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Sionna Therapeutics, Inc. (SION)
NASDAQ: SION · Real-Time Price · USD
22.81
-0.99 (-4.16%)
At close: Sep 12, 2025, 4:00 PM EDT
22.83
+0.02 (0.09%)
After-hours: Sep 12, 2025, 5:42 PM EDT

Sionna Therapeutics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 12, 202523.7924.3122.5622.8322.83-4.06%171,439
Sep 11, 202523.4524.4723.3123.8023.801.38%131,408
Sep 10, 202524.4626.4723.0523.4723.47-4.20%359,961
Sep 9, 202521.4826.0920.6024.5024.5013.32%442,847
Sep 8, 202524.9924.9921.5321.6221.62-9.92%499,256
Sep 5, 202522.9124.2922.3524.0024.004.08%323,084
Sep 4, 202524.9325.0021.7023.0623.06-6.07%249,267
Sep 3, 202525.3326.4824.3024.5524.55-3.31%549,492
Sep 2, 202524.4825.4623.1625.3925.393.13%178,685
Aug 29, 202525.3425.7224.3124.6224.62-4.28%103,269
Aug 28, 202525.1426.5025.0725.7225.722.35%171,112
Aug 27, 202525.3225.8824.4825.1325.13-0.36%174,633
Aug 26, 202524.0325.4924.0325.2225.224.82%158,961
Aug 25, 202524.3024.7323.6724.0624.06-1.35%135,453
Aug 22, 202523.8625.0023.3524.3924.392.74%184,724
Aug 21, 202522.7723.7820.9523.7423.744.26%152,369
Aug 20, 202521.5724.0721.1322.7722.776.01%430,065
Aug 19, 202521.4621.6120.6621.4821.480.42%152,686
Aug 18, 202520.9421.9920.5021.3921.392.74%334,525
Aug 15, 202521.1821.1920.2620.8220.82-0.43%260,156
Aug 14, 202520.3921.2220.3920.9120.91-172,270
Aug 13, 202520.9021.2920.5020.9120.91-0.38%175,393
Aug 12, 202519.8921.7019.8920.9920.994.79%421,022
Aug 11, 202518.6120.0717.1220.0320.0313.36%165,489
Aug 8, 202517.6317.7817.0917.6717.672.26%165,142
Aug 7, 202517.2717.7816.8717.2817.281.77%122,771
Aug 6, 202517.2618.1516.4816.9816.98-3.14%152,725
Aug 5, 202517.5418.2216.8217.5317.532.39%107,682
Aug 4, 202517.0217.2816.5017.1217.121.18%79,593
Aug 1, 202516.4417.2316.3816.9216.920.95%122,670
Jul 31, 202517.6018.6516.5016.7616.76-5.58%89,903
Jul 30, 202518.5919.5817.6617.7517.75-3.16%163,142
Jul 29, 202520.4220.5518.1018.3318.33-7.66%42,859
Jul 28, 202518.8720.1518.5519.8519.853.93%140,482
Jul 25, 202519.5319.5318.2119.1019.10-0.21%70,231
Jul 24, 202519.0620.0617.2419.1419.14-3.19%93,245
Jul 23, 202519.4819.8218.3619.7719.773.94%155,872
Jul 22, 202517.5919.2417.5919.0219.029.06%116,981
Jul 21, 202516.4617.4516.4617.4417.444.18%102,397
Jul 18, 202518.6419.2016.5916.7416.74-8.67%395,731
Jul 17, 202518.1220.1918.0818.3318.33-0.87%170,319
Jul 16, 202518.9719.1418.0018.4918.49-0.22%273,278
Jul 15, 202519.6520.1618.4518.5318.53-7.07%98,371
Jul 14, 202520.3920.9919.5419.9419.94-2.40%122,631
Jul 11, 202520.8720.8720.1220.4320.43-2.44%51,638
Jul 10, 202519.9521.1419.9520.9420.940.05%81,041
Jul 9, 202521.8721.8720.7820.9320.93-2.97%169,229
Jul 8, 202521.0521.7220.8621.5721.572.91%148,734
Jul 7, 202520.8421.2620.2820.9620.96-1.09%201,764
Jul 3, 202520.7721.6919.9821.1921.191.53%122,736