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News & sentiment

SIONNA THERAPEUTICS (SION) — News & AI sentiment

SIONNA THERAPEUTICS (SION) news roundup. 10 stories in the past week, 15 over 30 days. Average 30-day sentiment is 44.7/100. Recent insider activity (SEC Form 4, 90-day window): 0 purchases totalling $0 and 5 sales totalling $18.7M — net selling of $18.7M. No congressional trade disclosures in the last 90 days. Data shown on this page is delayed 4 hours. Real-time access — including the live wire, real-time alerts, the live S&P 500 heatmap, and the AI Top Trades long/short board — is available with a Top Tier Newswire Pro subscription.

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24h stories

0

7d stories

10

avg sentiment 50/100

30d stories

15

avg sentiment 44.7/100

Insider net (90d)

$18.7M

0 buys · 5 sells

Congress (90d)

0

0 buys · 0 sells

SION news in the last 24 hours, 7 days, 30 days and 90 days

How much SION coverage the wire captured in each window, with the average AI sentiment across those stories. Counts are of stories that have cleared the 4-hour public delay.

Time window	SION stories	Avg AI sentiment	Read
Last 24 hours	0	—	no coverage
Last 7 days	10	50/100	SION headlines →
Last 30 days	15	44.7/100	SION headlines →
Last 90 days	72	39.7/100	SION headlines →

Latest stories on SION

Sionna Therapeutics price target raised to $6 from $5 at Wedbush

The Fly61 · neutralanalyst

5d ago

Stifel maintains Hold on Sionna Therapeutics stock at $7 target

Investing.com Analyst Ratings50 · neutralanalyst

5d ago

Sionna Therapeutics, Inc. (SION) Discusses Post-Hoc Analysis of PreciSION CF Trial and Advancement of Dual Combination Program Transcript

Seeking Alpha63 · neutralproduct/pr

5d ago

Citizens reiterates Market Perform on Sionna Therapeutics stock

Investing.com Analyst Ratings50 · neutralanalyst

5d ago

Why is Sionna Therapeutics stock sliding today?

Investing.com Markets34 · bearishgeneral

5d ago

Sionna stock falls after staff cuts, pivot to new CF drug

Investing.com Markets34 · bearishgeneral

5d ago

Sionna Therapeutics to reduce workforce by 46%

The Fly28 · bearishgeneral

5d ago

Sionna Therapeutics to advance SION-451 + SION-2222 into AscenSION CF POC trial

The Fly63 · neutralproduct/pr

5d ago

Sionna Therapeutics, Inc. (SION) files 8-K

SEC 8-K50 · neutralgeneral

5d ago

Sionna Therapeutics Announces Plans to Advance SION-451 + SION-2222 Dual Combination into Phase 2a Proof-of-Concept Trial

GlobeNewswire67 · bullishproduct/pr

5d ago

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

GlobeNewswire34 · bearishgeneral

Sep 2

Securities Fraud Investigation Into Sionna Therapeutics, Inc. (SION) Continues – Shareholders Who Lost Money Urged To Contact Glancy Prongay Wolke & Rotter LLP, a Leading Securities Fraud Law Firm

GlobeNewswire34 · bearishgeneral

Aug 26

Robbins LLP Reminds Investors it is Investigating Sionna Therapeutics for Potential Securities Violations

GlobeNewswire34 · bearishgeneral

Aug 25

Securities Fraud Investigation Into Sionna Therapeutics, Inc. (SION) Continues – Shareholders Who Lost Money Urged To Contact The Law Offices of Frank R. Cruz

GlobeNewswire34 · bearishgeneral

Aug 25

Sionna Therapeutics, Inc. (SION) Shareholders Who Lost Money – Contact Law Offices of Howard G. Smith About Securities Fraud Investigation

GlobeNewswire34 · bearishgeneral

Aug 25

SION INVESTIGATION ALERT: Investigation Launched into Sionna Therapeutics, Inc., RGRD Law Attorneys Encourage Investors and Potential Witnesses to Contact Law Firm

Business Insider50 · neutralgeneral

Aug 20

Sionna Therapeutics (SION) Securities Investigation Notice - Levi & Korsinsky

PR Newswire22 · bearishgeneral

Aug 19

SION Investors Have Opportunity to Join Sionna Therapeutics, Inc. Fraud Investigation with SBS Law

Barchart50 · neutralgeneral

Aug 16

SION SHAREHOLDER INVESTIGATION: SueWallSt Notifies Investors of Potential Securities Claims Involving Sionna Therapeutics

PR Newswire34 · bearishgeneral

Aug 13

SION ALERT: Investigation Launched into Sionna Therapeutics, Inc., RGRD Law Attorneys Encourage Investors and Potential Witnesses to Contact Law Firm

PR Newswire34 · bearishgeneral

Aug 13

Sionna Therapeutics Investigation Notice: Levi & Korsinsky Notifies Investors of Pending Investigation Into Sionna Therapeutics (SION)

PR Newswire19 · bearishgeneral

Aug 12

Sionna Therapeutics Faces Scrutiny After Phase 2a Trial Miss—Shareholder Investigation Launched August 12, 2026

MarketChameleon28 · bearishgeneral

Aug 12

Sionna's SION-719 Failure Changes Everything (Rating Downgrade)

Seeking Alpha28 · bearishproduct/pr

Aug 12

One Company’s Clinical Miss Is Another’s Moat: Vertex Rallies as Sionna’s CF Bet Collapses

Yahoo Top32 · bearishproduct/pr

Aug 12

Sionna Therapeutics Rises 15 9

The Fly58 · neutralgeneral

Aug 11

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