Altimmune (ALT.US) Price Target 2026/2027: 480% Upside – Rating and Stock Analysis

2,98
-1,65%
Price history for Altimmune (ALT.US) – stock price at 2.98 $, August 2026
Altimmune stock price – price development 2026. Updated Aug 6, 2026.
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Altimmune Price Target 2026: Analysts See 478% Upside

The average price target for Altimmune is $17.22. This price target represents the analysts' view of the stock price over the next 12 months. The stock may be undervalued, because the price target is higher than the current price. The stock is 477,85% below the target, which can point to potential returns within the next 12 months if the analysts' view proves right. Also consider the stock's valuation ratios such as P/E, P/S and P/B, plus the technical analysis further down the page, for the full picture.

Is Altimmune overvalued or undervalued?

Altimmune is currently undervalued with a gap of 477.9% relative to the price target.


The current price is $2.98, which places Altimmune in the undervalued category. The stock is considered undervalued when the price is below $15.50, and overvalued when the price exceeds $18.94.


The fair value range is defined as ±10% of the price target, because price targets are estimates rather than exact values. For Altimmune, the fair value range lies between $15.50 and $18.94.


See the full price target analysis for Altimmune →

Analyst Ratings for Altimmune stock in 2026: Buy

9 analysts cover Altimmune. There is broad agreement on a positive view — 88.9% recommend buying. The average price target is $17.22, which gives an upside of 477.9% from the current price.

Consensus: Buy (4.44/5)
Strong Buy
5 (55.6%)
Buy
3 (33.3%)
Hold
1 (11.1%)
Strong Sell Sell Hold Buy Strong Buy
4.44 out of 5 based on 9 analysts

About Altimmune – Bioteknologi

Altimmune, Inc., a late clinical stage biopharmaceutical company, focuses on developing novel therapies for serious liver diseases. Its lead product candidate is pemvidutide, a GLP-1/glucagon dual receptor agonist, which is in Phase 3 clinical trial for the treatment of metabolic dysfunction-associated steatohepatitis, alcohol use disorder, and alcohol-associated liver disease. The company was founded in 1997 and is headquartered in Gaithersburg, Maryland. Read more about the company

Key Figures for Altimmune

$ 597M Market cap
$ 36,0K Revenue
Bioteknologi Industry
- P/E
16,584.32 P/S
1.95 P/B
USA Listed on exchange
Sundhed Sector

What kind of stock is Altimmune?

Speculative stock

Altimmune is classified as a speculative stock.

Score Overview for Altimmune

💰 Value Score 16/100 (Very Low)
⭐ Quality Score 11/100 (Very Low)
🚀 Momentum Score 14/100 (Very Low)
📊 Total Score 13/100

⚠️ 3 red flags identified 2 critical

Our analysis has identified 3 potential risk factors in Altimmune that investors should be aware of.

⚠️ Weak financial health: The Piotroski score is only 2/9 – the company shows signs of weakened profitability, liquidity or capital structure.
🚨 Negative return on equity: ROE is -42.8% – the company is generating a negative return for shareholders.
🚨 High short interest: 24.8% of the shares are sold short – many professional investors are betting on price declines.

📈 Valuation

The P/S ratio is 16,584.3 (high — the market pays a premium for the revenue). The P/B ratio is 2.0. The PEG ratio is 32.62 — above 2.0 suggests the stock is expensive relative to its growth rate.

🏦 Financial Health

The Piotroski score is 2 out of 9 — weak financial health, be careful. Altman Z2 is 3.80 (healthy balance sheet — low risk). The debt-to-equity ratio (D/E) is 12.8% — low debt, a solid balance sheet.

🚀 Momentum & Short Interest

Short interest is 24.84% — very high, the market is skeptical.

Insider Trading in Altimmune 2026: The Signal Is mostly negative

In 2026, insiders at Altimmune have made 20 transactions – split into 10 purchases and 10 sales. On a net basis, insiders took 847,894 $ out of the stock. Active insiders include GILL JOHN, WEAVER GREGORY L, Durso Jerome Benedict and others.

Short-Term Signal (3 months): No activity

There has been no insider trading in the last 3 months.

Long-Term Signal (all transactions): Mostly negative

Insiders have sold considerably more than they have bought. At large companies this can be due to planned sales (10b5-1 plans) and is not necessarily a negative signal.

Across the last 20 transactions: 10 purchases and 10 sales. A net 847,894 $ out of the stock.

Latest purchase: GILL JOHN bought 9,200 shares at 3 $ each on 2026-04-06. The stock has since fallen 11.1%.

Latest sale: Roberts M Scot sold 7,775 shares at 6 $ each on 2026-02-02.

Who is buying: GILL JOHN, WEAVER GREGORY L, Durso Jerome Benedict, Roberts M Scot, Jordt Raymond M and others.

Who is selling: Roberts M Scot, Garg Vipin K, Jordt Raymond M.

Latest Insider Trades in Altimmune (2026)

The table shows the last 20 reported insider transactions in Altimmune. Green rows are purchases, red rows are sales. The data is based on official filings.

Transaction date Name Type Number of shares Price per share ($) Total amount ($)
2026-04-06 GILL JOHN Buy 9,200 3 31,372
2026-04-01 WEAVER GREGORY L Buy 10,000 3 31,500
2026-04-01 Durso Jerome Benedict Buy 15,000 3 47,100
2026-03-06 WEAVER GREGORY L Buy 5,000 4 17,700
2026-03-06 Durso Jerome Benedict Buy 20,000 4 70,800
2026-02-02 Roberts M Scot Sell 7,775 6 43,151
2026-01-31 Roberts M Scot Buy 5,567 3 17,091
2026-01-31 Jordt Raymond M Buy 4,571 3 14,033
2026-01-31 Garg Vipin K Buy 6,926 3 21,263
2026-01-30 Roberts M Scot Sell 9,275 6 51,940

Who is buying and selling Altimmune shares in 2026?

The following insiders have bought shares in Altimmune: GILL JOHN, WEAVER GREGORY L, Durso Jerome Benedict, Roberts M Scot, Jordt Raymond M and others. In total, 273,378 $ was bought across 10 transactions. The following insiders have sold shares: Roberts M Scot, Garg Vipin K, Jordt Raymond M. In total, 1,121,272 $ was sold across 10 transactions. Insider trades are legal transactions in which executives and board members buy or sell shares of their own company. These transactions are reported to the SEC and are publicly available.

Altimmune Short Selling 2026: 24.8% Sold Short

Extremely shorted: 24.8% of the free float
Short % of free float
24.8%
Assessment
Extremely shorted
Short squeeze risk
Very High
Data source
SEC
Updated daily
The stock has an extremely high share of short selling. More than 20% of the freely traded shares are sold short, which is unusual and can point to great skepticism among institutional investors. The risk of a short squeeze on positive news is considerable.

What does this mean for you as an investor?
A short interest of 24.8% means that 24.8% of the freely traded shares in Altimmune have been borrowed and sold by investors betting on falling prices. On positive surprises (e.g. a strong earnings report), short sellers can be forced to buy back shares quickly to close their positions, which can cause a short squeeze with sharp price gains in a short time.

The next potential catalyst is the earnings report on 8/11/2026. With a short interest of 24.8%, the report can trigger considerable volatility.

Data is updated daily based on official filings with the SEC.
Short Interest Scale
0% 2% 5% 10% 20%+
Low Moderate High Very High Extreme
24.8%

When Does Altimmune Report Earnings – Next Date: 8/11/2026

The next earnings report from Altimmune is scheduled for August 11, 2026, before the market opens. This report covers the second quarter (Q2), which ended on June 30, 2026.



Technical Analysis of Altimmune 2026 – Signal: Hold

Overall Technical Signal: Hold

Based on trend analysis (SMA50/SMA200) and MACD trend (positive/negative on a daily + weekly basis). Updated August 6, 2026.

Technical analysis of Altimmune (ALT.US) – RSI 55, MACD positive (bullish), daily candlestick chart August 2026
Altimmune technical analysis – candlestick chart with RSI and MACD. Updated Aug 6, 2026.

Trend Analysis of Altimmune, Inc

Altimmune, Inc is in a short-term uptrend. The price of $3.03 is 3.4% above the 20-day average ($2.93). Medium term, the picture is positive: the price is 4.6% above the 50-day average ($2.90). Long term, the stock is 19.2% below the 200-day average ($3.75), which signals a long-term downtrend.

Death Cross: The 50-day average (2.90) is below the 200-day average (3.75), which is a classic bearish signal for Altimmune, Inc.

Is Altimmune, Inc overbought or oversold?

Altimmune, Inc has an RSI of 54.9, right in the middle of the neutral zone. There is no clear buying or selling pressure.

MACD Analysis for Altimmune, Inc

Daily MACD: MACD is positive (0.019), which means the short-term trend is bullish (the 12-day EMA is above the 26-day EMA). MACD is above the signal line (0.004) by 0.015, which confirms rising momentum in the uptrend.

Weekly MACD: MACD5 is negative (-0.303), which indicates a broader bearish long-term trend. MACD5 is above the signal line (-0.359) by 0.056, which suggests the negative long-term momentum is fading – a bigger trend reversal could be ahead.

Overall MACD assessment: The daily and weekly MACD give conflicting signals. The short-term trend is bullish, but the long-term trend is still bearish. Weekly momentum is rising, though, which could signal an upcoming trend reversal.

Risk Profile for Altimmune, Inc

Altimmune, Inc has an annual standard deviation of 69.2%, which classifies the stock as high risk. Sizeable price swings are normal, and the stock requires a higher risk tolerance.

Overall Technical Conclusion for Altimmune, Inc

Trend: Neutral/mixed.

MACD trend (zero line): Daily bullish (0.019). Weekly bearish (-0.303).

MACD momentum (signal): Daily rising. Weekly rising.

RSI: 54.9 – neutral.

Technical signal: Hold

The signals are mixed – trend and MACD point in different directions. Wait until MACD crosses the zero line in the direction of the trend before acting.

Frequently Asked Questions About Altimmune stock in 2026

Should you buy Altimmune stock now?
The technical signal for Altimmune is currently NEUTRAL. Altimmune trades at $2.98 as of 8/6/2026. The overall technical signal is: Hold. The technical analysis shows the following: MACD is positive (bullish trend) at 0.019 with rising momentum (signal: 0.004); RSI is at 54.9 (neutral zone); the stock is in a short-term uptrend (price above the 20-day average); the analyst price target of $17.22 points to 477.9% upside. This is a technical observation based on current data, not investment advice.
What is the price target for Altimmune stock?
The average analyst price target for Altimmune is $17.22. The current price is $2.98, which gives an upside of 477.9%. Based on this, the stock is considered undervalued. The fair value range (±10% of the price target) is between $15.50 and $18.94.
Is Altimmune a dividend stock?
No, Altimmune does not currently pay a dividend to shareholders. The company reinvests its profits in growth instead of paying dividends.
What is the risk of Altimmune stock?
Altimmune is rated as a stock with high risk. the annual standard deviation is 69.2%, which classifies the stock as high risk.
Is Altimmune overvalued?
No, Altimmune is considered undervalued based on the analyst price target (477.9% upside). Altimmune has the following valuation ratios: a P/S ratio of 16,584.3, a P/B ratio of 2.0. The analyst price target suggests that the stock is undervalued by 477.9%.
Is Altimmune overbought?
No, Altimmune is not overbought. RSI is at 54.9 (neutral zone). The technical indicators show: RSI is at 54.9 (neutral zone between 30-70), which signals neither overbought nor oversold. In addition, the price is 1.7% above the 20-day average (short-term uptrend). In addition, MACD is positive with rising momentum (bullish).
When is the next Altimmune earnings report?
Altimmune reports its next earnings on August 11, 2026. The stock currently trades at $2.98.
Is Altimmune shorted?
Yes, Altimmune is shorted with 24.8% of the free float sold short. This is an extremely high level of short selling, which points to great skepticism among institutional investors. The risk of a short squeeze on positive news or earnings is very high. Data is updated daily based on official filings with the SEC.
Are insiders buying Altimmune stock?
No, insiders are not buying Altimmune shares – they are net sellers. Across the last 20 reported transactions, the split is 10 purchases and 10 sales, with a net 847,894 $ sold. Active sellers include Roberts M Scot, Garg Vipin K, Jordt Raymond M. Insider selling can have several explanations (e.g. planned 10b5-1 sales, portfolio diversification or taxes), but sustained selling by several insiders is worth watching closely.
Is Altimmune a good stock?
Based on our total score, Altimmune is rated as a disastrous stock with a total score of 14 out of 100. The stock scores very low on value, quality and momentum – it is among the worst in our database. The score is made up of Value: 16/100, Quality: 11/100, Momentum: 14/100. In addition: analysts see 477.9% upside to the price target; technical signal: Hold. Whether Altimmune is a good investment depends on your time horizon, risk profile and portfolio. This is a data-driven observation, not investment advice.
What is the outlook for Altimmune stock?
The outlook for Altimmune based on current data: the average analyst price target is $17.22 (+477.9%); the next earnings report is due on 8/11/2026, which can move the price. Keep in mind that stock prices are affected by many factors, including earnings reports, the economy and market sentiment. Past returns are no guarantee of future returns.
Why is Altimmune stock moving?
Altimmune is stable right now. The technical indicators show: the price is close to the 20-day average; MACD is positive with rising momentum (bullish signal); short interest is 24.8% (high – many are betting on a decline); insiders have mostly been buying the stock recently. For the latest context, see our technical analysis, insider section and news overview above.
How high can Altimmune go?
The average analyst price target for Altimmune is $17.22, which corresponds to a potential gain of 477.9% from the current price of $2.98. Keep in mind that price targets are estimates, not guarantees. Actual price moves depend on earnings, market conditions and unexpected events.
How low can Altimmune fall?
We lack enough history to give a specific floor for Altimmune. Remember: past price swings are no guarantee for the future — a stock can fall further than the last 52 weeks suggest, especially on profit warnings, sector crises or a market crash. Use stop-loss orders and spread your portfolio to limit losses in single stocks.
What does Altimmune do?
Altimmune, Inc., a late clinical stage biopharmaceutical company, focuses on developing novel therapies for serious liver diseases. Its lead product candidate is pemvidutide, a GLP-1/glucagon dual receptor agonist, which is in Phase 3 clinical trial for the treatment of metabo... The company belongs to the Sundhed sector, more specifically the Bioteknologi industry, is headquartered in USA, and is traded on the USA Stocks. See the key figures, earnings history and price development above to evaluate Altimmune as an investment.
Did Altimmune raise or lower its guidance?
Over the last 60 days we have not registered a guidance raise or cut from Altimmune. The company can still adjust its guidance at quarterly reports or between reports — see the earnings history and the news overview above.
Is Altimmune making money or losing money?
We have no current profitability data for Altimmune. See the latest report in the earnings history above.
Can Altimmune go bankrupt?
The bankruptcy risk of Altimmune is rated as low. Altman Z2 (a model for assessing financial distress) is 3.80 — that places the company in the healthy zone. The company has a healthy balance sheet with limited debt relative to earnings and assets. The Piotroski score (financial health 0-9, higher is better) is 2 — which is weak. Debt relative to equity is 13% (low). Remember: models like Altman Z2 are statistical — unexpected shocks (fraud, a sector collapse, lawsuits) can always happen. Spread your portfolio.
Does Altimmune have a lot of debt?
No, Altimmune has low debt relative to equity. The debt-to-equity ratio (D/E — interest-bearing debt to equity) is 13%. For the sundhed sector, anything below 80% counts as low debt. Note: D/E levels are highly sector-specific — a bank at 300% debt is normal, a tech stock at 300% is extremely leveraged. Always compare with similar companies in the same sector.