Daily trading records

Atossa Therapeutics Historical Stock Prices by Trading Day

Direct answer

Review 60 recent trading days for Atossa Therapeutics.

The verified trading-day record runs from July 2, 2026 through September 25, 2026.
Select a date to review its open, high, low, close, volume and change from the prior session.
Daily aggregate prices are provided by Polygon.

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Review Atossa Therapeutics's price trend and period performance.

The chart connects verified session closes from July 1, 2026 through September 25, 2026.

Closing-price trend by trading session

Period performance is calculated from verified trading sessions.

5-session performance

-14.41%

From the September 18, 2026 close of $2.22 to $1.90 on September 25, 2026.

20-session performance

-28.03%

From the August 27, 2026 close of $2.64 to $1.90 on September 25, 2026.

60-session performance

-6.86%

From the July 1, 2026 close of $2.04 to $1.90 on September 25, 2026.

Atossa Therapeutics Historical prices
Historical pricesOpenHighLowCloseVolumePrior-close change
$2.06$2.0652$1.89$1.9077,844-$0.15 (-7.32%)
$2.15$2.22$2.05$2.0537,461-$0.13 (-5.96%)
$2.25$2.26$2.15$2.1837,188-$0.08 (-3.54%)
$2.25$2.43$2.25$2.26129,526+$0.01 (+0.44%)
$2.25$2.39$2.25$2.2567,170+$0.03 (+1.35%)
$2.37$2.38$2.22$2.2239,756-$0.18 (-7.50%)
$2.42$2.43$2.37$2.4033,289-$0.02 (-0.83%)
$2.39$2.48$2.39$2.4245,777+$0.05 (+2.11%)
$2.475$2.49$2.37$2.3743,779-$0.11 (-4.44%)
$2.53$2.555$2.45$2.4835,040-$0.03 (-1.20%)
$2.36$2.54$2.36$2.5160,410+$0.17 (+7.26%)
$2.36$2.61$2.33$2.3447,238-$0.06 (-2.50%)
$2.54$2.54$2.40$2.4024,800-$0.115 (-4.57%)
$2.49$2.5871$2.4446$2.51541,371-$0.005 (-0.20%)
$2.51$2.60$2.50$2.5228,028-$0.01 (-0.40%)
$2.50$2.60$2.46$2.5356,692+$0.07 (+2.85%)
$2.40$2.51$2.39$2.4644,772+$0.04 (+1.65%)
$2.48$2.50$2.317$2.4292,004-$0.08 (-3.20%)
$2.57$2.5895$2.50$2.5053,195-$0.08 (-3.10%)
$2.62$2.62$2.50$2.5849,003-$0.06 (-2.27%)
$2.64$2.69$2.5848$2.6423,115-$0.01 (-0.38%)
$2.66$2.70$2.61$2.6526,302-$0.03 (-1.12%)
$2.62$2.69$2.58$2.6849,690+$0.04 (+1.52%)
$2.56$2.65$2.45$2.6457,150+$0.10 (+3.94%)
$2.59$2.62$2.51$2.5425,656-$0.05 (-1.93%)
$2.62$2.62$2.44$2.5970,955-$0.05 (-1.89%)
$2.57$2.76$2.55$2.6462,197+$0.05 (+1.93%)
$2.77$2.7827$2.565$2.5958,564-$0.20 (-7.17%)
$2.62$2.9699$2.55$2.79192,438+$0.19 (+7.31%)
$2.54$2.69$2.4301$2.6096,121+$0.04 (+1.56%)
$2.36$2.56$2.355$2.5683,113+$0.21 (+8.94%)
$2.32$2.37$2.27$2.3531,349-$0.01 (-0.42%)
$2.39$2.45$2.27$2.3656,705-$0.01 (-0.42%)
$2.26$2.45$2.26$2.3769,087+$0.01 (+0.42%)
$2.37$2.45$2.24$2.3678,021-$0.06 (-2.48%)
$2.39$2.44$2.26$2.4230,786+$0.03 (+1.26%)
$2.37$2.39$2.2688$2.3936,767+$0.08 (+3.46%)
$2.18$2.34$2.18$2.3154,974+$0.14 (+6.45%)
$2.10$2.19$2.07$2.1724,345+$0.10 (+4.83%)
$2.19$2.19$2.05$2.0779,046-$0.12 (-5.48%)
$2.29$2.295$2.18$2.1932,534-$0.12 (-5.19%)
$2.37$2.39$2.28$2.3140,885-$0.105 (-4.35%)
$2.36$2.49$2.33$2.41545,915+$0.055 (+2.33%)
$2.30$2.45$2.30$2.3636,741+$0.065 (+2.83%)
$2.41$2.4627$2.25$2.29540,790-$0.115 (-4.77%)
$2.44$2.55$2.41$2.4137,171-$0.02 (-0.82%)
$2.43$2.49$2.37$2.4326,604+$0.03 (+1.25%)
$2.46$2.60$2.39$2.40106,083-$0.09 (-3.61%)
$2.48$2.58$2.40$2.49117,295$0.00 (0.00%)
$2.39$2.50$2.2701$2.4947,874+$0.10 (+4.18%)
$2.418$2.4575$2.34$2.3968,961-$0.05 (-2.05%)
$2.29$2.44$2.2262$2.4497,154+$0.18 (+7.96%)
$2.35$2.36$2.225$2.26154,450-$0.14 (-5.83%)
$2.37$2.42$2.21$2.40177,604+$0.03 (+1.27%)
$2.37$2.39$2.22$2.3765,746+$0.01 (+0.42%)
$2.42$2.42$2.27$2.36144,166-$0.09 (-3.67%)
$2.51$2.539$2.38$2.45127,999-$0.04 (-1.61%)
$2.37$2.60$2.19$2.49426,355+$0.21 (+9.21%)
$2.14$2.41$2.14$2.28228,477+$0.16 (+7.55%)
$2.03$2.19$2.03$2.12116,528+$0.08 (+3.92%)

Verified data

Trading days shown
60
Coverage start
July 2, 2026
Coverage end
September 25, 2026
Display currency
USD
Market data provider
Polygon

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Read the frequently asked questions.

What is Atossa Therapeutics's latest verified closing price?

Atossa Therapeutics closed at $1.90 on September 25, 2026.

What period does Atossa Therapeutics's price history cover?

The page shows 60 verified sessions from July 2, 2026 through September 25, 2026.

What data is included in Atossa Therapeutics's daily price history?

Each row includes the open, high, low, close, volume and change from the prior close.

Does Atossa Therapeutics's price history include market holidays?

The table contains only verified trading sessions and does not create prices for market holidays.

What is the source for Atossa Therapeutics's daily prices?

Daily aggregate prices are provided by Polygon.