.7541.755.70%236,936
May 20, 202638.3939.7136.9039.5039.504.83%392,330
May 19, 202638.9739.1937.4837.6837.68-3.98%313,523
May 18, 202641.4641.4638.1639.2439.24-2.44%341,615
May 15, 202641.8742.5540.0740.2240.22-5.96%273,179
May 14, 202642.7044.2241.5042.7742.77-0.81%342,367
May 13, 202640.7843.5440.2443.1243.125.32%529,640
May 12, 202645.0746.0740.7540.9440.94-10.90%525,215
May 11, 202644.6848.4544.5145.9545.953.89%670,726
May 8, 202643.9345.1043.3644.2344.232.12%405,348
May 7, 202643.3545.8042.3343.3143.310.05%777,866
May 6, 202641.1543.8640.4343.2943.295.66%311,287
May 5, 202641.5343.7340.4240.9740.971.29%321,340
May 4, 202638.6441.4538.6440.4540.453.32%341,466
May 1, 202638.5740.3038.0739.1539.151.16%212,701
Apr 30, 202637.8238.9237.6738.7038.703.39%241,674
Apr 29, 202639.0140.3036.5037.4337.43-5.46%317,657
Apr 28, 202639.6841.1538.5839.5939.590.97%404,721
Apr 27, 202638.0242.2137.9739.2139.212.89%623,684
Apr 24, 202638.3538.6135.1038.1138.11-0.63%518,006
Apr 23, 202643.0844.1237.8038.3538.35-11.23%449,480
Apr 22, 202641.8143.6341.7243.2043.203.37%363,494
Apr 21, 202643.0143.4141.3441.7941.79-1.99%366,752
Apr 20, 202643.5444.7141.9842.6442.64-2.07%447,998
Apr 17, 202646.1346.4643.3143.5443.54-3.76%508,774
Apr 16, 202644.4146.0642.8645.2445.240.33%817,608
Apr 15, 202644.2346.1042.6245.0945.094.13%768,535
Apr 14, 202641.8644.7141.1243.3043.303.66%900,098
Apr 13, 202637.9541.8436.9141.7741.7710.24%382,801
Apr 10, 202638.8238.8236.2437.8937.89-2.57%223,104
Apr 9, 202636.7540.0436.7338.8938.895.25%352,487
Apr 8, 202638.3638.3736.1836.9536.950.52%274,361
Apr 7, 202637.1538.6135.3936.7636.76-1.66%373,547
Apr 6, 202640.0940.4337.2837.3837.38-7.68%191,854
Apr 2, 202640.7942.6240.1940.4940.49-1.96%527,754
Apr 1, 202640.1642.3040.0041.3041.303.02%516,347
Mar 31, 202637.4941.6137.4940.0940.099.36%569,944
Mar 30, 202636.1837.7635.3636.6636.661.38%344,231
Mar 27, 202637.0438.2236.0136.1636.16-4.74%497,922
Mar 26, 202637.4338.7135.9337.9637.962.37%273,830
Mar 25, 202634.9538.2034.9537.0837.086.67%285,593
Mar 24, 202635.8136.1833.6534.7634.76-4.58%259,578
Mar 23, 202636.9938.2935.6436.4336.430.11%346,679
Mar 20, 202635.4537.4134.8136.3936.392.54%339,158
Mar 19, 202634.1636.1733.2035.4935.493.17%218,953