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10-Q

Quarterly Report

Sionna Therapeutics, Inc. SION

0001628280-25-049251

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Filed
Nov 5, 2025 12:00 AM ET
Period of report

On SEC.gov

Financials in this filing

Metric Period Value
Shares Outstanding Q3 2025 · Oct 31, 2025 44.63M sh
Shares Diluted Q3 2025 · Sep 30, 2025 44.26M sh
Shares Diluted Q3 2025 · Sep 30, 2025 38.39M sh
Shares Diluted Q3 2025 · Sep 30, 2024 4.49M sh
Shares Diluted Q3 2025 · Sep 30, 2024 3.58M sh
Capex Q3 2025 · Sep 30, 2025 $173K
Capex Q3 2025 · Sep 30, 2024 $0
Operating Cash Flow Q3 2025 · Sep 30, 2025 −$49.67M
Operating Cash Flow Q3 2025 · Sep 30, 2024 −$41.01M
Cash And Equivalents Q3 2025 · Sep 30, 2025 $50.83M
Cash And Equivalents Q3 2025 · Dec 31, 2024 $37.79M
Cash And Equivalents Q3 2025 · Sep 30, 2024 $35.75M
Stockholders Equity Q3 2025 · Sep 30, 2025 $321.67M
Stockholders Equity Q3 2025 · Jun 30, 2025 $336.43M
Stockholders Equity Q3 2025 · Mar 31, 2025 $351.77M
Stockholders Equity Q3 2025 · Dec 31, 2024 −$163.71M
Stockholders Equity Q3 2025 · Sep 30, 2024 −$148.55M
Stockholders Equity Q3 2025 · Jun 30, 2024 −$133.77M
Stockholders Equity Q3 2025 · Mar 31, 2024 −$126.08M
Stockholders Equity Q3 2025 · Dec 31, 2023 −$114.88M
Current Liabilities Q3 2025 · Sep 30, 2025 $9.85M
Current Liabilities Q3 2025 · Dec 31, 2024 $10.42M
Total Liabilities Q3 2025 · Sep 30, 2025 $17.6M
Total Liabilities Q3 2025 · Dec 31, 2024 $19.1M
Current Assets Q3 2025 · Sep 30, 2025 $252.33M
Current Assets Q3 2025 · Dec 31, 2024 $150.99M
Total Assets Q3 2025 · Sep 30, 2025 $339.27M
Total Assets Q3 2025 · Dec 31, 2024 $185.75M
Eps Diluted Q3 2025 · Sep 30, 2025 −$0.46
Eps Diluted Q3 2025 · Sep 30, 2025 −$1.43
Eps Diluted Q3 2025 · Sep 30, 2024 −$5.67
Eps Diluted Q3 2025 · Sep 30, 2024 −$12.81
Eps Basic Q3 2025 · Sep 30, 2025 −$0.46
Eps Basic Q3 2025 · Sep 30, 2025 −$1.43
Eps Basic Q3 2025 · Sep 30, 2024 −$5.67
Eps Basic Q3 2025 · Sep 30, 2024 −$12.81
Sga Expense Q3 2025 · Sep 30, 2025 $7.76M
Sga Expense Q3 2025 · Sep 30, 2025 $20.28M
Sga Expense Q3 2025 · Sep 30, 2024 $3.4M
Sga Expense Q3 2025 · Sep 30, 2024 $9.39M
Rd Expense Q3 2025 · Sep 30, 2025 $16.04M
Rd Expense Q3 2025 · Sep 30, 2025 $45.1M
Rd Expense Q3 2025 · Sep 30, 2024 $24.58M
Rd Expense Q3 2025 · Sep 30, 2024 $43.04M
Net Income Q3 2025 · Sep 30, 2025 −$20.28M
Net Income Q3 2025 · Sep 30, 2025 −$54.83M
Net Income Q3 2025 · Jun 30, 2025 −$18.07M
Net Income Q3 2025 · Mar 31, 2025 −$16.48M
Net Income Q3 2025 · Sep 30, 2024 −$25.44M
Net Income Q3 2025 · Sep 30, 2024 −$45.84M
Net Income Q3 2025 · Jun 30, 2024 −$8.55M
Net Income Q3 2025 · Mar 31, 2024 −$11.85M
Operating Income Q3 2025 · Sep 30, 2025 −$23.81M
Operating Income Q3 2025 · Sep 30, 2025 −$65.37M
Operating Income Q3 2025 · Sep 30, 2024 −$27.98M
Operating Income Q3 2025 · Sep 30, 2024 −$52.42M