Stocks · Healthcare · Biotechnology
Altimmune, Inc. ALT
$2.67 -2.55% Close, Oct 5, 2026 · NASDAQ · Market cap $531.9M
Weak trendExpensive vs sector
Next earnings report: Nov 5, 2026
Scroll or pinch to zoom, drag to move. Daily prices adjusted for splits. Markers: E = earnings (green beat, red miss), S = split, D = dividend.
Three things to know
- Operating margin widened to -323306.5% from -471850.0% a year earlier.
- The diluted share count rose 127.6% in a year.
- Revenue over the last four quarters was $31,000, up 55.0% from a year earlier, slowing from 80.0% a quarter earlier.
PromtFinance scores
Each score is a percentile within the Healthcare sector (0–100). Under each score: how the stock ranks in its sector on every component. As of Oct 6, 2026.
How fast revenue, earnings and cash flow are growing.
- Revenue growth (TTM, YoY)Top 15%
- Revenue growth accelerationBottom 11%
Returns on capital, margins, earnings quality and balance-sheet strength.
- Return on invested capitalTop 50%
- Gross marginBottom 1%
- Operating marginBottom 1%
- Accruals (lower is better)Bottom 29%
- Interest coverBottom 22%
How cheap the shares are relative to earnings, cash flow and their own history.
- Earnings yieldBottom 24%
- Free-cash-flow yieldBottom 31%
- EBITDA / enterprise valueBottom 29%
- Sales / enterprise valueBottom 1%
Strength and persistence of the price trend, including versus the S&P 500.
- 12-month return excluding last monthBottom 25%
- 6-month returnBottom 23%
- 1-year return vs S&P 500Bottom 21%
- Distance from 52-week highBottom 18%
- Trend checklist (0–4)Bottom 13%
Earnings surprises and analyst sentiment (estimate-revision history is being collected).
- Average EPS surprise, last 4 quartersTop 31%
- Consecutive EPS beatsTop 35%
- Share of analysts rating BuyTop 45%
- Upside to consensus price targetTop 29%
Low volatility, shallow drawdowns, low market sensitivity and modest leverage.
- Volatility, 60 days (lower is better)Top 34%
- Maximum drawdown, 3 yearsBottom 31%
- Beta vs S&P 500 (lower is better)Bottom 36%
What changed
Latest four quarters versus the same period a year earlier (growth: versus one quarter earlier).
| Measure | Before | Now | |
|---|---|---|---|
| Revenue growth (YoY) | 80.0% | 55.0% | ↓ |
| Gross margin | 100.0% | -48306.5% | ↓ |
| Operating margin | -471850.0% | -323306.5% | ↑ |
| FCF margin | -407915.0% | -246974.2% | ↑ |
Fundamental momentum
| Measure | Now (TTM) | Year / quarter before | Sector rank | |
|---|---|---|---|---|
| Revenue growth (TTM, YoY) | 55.0% | 80.0% | ↓ | Top 15% |
| Gross margin | -48306.5% | 100.0% | ↓ | Bottom 1% |
| Operating margin | -323306.5% | -471850.0% | ↑ | Bottom 1% |
| Net margin | -296000.0% | -438730.0% | ↑ | — |
| Free-cash-flow margin | -246974.2% | -407915.0% | ↑ | — |
| Return on invested capital | -19.5% | — | Top 50% |
Quality of earnings and balance sheet
- Accruals (net income − OCF) / assetsLower is better; high accruals can signal weaker earnings quality.
- -2.9%
- Stock-based compensation / revenueA cost to shareholders through dilution.
- 47293.5%
- Receivables growth vs revenue growthReceivables growing much faster than sales can be a warning.
- +225.5 pp
- Net debt / EBITDABelow 1× is conservative; above 3× is high leverage.
- Net cash
- Interest cover (operating income / interest)How many times operating profit covers interest.
- -28.3×
Shareholder returns
- Dividend yield (dividends paid, TTM)
- 0.00%
- Net buyback yield (TTM)
- -73.49%
- Shareholder yield
- -73.49%
- Share count change, 1 year
- +127.6%
- Share count change, 3-year CAGR
- +54.1%
Shareholder yield = dividends + net buybacks over the last four quarters, divided by market cap.
Based on the four quarters through Jun 30, 2026 (filed Aug 12, 2026).
Earnings and expectations
Earnings momentum
- Consecutive EPS beats
- 2
- Beats in the last 8 reports
- 7 of 8
- Average EPS surprise, last 4
- +14.8%
- Average 2-day reaction, last 8
- +3.0%
- Positive 20 days after report
- 5 of 8
Analysts
- Consensus price target
- $6.25
- Target vs current price
- +134.1%
- Analysts with a rating
- 15
- Share rating Buy or Strong Buy
- 80%
- Consensus rating
- Buy
How the stock reacted to recent reports
| Report date | EPS surprise | 2 days | 5 days | 20 days | 60 days |
|---|---|---|---|---|---|
| Aug 11, 2026 | +11.4% | -1.6% | -1.6% | +10.2% | — |
| May 13, 2026 | +28.0% | -1.9% | -11.0% | -15.3% | +0.0% |
| Mar 5, 2026 | -8.0% | -17.8% | -11.0% | -26.9% | -28.6% |
| Nov 6, 2025 | +27.6% | +5.1% | +12.8% | +41.6% | +45.9% |
| Aug 12, 2025 | +15.6% | +7.1% | +5.3% | +11.8% | +11.2% |
| May 13, 2025 | +25.7% | -4.2% | -8.5% | +12.1% | -41.4% |
| Feb 27, 2025 | +2.9% | +8.1% | -3.7% | -5.9% | -2.9% |
| Nov 12, 2024 | +11.1% | +29.1% | -2.7% | +22.6% | -10.1% |
Returns from the close before each report. Past reactions do not determine future ones.
Earnings history
| Report date | EPS | Estimate | Surprise | Revenue |
|---|---|---|---|---|
| Aug 11, 2026 | -$0.12 | -$0.14 | +11.4% | — |
| May 13, 2026 | -$0.18 | -$0.25 | +28.0% | — |
| Mar 5, 2026 | -$0.27 | -$0.25 | -8.0% | $26,000 |
| Nov 6, 2025 | -$0.21 | -$0.29 | +27.6% | $5,000 |
| Aug 12, 2025 | -$0.27 | -$0.32 | +15.6% | $5,000 |
| May 13, 2025 | -$0.26 | -$0.35 | +25.7% | $5,000 |
| Feb 27, 2025 | -$0.33 | -$0.34 | +2.9% | $5,000 |
| Nov 12, 2024 | -$0.32 | -$0.36 | +11.1% | $5,000 |
Valuation in context
| Multiple | Now | 5-year median | 5-year percentile | Sector rank (cheapness) |
|---|---|---|---|---|
| EV / Sales | 16276.85× | — | — | Bottom 1% |
| Free-cash-flow yield | -14.39% | — | — | Bottom 31% |
| Earnings yield | -29.21% | — | — | Bottom 24% |
Technical state
Trend checklist
- ✗ Price above 20-day average
- ✗ Price above 50-day average
- ✗ Price above 200-day average
- ✗ 50-day average above 200-day
- ✗ MACD histogram positive
Trend quality
- Days above the 50-day average
- 0
- Days above the 200-day average
- 0
- 50-day average slope (20 days)
- +2.2%
- 200-day average slope (20 days)
- -5.4%
- Distance from 50-day average
- -13.4%
- Distance from 200-day average
- -22.6%
- RSI (14)
- 29.5
- Relative volume
- 0.98×
Risk and drawdowns
- Volatility, 60 days (annualized)
- 47.0%
- Volatility vs own 5-year history
- 5th percentile · Low for this stock
- Beta vs S&P 500 (2 years, weekly)
- 1.39
- Correlation with S&P 500
- 0.28
- Current drawdown from 1-year high
- -56.8%
- Maximum drawdown, 3 years
- -81.2%
Largest declines in the past six years
| From peak | To low | Decline | Length | Recovery |
|---|---|---|---|---|
| Feb 17, 2021 | Oct 23, 2023 | -91.2% | 675 days | Not yet recovered |
| Oct 13, 2020 | Nov 9, 2020 | -44.9% | 19 days | 50 days (Jan 22, 2021) |
| Jan 25, 2021 | Jan 28, 2021 | -20.4% | 3 days | 3 days (Feb 2, 2021) |
| Oct 5, 2020 | Oct 9, 2020 | -10.8% | 4 days | 2 days (Oct 13, 2020) |
Declines of 10% or more from a closing high, measured on daily closes.
Financial statements
- Market cap
- $531.9M
- EPS, diluted (TTM)
- -$0.78
- Revenue (TTM)
- $31,000
- 52-week range
- $2.56 – $6.44
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Revenue | $4.4M | -$68,000 | $426,000 | $20,000 | $41,000 |
| Gross profit | $4.4M | -$68,000 | $426,000 | $20,000 | $41,000 |
| Operating income | -$96.9M | -$87.7M | -$95.9M | -$103.2M | -$94.5M |
| Net income | -$97.1M | -$84.7M | -$88.4M | -$95.1M | -$88.1M |
| EPS (diluted) | -$2.35 | -$1.81 | -$1.66 | -$1.34 | -$1.00 |
| Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 | |
|---|---|---|---|---|---|---|---|---|
| Revenue | $5,000 | $5,000 | $5,000 | $5,000 | $5,000 | $26,000 | $0 | $0 |
| Net income | -$22.8M | -$23.2M | -$19.6M | -$22.1M | -$19.0M | -$27.4M | -$22.6M | -$22.8M |
| EPS (diluted) | -$0.32 | -$0.33 | -$0.26 | -$0.27 | -$0.21 | -$0.27 | -$0.18 | -$0.12 |
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Operating cash flow | -$78.2M | -$62.6M | -$75.8M | -$79.8M | -$67.5M |
| Capital expenditure | -$12.3M | -$126,000 | -$47,000 | $0 | -$11,000 |
| Free cash flow | -$90.5M | -$62.7M | -$75.9M | -$79.8M | -$67.5M |
| Dividends paid | $0 | $0 | $0 | $0 | $0 |
| Net share buybacks | $65.0M | $56.3M | $86.6M | $10.0M | $173.7M |
Cash outflows are shown as negative numbers.
- Cash and short-term investments
- $326.3M
- Total assets
- $527.2M
- Total liabilities
- $53.0M
- Total debt
- $35.7M
- Net debt
- -$27.3M
- Shareholders’ equity
- $474.2M
As of Jun 30, 2026 (filed Aug 12, 2026).
Dividends
| Ex-date | Amount | Paid |
|---|---|---|
| Feb 6, 2017 | $291.00 | — |
| Jan 20, 2017 | $291.00 | Feb 3, 2017 |
Short interest
- Shares sold short
- 51,749,756
- Days to cover
- 15.38
- Change vs previous report
- +4.1%
FINRA short interest, settlement date Sep 15, 2026.
Stock splits
- Sep 14, 2018
- 1-for-30
- May 5, 2017
- 10-for-1