SION today
$3.43-$0.27 (-7.30%)close Nov 12, 2026Trend
DailyDowntrend (confirmed)
4 hourStrong Bearish
1 hourStrong Bearish
15 minSymmetric Triangle
5 minStrong Bearish
Daily trend turns up above $4.16
Key levels
Resistance$4.31
Resistance$3.85
Support$3.19
Latest news & SEC filings
EarningsSionna Therapeutics Posts Q3 2026 Results, Business Update
EarningsSionna Therapeutics posts quarterly loss of $0.72 per share
SEC FilingSionna Therapeutics, Inc. filed a report on a major company event (Form 8-K)
All SION news →About Sionna Therapeutics
Sionna Therapeutics is a drug developer focused on cystic fibrosis, a genetic disease affecting the lungs and other organs. The company creates small molecules intended to stabilize a part of the CFTR protein called NBD1, aiming to restore its function. Its main candidates include SION-719 and SION-451, along with other compounds that target different regions of CFTR. These are being studied in human trials, both alongside approved CF medicines and in company-developed combinations, for people who carry the F508del mutation.
Based on the company's 10-K filed Mar 2, 2026.
Nasdaq · Healthcare
Sionna Therapeutics, Inc. (SION)
What Is the Price Target for SION?
SEPT Low Target
$6.00
SEPT Mid Target
$6.00
SEPT High Target
$6.00
Analyst Consensus
$6.00
Is SION a Buy or Sell Right Now?
Thesis
AI-Powered Trading Signals
Trained on trillions of real market data to read price action and give you a simple, emotionless trading strategy for SION.
Start Free Trial →Is SION Overvalued or Undervalued?
Valuation Verdict
UNDERVALUED
Methods Used
P/B, Analyst Consensus
Fair Value
$8.31
12
Moat Score
NONE
4/9
Piotroski Score
3.0
Altman Z-Score
What Is Smart Money Doing with SION?
Insider Signal
SELLING
0 buys / 14 sells (90d)
Congress Signal
NEUTRAL
0 buys / 0 sells (90d)
Institutional
N/A
Short Squeeze Risk
MEDIUM
Signal: NEUTRAL
Recent Insider Activity
| Name | Title | Type | Shares | Value | Date |
|---|---|---|---|---|---|
| Ridloff Elena | officer | Buy | 47,269 | - | Sep 17, 2026 |
| Ridloff Elena | officer | Buy | 47,268 | - | Sep 17, 2026 |
| Cloonan Michael | director officer | Buy | 109,025 | - | Sep 17, 2026 |
| Fitzpatrick Jennifer | officer | Buy | 28,133 | - | Sep 17, 2026 |
| Fitzpatrick Jennifer | officer | Buy | 28,132 | - | Sep 17, 2026 |
| McKee Charlotte | officer | Buy | 50,000 | - | Sep 17, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | director 10% owner | Sale | 3,415,011 | $21.6M | Sep 17, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | director 10% owner | Sale | 33,800 | $252K | Sep 17, 2026 |
| Thompson Peter A. | director | Sale | 101 | $4K | May 27, 2026 |
| ORBIMED ADVISORS LLC | director | Sale | 101 | $4K | May 27, 2026 |
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Insider trades, congress trades, institutional flows, and short interest — updated daily with real-time alerts.
See All Smart Money Signals →SION Growth Story
Revenue YoY
N/A%
3yr Revenue CAGR
N/A%
EPS Growth YoY
88.24%
FCF Growth YoY
-26.2%
Revenue Trend
UNKNOWN
Dark Pool Trades for SION
PREVIEWSEPT Investing tracks real-time dark pool institutional trades for SION, including block trade sizes, dollar values, and buy/sell side classification. Dark pool trades reveal where institutional investors are positioning before moves become visible on public exchanges.
| Time | Price | Size | Value | Side |
|---|---|---|---|---|
| 21:26:17 | $3.43 | 3,182 | $$11K | SELL |
| 21:01:26 | $3.43 | 2,006 | $$7K | SELL |
| 21:00:25 | $3.43 | 3,806 | $$13K | SELL |
| 21:00:25 | $3.43 | 3,588 | $$12K | SELL |
| 20:58:37 | $3.42 | 1,500 | $$5K | BUY |
5 dark pool trades shown · $$48K preview volume
Real-time institutional flow, block trades, and net positioning
Full AI Research Report
SEPT's Trading AI has generated a free, downloadable PDF research report for Sionna Therapeutics, Inc. (SION) covering valuation analysis, financial health assessment, growth projections, smart money tracking, earnings and key price levels. For research only, not investment advice.
Report includes: PDF download, detailed valuation models (DCF, P/E, EV/EBITDA), institutional flow analysis, congress and insider trade tracking, FinBERT news sentiment (1 articles analyzed), and SEC filing intelligence...
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Trained on trillions of real market data to read price action and give you a simple, emotionless trading strategy. SEPT tells you when to buy, when to sell, and grades every stock so you never trade blind.
Try SEPT Free for 7 Days →SION — frequently asked questions
What is SION stock price today?
Sionna Therapeutics, Inc. (SION) is at $3.43, down 7.30% (-$0.27) at the Nov 12, 2026 close.
Why is SION stock moving today?
Latest SION news — Nov 11, 2026: Sionna Therapeutics Posts Q3 2026 Results, Business Update · Nov 10, 2026: Sionna Therapeutics posts quarterly loss of $0.72 per share
What is the SION price target?
The average analyst price target for SION is $6.00, ranging from $6 to $6, based on 1 analysts. Latest: Wedbush maintains on Sep 15, 2026.
What do analysts rate SION?
Analyst ratings for SION: 0 Buy, 7 Hold, 2 Sell — consensus Hold.
Did SION beat earnings?
SION last reported on Aug 6, 2026: EPS -$0.66 vs -$0.65 expected — a miss of 1.5%.
Does SION pay a dividend?
SION does not currently pay a dividend.
What are SION support and resistance levels?
Support: $3.19. Resistance: $3.85, $4.31, $5.12.
What are insiders doing with SION?
Insider activity: SELLING, 0 buys and 14 sells in the last 90 days.
What is the latest news on SION?
Nov 11, 2026: Sionna Therapeutics Posts Q3 2026 Results, Business Update · Nov 10, 2026: Sionna Therapeutics posts quarterly loss of $0.72 per share · Nov 10, 2026: Sionna Therapeutics, Inc. filed a report on a major company event (Form 8-K)