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Ampliphi Biosciences (APHB) Stock Chart & Stock Price History

Ampliphi Biosciences logo
$4.56 -0.26 (-5.39%)
As of 08/14/2026

Ampliphi Biosciences Stock Price Performance

The Ampliphi Biosciences (APHB) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 78.82%, with a year-to-date return of -30.70%. In the past month, the stock has increased 21.28%, reflecting recent market activity.

As of the latest close, Ampliphi Biosciences traded at $4.56 with a market cap of $152.62 million and volume of 110,611 shares.

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5 Day
Performance
+5.80%
1 Month
Performance
+21.28%
3 Month
Performance
-43.35%
Year-To-Date
Performance
-30.70%
1 Year
Performance
+78.82%

APHB Stock Chart for Tuesday, August, 18, 2026

Ampliphi Biosciences Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
08/17/2026$4.56$4.56$4.93$4.40110,611 shs$152.62 million
08/14/2026$4.31$4.82
+11.83%
$5.04$4.32169,020 shs$161.32 million
08/13/2026$4.25$4.31
+1.41%
$4.42$3.96126,489 shs$144.25 million
08/12/2026$4.60$4.25
-7.61%
$4.86$4.14231,122 shs$142.24 million
08/11/2026$4.71$4.60
-2.34%
$4.92$4.5281,560 shs$153.96 million
08/10/2026$4.71$4.71$4.88$4.6237,501 shs$157.64 million
08/07/2026$4.70$4.70$4.78$4.60103,857 shs$157.30 million
08/06/2026$5.05$4.70
-6.93%
$4.75$4.51103,896 shs$157.30 million
08/05/2026$5.05$5.05$5.14$4.5460,161 shs$169.02 million
08/04/2026$4.54$5.05
+11.23%
$5.14$4.5460,161 shs$169.02 million
08/03/2026$4.54$4.54$4.84$4.5230,752 shs$151.95 million
07/31/2026$4.57$4.78
+4.60%
$4.99$4.4564,089 shs$159.98 million
07/30/2026$4.73$4.57
-3.38%
$4.96$4.5697,502 shs$152.95 million
07/29/2026$5.15$4.73
-8.16%
$5.15$4.6159,324 shs$158.31 million
07/28/2026$4.66$5.15
+10.52%
$5.22$4.3696,036 shs$172.37 million
07/27/2026$4.66$4.66$5.29$4.6563,494 shs$155.97 million
07/24/2026$5.24$5.22
-0.38%
$5.50$5.17102,209 shs$174.71 million
07/23/2026$5.16$5.24
+1.55%
$5.35$4.88127,648 shs$175.38 million
07/22/2026$5.06$5.16
+1.98%
$5.25$4.62270,136 shs$172.70 million
07/21/2026$4.51$5.06
+12.20%
$5.40$4.58538,228 shs$169.35 million
07/20/2026$4.51$4.51$4.55$3.80271,343 shs$150.95 million
07/17/2026$3.99$3.76
-5.76%
$4.15$3.48342,673 shs$125.84 million

This page (NYSEAMERICAN:APHB) was last updated on 8/14/2026 by MarketBeat.com Staff.
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