SION Sionna Therapeutics, Inc.
Company Analysis
Latest News
🔴 Sionna Therapeutics is trading 5% down today amid inflation-driven market pressure
Sionna Therapeutics is trading 5.02% down now at $4.16, likely weighed down by broader market pressure after September inflation exceeded forecasts. - Higher...
🔴 Sionna Therapeutics is trading 5% down amid biotech-sector weakness
Sionna Therapeutics is trading 5.12% down at $4.45, with biotech-sector weakness a possible contributor. - No new company-specific announcement explaining the...
🔴 Sionna Therapeutics is trading 5% down in pre-market
Sionna Therapeutics is trading 5.30% lower at $4.64 in pre-market, with no clear October 12 company-specific catalyst identified. - Its latest update, dated...
🟢 Sionna Therapeutics is trading 5% up in pre-market
Sionna Therapeutics is trading at $5.15, up 5.10%, with no company-specific announcement identified to explain the October 12 pre-market move. - Its latest...
🔴 Sionna Therapeutics is trading 5.8% down in pre-market
Sionna Therapeutics is trading at $4.54, down 5.81% in pre-market, with no fresh company-specific announcement or clear catalyst identified for the October 8...
🔴 Sionna Therapeutics is trading 5.6% down amid biotech ETF weakness
Sionna Therapeutics is trading 5.6% lower at $4.58 on October 6, 2026, with biotech-sector weakness potentially weighing on the shares. - Biotech ETF XBI is...
🔴 Sionna Therapeutics is trading 6.35% down today as rising Treasury yields pressure growth assets
Sionna Therapeutics is trading at $5.16, down 6.35%, amid a broader risk-off session and pressure on growth-oriented assets from rising Treasury yields near a...
🔴 Sionna Therapeutics is trading 10% down today as U.S. equities faced broader risk-off pressure
Sionna Therapeutics is trading 10% down at $5.41 as broader risk-off conditions pressured U.S. equities on September 23, 2026. - Biotech stocks were rising, so...
🔴 Sionna Therapeutics is trading 5% down today amid possible reassessment of disappointing cystic-fibrosis results
Sionna Therapeutics is trading 5% lower at $5.71 after opening-market weakness on September 23, 2026, amid broader risk-off pressure on equities. - The Nasdaq...
🟢 Sionna Therapeutics is trading 5.37% up in pre-market amid broader risk-on sentiment
Sionna Therapeutics is trading at $6.28, up +5.37% in pre-market on September 21, 2026, apparently alongside broader risk-on sentiment rather than a newly...
🔴 Sionna Therapeutics is trading 10.3% down today; no clear company-specific catalyst identified
Sionna Therapeutics is trading 10.3% down at $6.44, with no clear company-specific catalyst identified for September 18, 2026. - Recent pressure likely...
🔴 Sionna Therapeutics is trading 5.1% down today with no clear immediate catalyst identified
Sionna Therapeutics is trading 5.1% down at $6.82, with no fresh company-specific announcement identified for September 18, 2026; the immediate decline’s...
🟢 Sionna Therapeutics is trading 5.5% up in pre-market as XBI rises
Sionna Therapeutics is trading 5.53% up now at $7.58 in pre-market, with broader biotechnology strength the apparent driver. - No fresh company-specific...
🟢 Sionna Therapeutics is trading 6.39% up today as biotech stocks rally
Sionna Therapeutics is trading 6.39% up at $7.49, supported primarily by stronger risk appetite as major U.S. indexes rise and biotechnology stocks rally. -...
🟢 Sionna Therapeutics is trading 6.21% up in pre-market after rebounding from September 15 selloff
Sionna Therapeutics is trading 6.21% up now at $7.48 after rebounding from the September 15 selloff and September 16 close of $7.04. - No fresh bullish...
🟢 Sionna Therapeutics is trading 6.4% up today, likely technical rebound after prior session’s decline
Sionna Therapeutics is trading 6.4% up at $7.32, with the rebound appearing most consistent with technical trading after the prior session’s sharp decline. -...
Sionna Cuts Half Its Staff and Bets Everything on One Cystic Fibrosis Drug Combo — Can $268 Million Buy Enough Time?
Shares plunged 12% to $7.26 as Sionna Therapeutics confirmed what the market feared: the August trial failure wasn't a speed bump but a dead end. The company...
🔴 Sionna Therapeutics is trading 12.05% down today after 46% workforce reduction and SION-719 discontinuation
Sionna Therapeutics is trading 12.05% down now at $7.26 after announcing a restructuring. - The plan eliminates approximately 46% of the workforce and...
Sionna Therapeutics Announces Restructuring, Cutting 46% of Workforce to Prioritize Pipeline
Sionna Therapeutics (SION) has approved a restructuring plan to focus resources on its SION-451 and SION-2222 dual combination program for cystic fibrosis. The...
🟢 Sionna Therapeutics is trading 5% up today with no clear catalyst
Sionna Therapeutics is trading 5.24% up at $8.20 on September 14, 2026, with no clear catalyst identified. - No new company announcement, filing, earnings...