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ALT
Altimmune, Inc. Common Stock
stock NASDAQ

At Close
Dec 12, 2025 3:59:59 PM EST
5.26USD-1.404%(-0.08)6,369,007
0.00Bid   0.00Ask   0.00Spread
Pre-market
Dec 12, 2025 9:26:30 AM EST
5.40USD+1.124%(+0.06)77,012
After-hours
Dec 12, 2025 4:49:30 PM EST
5.33USD+1.231%(+0.06)7,063
OverviewOption ChainMax PainOptionsPrice & VolumeSplitsDividendsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
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Market Cap
549.09M
Headquarters
Gaithersburg, Maryland, USA
Industry
Biotechnology
Next Earnings
Mar 26, 2026 (101d)
Last Dividend
Feb 6, 20172.910
Last Split
Sep 14, 20181for30reverse
Related
XLV
ALT Stats
Avg. Vol. 10 Day
3,805,955
Avg. Vol. 30 Day
3,442,745
Employees
30
Market Cap
549,091,367
Shares Out.
104,342,385
On/Off Exchange
49%/51%
6 Month Beta
0.64
1 Year Beta
1.40
2 Year Beta
1.59
3 Year Beta
1.48
52 Week Low
2.90
52 Week High
9.59
SMA50
4.40
SMA200
4.68
1 Week
+0.43%
1 Month
+29.62%
3 Month
+44.57%
6 Month
-23.95%
1 Year
-41.72%
2 Year
-19.29%
5 Year
-60.55%
Profile
altimmune, inc. is a clinical stage biotechnology company developing next-generation immunotherapeutics and vaccines to address significant public health and biodefense needs. by leveraging specific attributes of its two independent and complementary platform technologies, altimmune can rapidly design product candidates against a wide range of disease targets, including respiratory diseases, chronic infections, and cancer. our densigenâ„¢ t-cell platform technology is uniquely suited to direct the immune response against traditionally difficult disease targets, including chronic infections and cancer, by directing an individual's immune system against multiple target antigens instead of just one. altimmune's respirvecâ„¢ platform utilizes convenient needle-free intranasal delivery to achieve broad immunity against disease pathogens more rapidly than conventional vaccines. vaxin's product candidates are easily manufactured, highly stable, and provide a safe, effective alternative to current

ALT Stock Summary

Altimmune, Inc. Common Stock (NASDAQ:ALT) stock price today is $5.26, and today's volume is 6,369,007. ALT is down -1.404% today. The 30 day average volume is 3,442,745. ALT market cap is 549.09M with 104,342,385 shares outstanding.



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