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Armata Pharmaceuticals (ARMP) Stock Chart & Stock Price History

Armata Pharmaceuticals logo
$7.60 -0.45 (-5.59%)
Closing price 05/18/2026 04:10 PM Eastern
Extended Trading
$7.75 +0.15 (+1.97%)
As of 07:00 AM 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 Massive. Learn more.

Armata Pharmaceuticals Stock Price Performance

The Armata Pharmaceuticals (ARMP) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 220.68%, with a year-to-date return of 21.02%. In the past month, the stock has decreased 33.91%, reflecting recent market activity.

As of the latest close, Armata Pharmaceuticals traded at $7.60 with a market cap of $279.00 million and volume of 158,330 shares.

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5 Day
Performance
-7.32%
1 Month
Performance
-33.91%
3 Month
Performance
-9.42%
Year-To-Date
Performance
+21.02%
1 Year
Performance
+220.68%

ARMP Stock Chart for Tuesday, May, 19, 2026

Armata Pharmaceuticals Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/18/2026$8.05$7.60
-5.59%
$8.07$7.15158,330 shs$279.00 million
05/15/2026$8.20$8.05
-1.83%
$8.60$7.5078,451 shs$295.35 million
05/14/2026$8.82$8.20
-7.03%
$9.00$8.0975,717 shs$300.86 million
05/13/2026$9.00$8.82
-2.00%
$9.22$8.5727,167 shs$323.61 million
05/12/2026$8.82$9.00
+2.04%
$9.40$8.1568,660 shs$330.21 million
05/11/2026$8.30$8.82
+6.27%
$9.14$8.1759,763 shs$323.61 million
05/08/2026$9.15$8.30
-9.29%
$9.25$8.3050,800 shs$335.76 million
05/07/2026$9.06$9.15
+0.99%
$9.54$8.12110,730 shs$335.71 million
05/06/2026$9.36$9.06
-3.21%
$9.68$9.0053,470 shs$332.41 million
05/05/2026N/A$9.36$10.95$9.3687,299 shs$343.42 million
04/30/2026$9.55$9.98
+4.50%
$10.44$9.4358,159 shs$365.57 million
04/29/2026$9.76$9.55
-2.15%
$10.85$9.1770,105 shs$349.82 million
04/28/2026$11.00$9.76
-11.27%
$12.18$9.18112,596 shs$357.51 million
04/27/2026$12.92$11.00
-14.86%
$12.98$9.60192,724 shs$402.93 million
04/24/2026$13.53$12.92
-4.51%
$13.60$12.8753,234 shs$473.26 million
04/23/2026$13.91$13.53
-2.73%
$14.24$13.2629,640 shs$495.60 million
04/22/2026$14.80$13.91
-6.01%
$14.98$13.2063,425 shs$509.52 million
04/21/2026$12.50$14.80
+18.40%
$14.88$12.50141,665 shs$542.12 million
04/20/2026$11.50$12.50
+8.70%
$12.69$11.2982,475 shs$457.88 million

This page (NYSEAMERICAN:ARMP) was last updated on 5/19/2026 by MarketBeat.com Staff.
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