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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

Ratios

Percentages worked out from the filed figures; debt to equity in times. 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
Returns
n/a −24.5%
−33.2% −23.1%
Balance and payout
10.3% 5.9%