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Atossa Therapeutics Inc Stock (ATOS) Price History

The historical daily chart and data for Atossa Therapeutics Inc stock (ATOS), show that the latest closing stock price as of June 16, 2026, is $2.29.
  • Atossa Therapeutics Inc all-time high stock price is $477.00, occurred on February 26, 2015.
  • The lowest Atossa Therapeutics Inc stock price recorded was $0.50 on December 28, 2022. Since then, Atossa Therapeutics Inc's stock price has risen over 358.00% to $2.29 now.
  • The 52-week high stock price for ATOS is $19.35, representing a 744.98% increase from the current share price, occurred on October 09, 2025.
  • The 52-week low stock price for ATOS is $2.31, indicating a 0.87% decrease from the current share price, occurred on June 15, 2026.
  • The closing price of Atossa Therapeutics Inc (ATOS) stock in the beginning of 2025 was $1.74. The stock closed the year at $0.5285, a loss of over -69.63% for the year.
The table below shows more information about ATOS historical price data:
Date High Low High - Low Volume % Change
Jun 16, 2026 $2.38 $2.28 $0.1049 45,685.0 -2.55%
Jun 15, 2026 $2.51 $2.31 $0.20 472,677.0 -4.47%
Jun 12, 2026 $2.70 $2.45 $0.25 639,533.0 -4.84%
Jun 11, 2026 $2.81 $2.52 $0.29 1,403,228.0 -41.25%
Jun 10, 2026 $4.59 $4.36 $0.23 29,880.0 -0.23%
Jun 09, 2026 $4.59 $4.36 $0.23 53,794.0 -3.08%
Jun 08, 2026 $4.56 $4.35 $0.2121 35,993.0 +1.79%
Jun 05, 2026 $4.80 $4.40 $0.40 80,944.0 -7.84%
Jun 04, 2026 $4.87 $4.65 $0.215 46,767.0 +3.19%
Jun 03, 2026 $4.80 $4.68 $0.12 45,019.0 -3.09%
Jun 02, 2026 $5.14 $4.80 $0.345 77,565.0 -5.09%
Jun 01, 2026 $5.20 $4.93 $0.2699 58,515.0 -2.29%
May 29, 2026 $5.30 $5.00 $0.30 42,885.0 +0.77%
May 28, 2026 $5.25 $4.98 $0.27 51,680.0 +1.37%
May 27, 2026 $5.18 $4.86 $0.3161 39,640.0 +3.43%
May 26, 2026 $5.05 $4.86 $0.1919 30,275.0 -0.20%
May 22, 2026 $5.10 $4.84 $0.2617 26,903.0 -0.20%
May 21, 2026 $5.06 $4.66 $0.3996 55,003.0 +2.69%
May 20, 2026 $4.96 $4.66 $0.2999 38,236.0 +2.00%
May 19, 2026 $4.92 $4.66 $0.26 50,574.0 -0.73%

Atossa Therapeutics Inc Stock (ATOS) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Atossa Therapeutics Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of ATOS shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Atossa Therapeutics Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Atossa Therapeutics Inc Stock (ATOS) Price History 2026

Month High Low High - Low Volume % Change
Jun, 2026 $5.20 $2.28 $2.92 2,989,600.0 -56.21%
May, 2026 $6.18 $4.66 $1.52 1,047,327.0 -2.61%
Apr, 2026 $6.28 $4.70 $1.58 1,172,729.0 +2.09%
Mar, 2026 $6.09 $4.23 $1.86 1,863,126.0 +18.74%
Feb, 2026 $7.56 $3.76 $3.80 3,863,703.0 -47.73%
Jan, 2026 $10.95 $7.98 $2.97 2,544,566.5 -4.24%

Atossa Therapeutics Inc Stock (ATOS) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $14.85 $9.23 $5.62 1,725,576.6 -20.06%
Nov, 2025 $13.61 $11.16 $2.45 660,601.7 -12.60%
Oct, 2025 $19.35 $12.83 $6.52 2,048,827.3 +2.61%
Sep, 2025 $13.48 $11.25 $2.23 791,586.8 +13.65%
Aug, 2025 $12.75 $10.97 $1.78 789,188.7 -8.53%
Jul, 2025 $14.76 $12.10 $2.66 1,831,223.6 +0.48%
Jun, 2025 $14.01 $11.55 $2.46 2,008,512.8 +6.81%
May, 2025 $16.05 $10.95 $5.10 1,027,489.3 -13.45%
Apr, 2025 $13.50 $8.29 $5.21 1,013,681.3 +33.44%
Mar, 2025 $11.60 $9.90 $1.70 703,617.9 -12.12%
Feb, 2025 $13.46 $10.94 $2.53 738,192.7 -9.05%
Jan, 2025 $15.60 $10.80 $4.80 1,074,114.9 -10.83%

Atossa Therapeutics Inc Stock (ATOS) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $19.65 $14.01 $5.64 1,296,789.8 -25.07%
Nov, 2024 $24.90 $17.55 $7.35 1,088,864.1 -5.80%
Oct, 2024 $22.80 $20.10 $2.70 618,356.3 -9.21%
Sep, 2024 $23.70 $19.35 $4.35 752,867.6 +10.95%
Aug, 2024 $21.90 $16.50 $5.40 831,216.5 +1.48%
Jul, 2024 $22.50 $16.35 $6.15 1,321,829.1 +13.45%
Jun, 2024 $20.55 $15.30 $5.25 2,204,281.4 -8.46%
May, 2024 $27.15 $19.27 $7.88 1,799,881.9 -13.91%
Apr, 2024 $34.65 $18.60 $16.05 3,692,242.9 -16.11%
Mar, 2024 $29.10 $14.70 $14.40 2,771,320.5 +84.24%
Feb, 2024 $15.75 $12.42 $3.33 599,518.1 +14.40%
Jan, 2024 $14.78 $11.62 $3.16 512,101.2 -2.95%
$96.41
price down icon 1.61%
$29.82
price down icon 0.80%
$90.30
price down icon 0.33%
$53.94
price down icon 0.28%
ONC ONC
$264.43
price down icon 1.24%
$157.31
price down icon 1.95%
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