$SION
Sionna Therapeutics, Inc. Common Stock
XNAS•Health Care•Pharmaceutical Preparations
$6.04
▼-15.88%-$1.14
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Plans & pricingDonateSionna Therapeutics, Inc. Common Stock
XNAS•Health Care•Pharmaceutical Preparations
Why is SION down today? It is at $6.04 (-15.88%), and our scanner flagged it 86 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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Here is the latest on SION from our scanner (live price and day move above). A move this size is almost always tied to a specific catalyst. Most of the time that is an earnings report, a guidance update, or a company announcement. If none is shown above, the release may not be in our news feed yet. It will show up here as soon as it is.
Latest filing4Insider trade (Form 4)Sep 18, 2026 · yesterday| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Cloonan Michael Officer | Acquired (grant/award) | +218K 0.5% of company | added 40% | 765K | n/a | Sep 17, 26 |
Fitzpatrick Jennifer Officer | Acquired (grant/award) | +56K 0.1% of company | n/a | 56K | n/a | Sep 17, 26 |
Mckee Charlotte Officer | Acquired (grant/award) | +100K 0.2% of company | added 100% | 128K | n/a | Sep 17, 26 |
Ridloff Elena Officer | Acquired (grant/award) | +95K 0.2% of company | added 100% | 133K | n/a | Sep 17, 26 |
Orbimed Advisors Llc Director | Sold (automatic/other) | -86K 0.2% of company | sold 3.4% | 2.47M | $3.9M at $44.86 | Jul 7, 26 |
Thompson Peter A. Director | Sold (automatic/other) | -86K 0.2% of company | sold 3.4% | 2.47M | $3.9M at $44.86 | Jul 7, 26 |
Fitzpatrick Jennifer Officer | Sold (automatic/other) | -10K 0.02% of company | n/a | n/a | $447K at $43.60 | Jul 6, 26 |
Fitzpatrick Jennifer Officer | Other | 10K 0.02% of company | n/a | 10K | $63K at $6.11 | Jul 6, 26 |
Orbimed Advisors Llc Director | Sold (automatic/other) | -116K 0.3% of company | sold 4.3% | 2.56M | $5.3M at $45.50 | Jun 30, 26 |
Thompson Peter A. Director | Sold (automatic/other) | -116K 0.3% of company | sold 4.3% | 2.56M | $5.3M at $45.50 | Jun 30, 26 |
Orbimed Advisors Llc Director | Sold (automatic/other) | -101 | sold <0.1% | 2.67M | $4K at $44.49 | May 27, 26 |
Thompson Peter A. Director | Sold (automatic/other) | -101 | sold <0.1% | 2.67M | $4K at $44.49 | May 27, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Blend of news sentiment, today’s move, and community votes. Not investment advice.
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
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Here is the latest on SION from our scanner (live price and day move above). A move this size is almost always tied to a specific catalyst. Most of the time that is an earnings report, a guidance update, or a company announcement. If none is shown above, the release may not be in our news feed yet. It will show up here as soon as it is.
SION last traded at $6.04, down 15.88% 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 45 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 86 times in the last 30 days.
SION (Sionna Therapeutics, Inc. Common Stock) trades on XNAS, with a market cap of about $269M 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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