Sionna Therapeutics, Inc. (SION)
NASDAQ: SION · Real-Time Price · USD
26.33
-2.18 (-7.63%)
Oct 9, 2025, 11:31 AM EDT - Market open
Sionna Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 9, 2025 | 28.39 | 28.39 | 24.65 | 26.84 | - | -5.82% | 183,414 |
| Oct 8, 2025 | 28.24 | 28.72 | 27.54 | 28.50 | 28.50 | -0.38% | 431,854 |
| Oct 7, 2025 | 29.15 | 29.44 | 28.00 | 28.61 | 28.61 | -2.19% | 153,162 |
| Oct 6, 2025 | 29.95 | 30.14 | 29.06 | 29.25 | 29.25 | -2.53% | 254,491 |
| Oct 3, 2025 | 29.60 | 30.13 | 29.25 | 30.01 | 30.01 | 2.42% | 212,035 |
| Oct 2, 2025 | 27.61 | 29.34 | 26.76 | 29.30 | 29.30 | 2.92% | 165,301 |
| Oct 1, 2025 | 28.94 | 30.26 | 27.79 | 28.47 | 28.47 | -3.20% | 204,489 |
| Sep 30, 2025 | 29.41 | 30.61 | 27.49 | 29.41 | 29.41 | -0.37% | 225,074 |
| Sep 29, 2025 | 28.94 | 30.42 | 28.79 | 29.52 | 29.52 | 2.00% | 532,454 |
| Sep 26, 2025 | 27.52 | 29.02 | 25.66 | 28.94 | 28.94 | 5.24% | 214,466 |
| Sep 25, 2025 | 26.78 | 28.03 | 26.49 | 27.50 | 27.50 | 1.55% | 183,029 |
| Sep 24, 2025 | 26.80 | 27.49 | 25.75 | 27.08 | 27.08 | 1.31% | 564,535 |
| Sep 23, 2025 | 26.08 | 27.39 | 25.34 | 26.73 | 26.73 | 3.24% | 356,672 |
| Sep 22, 2025 | 23.14 | 26.20 | 22.79 | 25.89 | 25.89 | 11.88% | 304,287 |
| Sep 19, 2025 | 23.24 | 23.98 | 22.29 | 23.14 | 23.14 | -0.39% | 492,983 |
| Sep 18, 2025 | 22.46 | 23.69 | 22.46 | 23.23 | 23.23 | 4.55% | 362,056 |
| Sep 17, 2025 | 24.10 | 24.77 | 22.00 | 22.22 | 22.22 | -4.51% | 261,275 |
| Sep 16, 2025 | 22.14 | 23.79 | 21.74 | 23.27 | 23.27 | 4.30% | 169,047 |
| Sep 15, 2025 | 22.85 | 23.23 | 21.76 | 22.31 | 22.31 | -2.28% | 102,572 |
| Sep 12, 2025 | 23.79 | 24.31 | 22.56 | 22.83 | 22.83 | -4.06% | 180,272 |
| Sep 11, 2025 | 23.45 | 24.47 | 23.31 | 23.80 | 23.80 | 1.38% | 131,408 |
| Sep 10, 2025 | 24.46 | 26.47 | 23.05 | 23.47 | 23.47 | -4.20% | 359,961 |
| Sep 9, 2025 | 21.48 | 26.09 | 20.60 | 24.50 | 24.50 | 13.32% | 442,847 |
| Sep 8, 2025 | 24.99 | 24.99 | 21.53 | 21.62 | 21.62 | -9.92% | 499,256 |
| Sep 5, 2025 | 22.91 | 24.29 | 22.35 | 24.00 | 24.00 | 4.08% | 323,084 |
| Sep 4, 2025 | 24.93 | 25.00 | 21.70 | 23.06 | 23.06 | -6.07% | 249,267 |
| Sep 3, 2025 | 25.33 | 26.48 | 24.30 | 24.55 | 24.55 | -3.31% | 549,492 |
| Sep 2, 2025 | 24.48 | 25.46 | 23.16 | 25.39 | 25.39 | 3.13% | 178,685 |
| Aug 29, 2025 | 25.34 | 25.72 | 24.31 | 24.62 | 24.62 | -4.28% | 103,269 |
| Aug 28, 2025 | 25.14 | 26.50 | 25.07 | 25.72 | 25.72 | 2.35% | 171,112 |
| Aug 27, 2025 | 25.32 | 25.88 | 24.48 | 25.13 | 25.13 | -0.36% | 174,633 |
| Aug 26, 2025 | 24.03 | 25.49 | 24.03 | 25.22 | 25.22 | 4.82% | 158,961 |
| Aug 25, 2025 | 24.30 | 24.73 | 23.67 | 24.06 | 24.06 | -1.35% | 135,453 |
| Aug 22, 2025 | 23.86 | 25.00 | 23.35 | 24.39 | 24.39 | 2.74% | 184,724 |
| Aug 21, 2025 | 22.77 | 23.78 | 20.95 | 23.74 | 23.74 | 4.26% | 152,369 |
| Aug 20, 2025 | 21.57 | 24.07 | 21.13 | 22.77 | 22.77 | 6.01% | 430,065 |
| Aug 19, 2025 | 21.46 | 21.61 | 20.66 | 21.48 | 21.48 | 0.42% | 152,686 |
| Aug 18, 2025 | 20.94 | 21.99 | 20.50 | 21.39 | 21.39 | 2.74% | 334,525 |
| Aug 15, 2025 | 21.18 | 21.19 | 20.26 | 20.82 | 20.82 | -0.43% | 260,156 |
| Aug 14, 2025 | 20.39 | 21.22 | 20.39 | 20.91 | 20.91 | - | 172,270 |
| Aug 13, 2025 | 20.90 | 21.29 | 20.50 | 20.91 | 20.91 | -0.38% | 175,393 |
| Aug 12, 2025 | 19.89 | 21.70 | 19.89 | 20.99 | 20.99 | 4.79% | 421,022 |
| Aug 11, 2025 | 18.61 | 20.07 | 17.12 | 20.03 | 20.03 | 13.36% | 165,489 |
| Aug 8, 2025 | 17.63 | 17.78 | 17.09 | 17.67 | 17.67 | 2.26% | 165,142 |
| Aug 7, 2025 | 17.27 | 17.78 | 16.87 | 17.28 | 17.28 | 1.77% | 122,771 |
| Aug 6, 2025 | 17.26 | 18.15 | 16.48 | 16.98 | 16.98 | -3.14% | 152,725 |
| Aug 5, 2025 | 17.54 | 18.22 | 16.82 | 17.53 | 17.53 | 2.39% | 107,682 |
| Aug 4, 2025 | 17.02 | 17.28 | 16.50 | 17.12 | 17.12 | 1.18% | 79,593 |
| Aug 1, 2025 | 16.44 | 17.23 | 16.38 | 16.92 | 16.92 | 0.95% | 122,670 |
| Jul 31, 2025 | 17.60 | 18.65 | 16.50 | 16.76 | 16.76 | -5.58% | 89,903 |