Report topline data for SION-719 Phase 2a trial
Delivered after the deadline (41 days after the deadline)
AI-confirmed · human review in progress Independent AI checks agreed on primary SEC or regulator evidence. Records are now being reviewed by hand, starting with those our customers order.
- Announced
- 4 Jun 2025
- Due
- 30 Jun 2026
- Delivered
- 10 Aug 2026
- Deadline
- Met
- Late
- Not met
- Today
What the company said
“with topline data anticipated in mid-2026”
What we found
Evidence strength A What the grades mean
The company reported topline data for the SION-719 Phase 2a trial on August 10, 2026, which is after the mid-2026 deadline.
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A Sionna Therapeutics, Inc. 8-K filed 2026-08-10
“Sionna Therapeutics Reports Topline Data from Two Development Programs in Cystic Fibrosis and Provides Corporate Update SION-719 Phase 2a proof-of-concept trial did not achieve key activity endpoint” ✓ confirmed on the page
Market reaction: the shares moved -87.7% against the S&P 500 over the three sessions around the disclosure (7 Aug 2026 to 12 Aug 2026). What this measures
Checked 1 Oct 2026.
Commitment DNA
The structured record of this commitment. Fields the company did not state are left blank rather than guessed.
- Event type
- Clinical readout
- Indicative materiality
- Medium rules
- Action
- Report
- Deliverable
- topline data for SION-719 Phase 2a trial
- Language
- Expected (“expects”, “plans”)
- In the company’s control
- High
- Specificity
- High
How this entry was checked
- Commitment recordedThe company's words were matched word for word against the filing.
- First checkAn AI model, Gemini (Google), read the company's later filings and recorded the outcome with a quoted passage.
- Second check: agreesA different AI model, Claude (Anthropic), re-read the evidence without being told the outcome and reached the same answer.
Confirmed. This outcome counts towards the company's Kept Score. How verification works
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Report an error in this entry Reference: KI-C-2025-SION-001957 · Corrections policy