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Sionna Therapeutics, Inc. - Common Stock
(NQ:
SION
)
5.230
UNCHANGED
Streaming Delayed Price
Updated: 4:00 PM EDT, Sep 25, 2026
Add to My Watchlist
Quote
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Detailed Quote
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News
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Price and Volume
Detailed Quote
Volume
1,402,392
Open
5.280
Bid (Size)
5.070 (100)
Ask (Size)
5.230 (100)
Prev. Close
5.230
Today's Range
5.090 - 5.300
52wk Range
4.010 - 54.97
Shares Outstanding
N/A
Dividend Yield
N/A
Intraday
1 Week
1 Month
3 Month
1 Year
3 Year
5 Year
Top News
More News
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sionna Therapeutics, Inc. - SION
September 22, 2026
From
Pomerantz LLP
Via
GlobeNewswire
Is This Biotech Stock Too Cheap to Ignore After Its Latest Pullback?
↗
September 18, 2026
This company has had plenty of setbacks in recent years, but it generally bounces back.
Via
The Motley Fool
Performance
YTD
-86.7%
-86.7%
1 Month
-10.9%
-10.9%
3 Month
-87.8%
-87.8%
6 Month
-85.7%
-85.7%
1 Year
-82.3%
-82.3%
More News
Read More
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sionna Therapeutics, Inc. - SION
September 15, 2026
From
Pomerantz LLP
Via
GlobeNewswire
Sionna Therapeutics Announces Plans to Advance SION-451 + SION-2222 Dual Combination into Phase 2a Proof-of-Concept Trial
September 14, 2026
From
Sionna Therapeutics, Inc.
Via
GlobeNewswire
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sionna Therapeutics, Inc. - SION
September 08, 2026
From
Pomerantz LLP
Via
GlobeNewswire
Vertex vs. Regeneron: Which Biotech Giant Is the Better Buy Right Now?
↗
September 04, 2026
Via
The Motley Fool
Topics
Intellectual Property
SIONNA THERAPEUTICS INVESTIGATION ALERT: Bragar Eagel & Squire, P.C. is Investigating Sionna Therapeutics Inc on Behalf of Sionna Therapeutics Stockholders and Encourages Investors to Contact the Firm
September 02, 2026
From
Bragar Eagel & Squire
Via
GlobeNewswire
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sionna Therapeutics, Inc. - SION
September 01, 2026
From
Pomerantz LLP
Via
GlobeNewswire
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sionna Therapeutics, Inc. - SION
August 25, 2026
From
Pomerantz LLP
Via
GlobeNewswire
Vertex Pharmaceuticals' Rally Has a New Engine -- and Wall Street Thinks the Best Is Still Ahead
↗
August 20, 2026
Via
The Motley Fool
Investigation Launched into Sionna Therapeutics, Inc. (SION), Robbins Geller Rudman & Dowd LLP Attorneys Encourage Investors and Potential Witnesses to Contact Law Firm
August 19, 2026
From
Robbins Geller Rudman & Dowd LLP
Via
Business Wire
Securities Fraud Investigation Into Sionna Therapeutics, Inc. (SION) Announced – Shareholders Who Lost Money Urged To Contact Glancy Prongay Wolke & Rotter LLP, a Leading Securities Fraud Law Firm
August 18, 2026
From
Glancy Prongay Wolke & Rotter LLP
Via
Business Wire
Sionna Therapeutics, Inc. (SION) Shareholders Who Lost Money – Contact Law Offices of Howard G. Smith About Securities Fraud Investigation
August 18, 2026
From
Law Offices of Howard G. Smith
Via
Business Wire
Securities Fraud Investigation Into Sionna Therapeutics, Inc. (SION) Announced – Shareholders Who Lost Money Urged to Contact The Law Offices of Frank R. Cruz
August 17, 2026
From
The Law Offices of Frank R. Cruz
Via
Business Wire
Robbins LLP is Investigating the Recent Stock Drop of Sionna Therapeutics; Contact the Firm for Information
August 17, 2026
From
Robbins LLP
Via
Business Wire
SION Investors Have Opportunity to Join Sionna Therapeutics, Inc. Fraud Investigation with SBS Law
August 16, 2026
From
Schall, Brown & Schwartz LLP
Via
Business Wire
Vertex Pharmaceuticals Just Hit an All-Time High. Here's Why the Biotech Stock Could Soar Even More
↗
August 14, 2026
Via
The Motley Fool
SION Investor Alert: Levi & Korsinsky Notifies Investors of Investigation Into Sionna Therapeutics (SION)
August 14, 2026
From
Levi & Korsinsky, LLP
Via
Business Wire
These stocks have an unusual volume in today's session
↗
August 13, 2026
Via
Chartmill
12 Health Care Stocks Moving In Wednesday's Intraday Session
↗
August 12, 2026
Via
Benzinga
Sionna Halts SION-719 After Phase 2a Miss, Eyes SION-451 Combination Path
↗
August 11, 2026
Via
MarketBeat
Sionna Therapeutics Reports Topline Data from Two Development Programs in Cystic Fibrosis and Provides Corporate Update
August 10, 2026
From
Sionna Therapeutics, Inc.
Via
GlobeNewswire
Could 1 Tiny Biotech Topple Vertex Pharmaceuticals' Cystic Fibrosis Empire?
↗
August 07, 2026
Via
The Motley Fool
Sionna Therapeutics Reports Second Quarter 2026 Financial Results
August 06, 2026
From
Sionna Therapeutics, Inc.
Via
GlobeNewswire
Sionna Therapeutics to Participate in Upcoming June 2026 Investor Conferences
May 27, 2026
From
Sionna Therapeutics, Inc.
Via
GlobeNewswire
Frequently Asked Questions
Is Sionna Therapeutics, Inc. - Common Stock publicly traded?
Yes, Sionna Therapeutics, Inc. - Common Stock is publicly traded.
What exchange does Sionna Therapeutics, Inc. - Common Stock trade on?
Sionna Therapeutics, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Sionna Therapeutics, Inc. - Common Stock?
The ticker symbol for Sionna Therapeutics, Inc. - Common Stock is SION on the Nasdaq Stock Market
What is the current price of Sionna Therapeutics, Inc. - Common Stock?
The current price of Sionna Therapeutics, Inc. - Common Stock is 5.230
When was Sionna Therapeutics, Inc. - Common Stock last traded?
The last trade of Sionna Therapeutics, Inc. - Common Stock was at 09/25/26 04:00 PM ET
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