Sionna Therapeutics Inc. (SION)
Showing Closing Date Range from Apr 24 to Oct 21, 2026 compared to Oct 25, 2025 to Apr 23, 2026.
Compare Last 6 Months with Previous Period
Investor Relations:sionnatx.com
Current Period Close
$3.87
Apr 24, 2026 - Oct 21, 2026
Previous Period Close
$38.35
Oct 25, 2025 - Apr 23, 2026
Net Comparison Delta
$-34.48 (-89.91%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(123 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 21, 2026 | $3.87 | Apr 23, 2026 | $38.35 | -89.91% |
| Oct 20, 2026 | $4.15 | Apr 22, 2026 | $43.20 | -90.39% |
| Oct 19, 2026 | $4.01 | Apr 21, 2026 | $41.79 | -90.40% |
| Oct 16, 2026 | $3.89 | Apr 20, 2026 | $42.64 | -90.88% |
| Oct 15, 2026 | $4.08 | Apr 17, 2026 | $43.54 | -90.63% |
| Oct 14, 2026 | $4.09 | Apr 16, 2026 | $45.24 | -90.96% |
| Oct 13, 2026 | $4.38 | Apr 15, 2026 | $45.09 | -90.29% |
| Oct 12, 2026 | $4.69 | Apr 14, 2026 | $43.30 | -89.17% |
| Oct 09, 2026 | $4.90 | Apr 13, 2026 | $41.77 | -88.27% |
| Oct 08, 2026 | $4.90 | Apr 10, 2026 | $37.89 | -87.07% |
| Oct 07, 2026 | $4.82 | Apr 09, 2026 | $38.89 | -87.61% |
| Oct 06, 2026 | $4.75 | Apr 08, 2026 | $36.95 | -87.14% |
| Oct 05, 2026 | $4.85 | Apr 07, 2026 | $36.76 | -86.81% |
| Oct 02, 2026 | $4.91 | Apr 06, 2026 | $37.38 | -86.86% |
| Oct 01, 2026 | $5.10 | Apr 02, 2026 | $40.49 | -87.40% |
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