sharethestock
/

Sionna Therapeutics, Inc. Common Stock (SION)

XNAS: SION · USD
$4.69at end of selection
−84.00%

−$24.62 per share

Oct 13, 2025 – Oct 12, 2026

Edit dates
→

Intraday times are shown in Eastern Time.

15-min delayed · Oct 12, 2026Drag to select ↔

Sionna Therapeutics, Inc. Common Stock (SION) price history

Sionna Therapeutics, Inc. Common Stock trades under SION on XNAS. Over Oct 13, 2025 – Oct 12, 2026, the available closing prices moved from $29.31 to $4.69, a change of −84.00%.

Prices through . 15-min delayed. Split-adjusted price change in USD; dividends are not included. These are historical observations, not a live quote.

Select dates in the chart to measure a price change, compare other assets, or calculate a hypothetical position’s gain or loss.

Browse all stock and ETF charts →