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Shares outstandingAs of 2026-08-07 · filed common shares: 194.51M
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Insider ownershipDirectors and officers, from their latest Form 3/4/5 holding: 0.42%
Institutional ownership: Sign in
Short interestShare of shares outstanding, at settlement: 25.56%
Short ratioDays to cover, as published by FINRA: 11.84
Short volume (5D)Share of FINRA reporting-facility volume sold short, daily flow: 50.70%
Short volume (20D)Share of FINRA reporting-facility volume sold short, daily flow: 52.30%
Avg volume (10D)

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Source: SEC filings. Information and analytics, not investment advice.

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Rev growth (fwd)

Avg volume (3 months)

Profitability

Gross margin: —
Operating marginFY Dec 25: -230460.98%
Net margin: —
EBITDA marginFY Dec 25: -230187.80%
Return on equityNet income (TTM to Jun 26) ÷ average shareholders equity: -28.87%
Return on assetsNet income (TTM to Jun 26) ÷ average total assets: -25.58%

Growth

Revenue growth (annual YoY): 105.00%
Revenue growth (latest qtr YoY): 0.00%
Revenue growth (fwd): Sign in
Net income growth (annual YoY): —
Net income growth (latest qtr YoY): —
EPS growth (fwd): Sign in
Net income growth (QoQ): —

Valuation

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EPSDiluted, TTM to Jun 26: -0.76
EPS (fwd): Sign in

Financial health

Cash & equivalentsas of Jun 26: $63.00M
Total cash: Sign in
Total debtBorrowings + finance and operating lease liabilities, as of Jun 26: $36.02M
Debt / equityas of Jun 26: 7.60%
Current ratioas of Jun 26: 26.78
Quick ratio: —
Operating cash flowTTM to Jun 26: -$76.50M
Free cash flowUnadjusted FCF = CFO − capex · TTM to Jun 26: -$76.56M
TTM revenue / diluted share: —

ALT stock Statistics — Altimmune, Inc. filings, insiders & smart money · Instaport