stockNASDAQ: SION • 12 Months Updates

Sionna Therapeutics Inc. (SION) 12 Months

Showing Closing Date Range from Oct 19, 2025 to Oct 19, 2026.

Price & Performance Trajectory

Sionna Therapeutics Inc.NASDAQ: SION

Latest Close
$4.01
-87.55%
12 Months Updates Trajectory
Showing Closing Date Range from Oct 19, 2025 to Oct 19, 2026.
Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesSION session performance
✓ Latest Close USD
$4.01
Latest session close
$-28.19vs period start
Period Return % % GAIN
-87.55%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$54.97 / $3.78
Period range envelope
$51.19channel spread
Total Volume SHARES
207.96M
Period turnover
Avg: 835.2K/dLiquidity

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(249 dates)
DateClose (USD)Return %HighLowVolume
Oct 19, 2026$4.01+3.08% $4.11$3.851.17M
Oct 16, 2026$3.89-4.66% $4.06$3.781.48M
Oct 15, 2026$4.08-0.24% $4.29$4.02944.5K
Oct 14, 2026$4.09-6.62% $4.40$3.931.50M
Oct 13, 2026$4.38-6.61% $4.80$4.37790.1K
Oct 12, 2026$4.69-4.29% $4.93$4.68690.5K
Oct 09, 2026$4.90+0.00% $5.12$4.83632.3K
Oct 08, 2026$4.90+1.66% $4.97$4.65915.2K
Oct 07, 2026$4.82+1.47% $4.86$4.61879.9K
Oct 06, 2026$4.75-2.06% $4.88$4.521.26M
Oct 05, 2026$4.85-1.22% $4.95$4.631.10M
Oct 02, 2026$4.91-3.73% $5.19$4.861.16M
Oct 01, 2026$5.10-3.04% $5.33$5.031.06M
Sep 30, 2026$5.26+2.14% $5.34$5.021.16M
Sep 29, 2026$5.15+0.59% $5.19$5.03797.5K
Page 1 of 17