$SION
Sionna Therapeutics, Inc. Common Stock
XNAS•Health Care•Pharmaceutical Preparations
$4.83
▼-1.43%-$0.070
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Plans & pricingDonateSionna Therapeutics, Inc. Common Stock
XNAS•Health Care•Pharmaceutical Preparations
Why is SION down today? It is at $4.83 (-1.43%), and our scanner flagged it 80 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment SION spikes, and full due diligence on SION — key stats, earnings, dilution and insider activity. Free.
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SION is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 4 unusual-volume and momentum alerts on SION today, peaking at 5.4x its normal volume.
Likely catalystSionna Therapeutics Announces Plans to Advance SION-451 +Reported 46% workforce reduction and other cost-saving measures prioritize advancing the dual combinationReported treatment periods, with mean exposures of all three components declining by approximately 25-30% on average while remaining relatively stable during placebo periods.Reported Following the completion of a comprehensive review of its operations, Sionna’s Board of Directors has approved a workforce reduction of approximately 46%, from an SEC filing. Read it →Latest filingSC 13D/AActivist 5%+ stake updatedSep 21, 2026 · 17 days agoSources: float & market cap via Polygon · short interest via FINRA · borrow & shortability via Alpaca · SSR from Reg SHO 201 · filings & dilution via SEC EDGAR · analysts via Nasdaq.
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Blend of news sentiment, today’s move, and community votes. Not investment advice.
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SION is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 4 unusual-volume and momentum alerts on SION today, peaking at 5.4x its normal volume.
SION last traded at $4.83, down 1.43% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Sionna Therapeutics, Inc. Common Stock (SION) is next expected to report earnings on Wednesday, November 4, 2026, about 26 days away. Earnings reports often cause large overnight gaps, so many traders manage risk around the date. The date can shift until the company officially confirms it.
The SION Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged SION 80 times in the last 30 days.
SION (Sionna Therapeutics, Inc. Common Stock) trades on XNAS, with a market cap of about $222M in the PHARMACEUTICAL PREPARATIONS sector.
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge SION for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.
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