5.74
price up icon7.29%   0.39
after-market After Hours: 5.72 -0.02 -0.35%
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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 April 15, 2026, is $5.74.
  • 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 1,048% to $5.74 now.
  • The 52-week high stock price for ATOS is $19.35, representing a 237.11% increase from the current share price, occurred on October 09, 2025.
  • The 52-week low stock price for ATOS is $3.76, indicating a -34.49% decrease from the current share price, occurred on February 12, 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
Apr 15, 2026 $5.76 $5.35 $0.41 100,072.0 +7.29%
Apr 14, 2026 $5.44 $5.23 $0.21 34,511.0 +0.75%
Apr 13, 2026 $5.36 $4.92 $0.44 71,410.0 +7.49%
Apr 10, 2026 $4.99 $4.81 $0.1826 30,144.0 -0.80%
Apr 09, 2026 $5.05 $4.73 $0.32 43,263.0 +3.32%
Apr 08, 2026 $5.13 $4.73 $0.405 76,971.0 -1.23%
Apr 07, 2026 $5.15 $4.70 $0.45 81,433.0 -5.24%
Apr 06, 2026 $5.41 $5.10 $0.31 53,695.0 -4.01%
Apr 02, 2026 $5.56 $5.00 $0.56 71,387.0 +4.99%
Apr 01, 2026 $5.36 $5.03 $0.33 63,315.0 -2.85%
Mar 31, 2026 $5.26 $4.77 $0.49 42,707.0 +11.68%
Mar 30, 2026 $4.87 $4.59 $0.28 28,760.0 -0.21%
Mar 27, 2026 $4.92 $4.60 $0.325 64,079.0 +0.21%
Mar 26, 2026 $5.47 $4.64 $0.8288 123,332.0 -13.10%
Mar 25, 2026 $6.09 $5.40 $0.69 129,310.0 -1.63%
Mar 24, 2026 $5.69 $5.39 $0.30 41,080.0 -1.78%
Mar 23, 2026 $5.71 $5.35 $0.36 65,593.0 +5.25%
Mar 20, 2026 $5.98 $5.12 $0.86 159,461.0 +3.90%
Mar 19, 2026 $5.35 $4.96 $0.385 65,855.0 +0.39%
Mar 18, 2026 $5.53 $5.10 $0.43 47,165.0 -6.92%
Mar 17, 2026 $5.57 $4.98 $0.59 64,284.0 +10.46%

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
Apr, 2026 $5.76 $4.70 $1.06 726,273.0 +9.13%
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%
$54.26
price up icon 2.69%
$48.70
price down icon 0.25%
$99.47
price up icon 1.08%
$152.54
price up icon 3.76%
$146.74
price down icon 4.34%
ONC ONC
$319.94
price up icon 3.21%
Cap:     |  Volume (24h):