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Research & education only — not financial advice. EDGAR is not a registered investment adviser; calls are impersonal, generated from SEC filings and a delayed/third-party price feed, and may be wrong or out of date. The operator and an affiliated trading operation may hold or trade the securities EDGAR rates — see Disclosures. Do your own research.

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Home›Stocks›SION

SION

Sionna Therapeutics, Inc.

Next earnings Aug 3, 2026 · consensus $-0.66 EPS

Last earnings +1.8% on 2026-05-12

Hold
$42.18
▼ -1.38%
$42.18▲ +166.29%
over 1Y
L $14.83EODHDH $45.24
Earnings Dividend Split Congress buy Congress sellGrouped by date · hover a pin to expand
Today-1.4%
1W-1.4%
1M-2.9%
3M+16.6%
YTD+7.6%
1Y+166.3%
OverviewFinancialsValuationQualityTimelineFilings
Rating
Hold
Quality
F
Valuation
Fair value
Filings
Clean
Hold
Conviction
Horizon
Medium (3–12mo)
Street · 17 analysts
Buy

Conservative balance sheet (liabilities/equity 0.06x).

Return on equity -24.5% · latest

Sionna Therapeutics, Inc. shows limited reported revenue, and -24.5% ROE.

Financials · annual, by fiscal year

Line itemFY24FY25
Revenue——
Gross profit——
Operating income-$70.6M-$89.0M
Net income-$61.7M-$75.3M
Diluted EPS-$15.99-$1.88
Net margin——

Annual figures from SEC 10-K XBRL filings. Open the filing links below for full statement detail.

Key statistics

Valuation

Enterprise value$1.84B
EV / EBITDA—
EV / Sales—
EV / FCF—
P / FCF—
PEG (trailing)—
Earnings yield-4.0%
FCF yield-3.5%

Quality & risk

ROIC (est.)-22.9%
Free cash flow-$66.7M
Total debt—
Net cash$58.5M

Capital returns

Buyback yield—
Dividend yield (est.)—
Shareholder yield—

Computed from SEC XBRL annual figures + the current quote. EV and ROIC use long-term + current debt where filed; estimates, not investment advice.

Disclosure timeline

SEC · 8-Ks + reports
Routine disclosure cadence — no material red flags in recent filings.
  1. 8-K Shareholder vote2026-06-18
  2. 8-K Earnings results2026-05-12
  3. 10-Q Quarterly report2026-05-12
  4. DEF 14A Proxy statement2026-04-27
  5. 8-K Earnings results2026-03-02
  6. 10-K Annual report2026-03-02
  7. 8-K Earnings results2025-11-05
  8. 10-Q Quarterly report2025-11-05
  9. 8-K Earnings results2025-08-11

Recent filings

all on EDGAR ↗
4Period ending 2026-06-172026-06-18open ↗4Period ending 2026-06-172026-06-18open ↗4Period ending 2026-06-172026-06-18open ↗4Period ending 2026-06-172026-06-18open ↗4Period ending 2026-06-172026-06-18open ↗4Period ending 2026-06-172026-06-18open ↗4Period ending 2026-06-172026-06-18open ↗4Period ending 2026-06-172026-06-18open ↗4Period ending 2026-06-172026-06-18open ↗8-KPeriod ending 2026-06-172026-06-18open ↗144/AFiling2026-06-01open ↗4Period ending 2026-05-272026-05-29open ↗

Quality score

F
ValueGrowthProfitHealthMom.
Value—
GrowthF
ProfitabilityF
Financial healthB-
Momentum—
  • ✗Profitable (positive net income)
  • ✗Return on equity above 15%
  • ✓Liabilities below 2× equity
Revenue
—
Net margin
—
ROE
-24.5%
P/E
—

SEC fundamentals · FY 2025

■ revenue · ■ net income, by fiscal year

Net income-$75.3M-22.0%
Operating income-$89.0M-26.1%
Diluted EPS-$1.88+88.2%
Cash & equivalents$58.5M+54.7%
Total assets$326M+75.5%
Total liabilities$19.1M+0.1%
Stockholders' equity$307M+287.4%
L/E: 0.06x

Frequently asked

Is Sionna Therapeutics, Inc. (SION) a buy?
SION currently carries a Hold rating with 2/5 conviction, derived from its latest SEC filings. Conservative balance sheet (liabilities/equity 0.06x).
What is Sionna Therapeutics, Inc.'s quality score?
SION scores 36.179487179487175/100 (grade F) on a SEC-grounded quality model spanning value, growth, profitability, financial health and momentum.

Sources: SEC EDGAR (CIK 0002036042, latest 10-Q filed 2026-05-12) · EODHD · as of 6/26/2026, 6:43:29 PM.

Research and education only — not financial advice. EDGAR is not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities EDGAR rates; see Disclosures. Past performance does not guarantee future results. Do your own research.

Earnings history

beat/miss · move
2026-05-12Miss -14.4% est▼ -10.90%8-K ↗
2026-03-02Beat +16.3% est▼ -7.17%8-K ↗
2025-11-05Beat +6.9% est▼ -1.57%8-K ↗
2025-08-11Beat +27.6% est▲ +13.36%8-K ↗
2025-05-12—▲ +4.71%8-K ↗
2025-03-20—▲ 0.00%8-K ↗

Dates from 8-K (Item 2.02); beat/miss = reported EPS vs consensus (Finnhub, recent quarters); move = prior close → close on/after.

Recent news

market news →
Wedbush Initiates Coverage of Sionna Therapeutics (SION)Bullish
finance.yahoo.com· 2026-05-14
Sionna Insider Sells $2.5 Million in Stock Amid 215% Surge, but Here's What Investors Should WatchBullish
finance.yahoo.com· 2026-04-27
Sionna Therapeutics to Participate in the Raymond James 2026 Biotech Innovation SymposiumBullish
globenewswire.com· 2026-04-07
Sionna Chief Legal Officer Cashed Out Her Shares. Her Options Are Another StoryBullish
nasdaq.com· 2026-03-31
ENAVATE's Zenas Bio Pharma add Is a Footnote — The Obexelimab Pipeline Is What to WatchBullish
finance.yahoo.com· 2026-03-21
Sionna Stock Is Up 144% This Past Year. Is the Biotech a Buy as One Fund Makes a $7 Million Bet?Bullish
finance.yahoo.com· 2026-03-18

Vs tracked universe

compare →

1044 tracked peers · median

EDGAR Score36 vs 67
Revenue growth— vs 7.1%
Net margin— vs 10.5%
Return on equity-24.5% vs 12.3%
P/E— vs 25.5