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SION
Sionna Therapeutics, Inc. Common Stock
stock NASDAQ

Market Open

Aug 10, 2026 1:20:38 PM EDT

4.13USD-91.908%(-46.90)26,941,072

4.13Bid 4.14Ask 0.01Spread

Pre-market

Aug 10, 2026 9:29:30 AM EDT

4.85USD-90.497%(-46.18)2,397,213

After-hours

Aug 7, 2026 4:00:30 PM EDT

51.04USD+0.010%(+0.01)0

OverviewOptionsHistoricalExchangesShortsTrends

open chart

Market Cap

185.82M

SION Stats

Avg. Vol. 10 Day

554,511

Avg. Vol. 30 Day

594,835

Market Cap

185,822,960

Shares Out.

45,212,399

On/Off Exchange

45%/55%

6 Month Beta

1.35

1 Year Beta

0.97

2 Year Beta

0.94

52 Week Low

17.12

52 Week High

54.97

SMA50

42.43

SMA200

40.27

1 Week

-91.66%

1 Month

-90.93%

3 Month

-91.06%

6 Month

-89.19%

1 Year

-79.48%

2 Year

-83.56%

SION Stock Summary

Sionna Therapeutics, Inc. Common Stock (NASDAQ:SION) stock price today is $4.13, and today's volume is 26,941,072. SION is down -91.908% today. The 30 day average volume is 594,835. SION market cap is 185.82M with 45,212,399 shares outstanding.

.dark-mode .kFFR1q{ color: white; background-color: #333333; border: 2px solid white; }.light-mode .kFFR1q{ color: #333333; background-color: white; border: 2px solid #333333; }SIONSionna Therapeutics, Inc. Common Stockstock NASDAQ

SION Stock Summary

SION
Sionna Therapeutics, Inc. Common Stock
stock NASDAQ