Daily trading records
Atossa Therapeutics Stock Price on August 28, 2026
Direct answer
Atossa Therapeutics closed at $2.58 on August 28, 2026.
The open was $2.62, the high was $2.62 and the low was $2.50.
Volume was 49,003. The change from the prior close was -$0.06 (-2.27%).
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Review Atossa Therapeutics's price trend and period performance.
The chart connects verified session closes from June 3, 2026 through August 28, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+1.57%
From the August 21, 2026 close of $2.54 to $2.58 on August 28, 2026.
20-session performance
+24.64%
From the July 31, 2026 close of $2.07 to $2.58 on August 28, 2026.
60-session performance
-45.11%
From the June 3, 2026 close of $4.70 to $2.58 on August 28, 2026.
Verified data
- Open
- $2.62
- High
- $2.62
- Low
- $2.50
- Close
- $2.58
- Volume
- 49,003
- Prior-close change
- -$0.06 (-2.27%)
Explore related company data
View all available daily prices for Atossa Therapeutics.View the previous trading day on August 27, 2026.View the next trading day on August 31, 2026.Return to the Atossa Therapeutics company profile.Review Atossa Therapeutics valuation and profitability metrics.Review Atossa Therapeutics analyst price targets.
Read the frequently asked questions.
What was Atossa Therapeutics's closing price on August 28, 2026?
Atossa Therapeutics closed at $2.58 on August 28, 2026.
What were Atossa Therapeutics's open, high and low on August 28, 2026?
The open was $2.62, the high was $2.62 and the low was $2.50.
How much did Atossa Therapeutics change from the prior close on August 28, 2026?
The change from the prior close was -$0.06 (-2.27%).
What was Atossa Therapeutics's volume on August 28, 2026?
Trading volume was 49,003 shares.
What is the source for Atossa Therapeutics's daily prices?
Daily aggregate prices are provided by Polygon.