Sionna Therapeutics, Inc. (SION)
NASDAQ: SION · Real-Time Price · USD
3.810
-0.060 (-1.55%)
Oct 28, 2026, 9:30 AM EDT - Market open
Sionna Therapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 28, 2026 | 3.81 | 3.81 | 3.81 | 3.81 | 3.81 | -1.55% | 8,576 |
| Oct 27, 2026 | 3.68 | 3.91 | 3.63 | 3.87 | 3.87 | 4.88% | 1,000,696 |
| Oct 26, 2026 | 3.58 | 3.74 | 3.57 | 3.69 | 3.69 | 2.50% | 614,224 |
| Oct 23, 2026 | 3.75 | 3.82 | 3.55 | 3.60 | 3.60 | -5.26% | 918,199 |
| Oct 22, 2026 | 3.87 | 3.97 | 3.64 | 3.80 | 3.80 | -1.81% | 1,592,314 |
| Oct 21, 2026 | 4.20 | 4.31 | 3.86 | 3.87 | 3.87 | -6.75% | 1,557,305 |
| Oct 20, 2026 | 4.06 | 4.30 | 4.02 | 4.15 | 4.15 | 3.49% | 1,069,772 |
| Oct 19, 2026 | 3.93 | 4.11 | 3.84 | 4.01 | 4.01 | 3.08% | 1,166,275 |
| Oct 16, 2026 | 4.06 | 4.06 | 3.78 | 3.89 | 3.89 | -4.66% | 1,487,643 |
| Oct 15, 2026 | 4.15 | 4.30 | 4.02 | 4.08 | 4.08 | -0.24% | 944,607 |
| Oct 14, 2026 | 4.30 | 4.40 | 3.93 | 4.09 | 4.09 | -6.62% | 1,498,300 |
| Oct 13, 2026 | 4.69 | 4.80 | 4.37 | 4.38 | 4.38 | -6.61% | 790,632 |
| Oct 12, 2026 | 4.89 | 4.93 | 4.68 | 4.69 | 4.69 | -4.29% | 692,612 |
| Oct 9, 2026 | 4.93 | 5.12 | 4.83 | 4.90 | 4.90 | - | 633,561 |
| Oct 8, 2026 | 4.78 | 4.97 | 4.65 | 4.90 | 4.90 | 1.66% | 915,602 |
| Oct 7, 2026 | 4.68 | 4.87 | 4.61 | 4.82 | 4.82 | 1.47% | 880,221 |
| Oct 6, 2026 | 4.88 | 4.88 | 4.52 | 4.75 | 4.75 | -2.06% | 1,261,138 |
| Oct 5, 2026 | 4.95 | 4.96 | 4.63 | 4.85 | 4.85 | -1.22% | 1,097,395 |
| Oct 2, 2026 | 5.19 | 5.19 | 4.86 | 4.91 | 4.91 | -3.73% | 1,160,195 |
| Oct 1, 2026 | 5.26 | 5.33 | 5.03 | 5.10 | 5.10 | -3.04% | 1,059,874 |
| Sep 30, 2026 | 5.19 | 5.34 | 5.02 | 5.26 | 5.26 | 2.14% | 1,157,751 |
| Sep 29, 2026 | 5.15 | 5.19 | 5.03 | 5.15 | 5.15 | 0.59% | 797,862 |
| Sep 28, 2026 | 5.17 | 5.25 | 5.05 | 5.12 | 5.12 | -2.10% | 775,817 |
| Sep 25, 2026 | 5.28 | 5.30 | 5.09 | 5.23 | 5.23 | - | 1,402,392 |
| Sep 24, 2026 | 5.50 | 5.59 | 5.15 | 5.23 | 5.23 | -5.08% | 1,252,783 |
| Sep 23, 2026 | 6.03 | 6.12 | 5.32 | 5.51 | 5.51 | -8.47% | 1,669,507 |
| Sep 22, 2026 | 5.99 | 6.17 | 5.84 | 6.02 | 6.02 | 0.33% | 1,693,924 |
| Sep 21, 2026 | 6.00 | 6.13 | 5.70 | 6.00 | 6.00 | 0.67% | 2,522,926 |
| Sep 18, 2026 | 7.12 | 7.19 | 5.90 | 5.96 | 5.96 | -16.99% | 3,704,779 |
| Sep 17, 2026 | 7.27 | 7.73 | 7.15 | 7.18 | 7.18 | 1.99% | 1,481,560 |
| Sep 16, 2026 | 6.95 | 7.37 | 6.91 | 7.04 | 7.04 | 2.33% | 1,971,092 |
| Sep 15, 2026 | 7.87 | 8.00 | 6.85 | 6.88 | 6.88 | -16.71% | 2,462,370 |
| Sep 14, 2026 | 7.84 | 8.54 | 7.84 | 8.26 | 8.26 | 5.22% | 1,218,419 |
| Sep 11, 2026 | 7.79 | 8.03 | 7.47 | 7.85 | 7.85 | 3.02% | 1,210,909 |
| Sep 10, 2026 | 7.40 | 7.75 | 7.12 | 7.62 | 7.62 | 1.87% | 1,222,717 |
| Sep 9, 2026 | 7.27 | 7.55 | 7.17 | 7.48 | 7.48 | 2.47% | 767,459 |
| Sep 8, 2026 | 7.13 | 7.56 | 6.89 | 7.30 | 7.30 | 1.67% | 884,751 |
| Sep 4, 2026 | 6.68 | 7.22 | 6.62 | 7.18 | 7.18 | 6.37% | 926,065 |
| Sep 3, 2026 | 7.31 | 7.56 | 6.70 | 6.75 | 6.75 | -7.66% | 1,243,913 |
| Sep 2, 2026 | 6.63 | 7.35 | 6.27 | 7.31 | 7.31 | 13.16% | 1,590,547 |
| Sep 1, 2026 | 5.95 | 6.48 | 5.93 | 6.46 | 6.46 | 7.13% | 1,411,953 |
| Aug 31, 2026 | 5.87 | 6.08 | 5.75 | 6.03 | 6.03 | 2.73% | 1,383,775 |
| Aug 28, 2026 | 5.97 | 6.06 | 5.82 | 5.87 | 5.87 | -3.14% | 784,785 |
| Aug 27, 2026 | 6.14 | 6.25 | 5.97 | 6.06 | 6.06 | -1.78% | 775,759 |
| Aug 26, 2026 | 6.20 | 6.29 | 6.02 | 6.17 | 6.17 | -1.28% | 926,262 |
| Aug 25, 2026 | 5.60 | 6.30 | 5.58 | 6.25 | 6.25 | 11.81% | 1,973,987 |
| Aug 24, 2026 | 5.29 | 5.61 | 5.21 | 5.59 | 5.59 | 5.67% | 1,775,133 |
| Aug 21, 2026 | 5.54 | 5.72 | 5.27 | 5.29 | 5.29 | -4.17% | 1,937,812 |
| Aug 20, 2026 | 6.27 | 6.27 | 5.51 | 5.52 | 5.52 | -11.68% | 1,749,471 |
| Aug 19, 2026 | 6.09 | 6.28 | 5.88 | 6.25 | 6.25 | 5.22% | 1,873,737 |