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Sionna Therapeutics, Inc.

SION Clue Score23
United States Fiscal year ends December CIK 0002036042
$4.90 +0.00% Close, 9 Oct 2026
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Price $4.90 −82.72% Close, 9 Oct 2026

Closing prices at the end of each trading day, from 7 Feb 2025. Not a live quote. Adjusted for share splits, so the line has no step at a split; dividends are not added back.

Revenue and profit

What the business sells, and what is left of it. Point at a year for the detail.
Operating incomeNet income
Fiscal year 2024Operating income−70.6Net income−61.7EPS, diluted−15.99Fiscal year 2025Operating income−89.0Net income−75.3EPS, diluted−1.88
FY2024FY2025
Operating income −70.6 −89.0
Net income −61.7 −75.3
Growth
EPS, diluted −15.99 −1.88

Cash flow

The cash the business makes, what it reinvests, and what it hands back. Point at a year for the detail.
Operating cash flowCapital expenditureFree cash flow
Fiscal year 2024Operating cash flow−52.8Capital expenditure−0.0Free cash flow−52.8Fiscal year 2025Operating cash flow−66.3Capital expenditure−0.4Free cash flow−66.7
FY2024FY2025
Operating cash flow −52.8 −66.3
Capital expenditure −0.0 −0.4
Free cash flow −52.8 −66.7
Growth

Balance sheet

What it holds against what it owes, at each year end. Point at a year for the detail.
Cash
Fiscal year 2024Cash37.8Shareholders’ equity−163.7Fiscal year 2025Cash58.5Shareholders’ equity306.8
FY2024FY2025
Cash 37.8 58.5
Shareholders’ equity −163.7 306.8

In millions of USD, except per-share figures and ratios. Fiscal years, as last filed with the SEC.

Financial statements FY2025 · 10-K

Income statement

In millions of USD, except per-share figures; shares in millions. Fiscal years ending December, each column as last filed with the SEC.
Click a line to chart it
Fiscal year FY2024 31 Dec 2024 FY2025† 31 Dec 2025
Revenue and profit
57.3 60.3
13.3 28.7
−70.6 −89.0
Growth
0.0 0.0
−61.7 −75.3
Growth
Per share
−15.99 −1.88
−15.99 −1.88
Growth
3.9 40.0
3.9 40.0
Growth +935.6%

† The diluted share count jumps at 2025, so per-share figures either side of that column are not comparable. Usually a split, but the break lands on the restatement boundary rather than on the split date, because every column is that period’s latest filing.

Five years in brief

Worked out from the figures above, not from a press release
  • A net loss in 2 of 2 years on file.