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Altimmune (ALT) Stock Chart & Stock Price History

Altimmune logo
$4.14 -0.26 (-5.91%)
Closing price 07/11/2025 04:00 PM Eastern
Extended Trading
$4.16 +0.02 (+0.51%)
As of 07/11/2025 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Altimmune Stock Price Performance

The Altimmune (ALT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 47.59%, with a year-to-date return of -42.58%. In the past month, the stock has decreased 40.17%, reflecting recent market activity.

As of the latest close, Altimmune traded at $4.14 with a market cap of $335.80 million and volume of 4.15 million shares. Five years ago, the stock traded at $29.03, representing a 85.74% decrease over that period. At the time, it had a market cap of $347.03 million and a volume of 16.10 million shares.

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5 Day
Performance
-12.66%
1 Month
Performance
-40.17%
3 Month
Performance
-10.58%
Year-To-Date
Performance
-42.58%
1 Year
Performance
-47.59%
5 Year
Performance
-85.74%

ALT Stock Chart for Monday, July, 14, 2025

Altimmune Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
07/11/2025$4.40$4.14
-5.91%
$4.35$4.104.15 million shs$335.80 million
07/10/2025$4.74$4.40
-7.17%
$4.50$3.929.29 million shs$356.87 million
07/09/2025$4.58$4.74
+3.49%
$4.79$4.583.86 million shs$384.46 million
07/08/2025$4.43$4.58
+3.39%
$4.64$4.473.67 million shs$371.48 million
07/07/2025$4.76$4.43
-6.93%
$4.71$4.336.12 million shs$359.32 million
07/04/2025$4.76$4.76$5.03$4.646.33 million shs$386.08 million
07/03/2025$4.90$4.76
-2.86%
$5.03$4.646.33 million shs$386.08 million
07/02/2025$4.23$4.90
+15.84%
$5.00$4.2714.67 million shs$343.08 million
07/01/2025$3.87$4.23
+9.30%
$4.23$3.7711.52 million shs$343.10 million
06/30/2025$3.50$3.87
+10.57%
$4.04$3.3019.03 million shs$313.90 million
06/27/2025$3.61$3.50
-3.05%
$3.77$3.3819.92 million shs$283.89 million
06/26/2025$7.71$3.61
-53.18%
$3.83$2.9085.68 million shs$292.81 million
06/25/2025$7.19$7.71
+7.23%
$7.73$6.895.25 million shs$625.36 million
06/24/2025$6.99$7.19
+2.86%
$7.29$6.944.20 million shs$583.18 million
06/23/2025$7.05$6.99
-0.82%
$7.12$6.715.53 million shs$566.94 million
06/20/2025$6.78$7.05
+3.95%
$7.52$6.647.82 million shs$571.66 million
06/19/2025$6.78$6.78$7.20$6.615.71 million shs$549.93 million
06/18/2025$6.89$6.78
-1.60%
$7.20$6.615.71 million shs$549.91 million
06/17/2025$6.87$6.89
+0.29%
$6.97$6.654.10 million shs$558.83 million
06/16/2025$6.92$6.87
-0.72%
$7.37$6.794.14 million shs$557.21 million
06/13/2025$7.15$6.92
-3.22%
$7.41$6.754.33 million shs$561.26 million

This page (NASDAQ:ALT) was last updated on 7/14/2025 by MarketBeat.com Staff
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