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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 May 06, 2026, is $5.54.
  • 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 1,008% to $5.54 now.
  • The 52-week high stock price for ATOS is $19.35, representing a 249.28% increase from the current share price, occurred on October 09, 2025.
  • The 52-week low stock price for ATOS is $3.76, indicating a -32.13% 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
May 06, 2026 $5.79 $5.49 $0.2994 21,773.0 -0.09%
May 05, 2026 $6.18 $5.24 $0.94 199,072.0 -4.78%
May 04, 2026 $5.97 $5.33 $0.64 96,800.0 +9.94%
May 01, 2026 $5.43 $5.16 $0.268 34,690.0 -0.74%
Apr 30, 2026 $5.46 $5.19 $0.269 24,697.0 +1.70%
Apr 29, 2026 $5.51 $5.21 $0.30 28,894.0 -3.83%
Apr 28, 2026 $5.74 $5.32 $0.4198 29,616.0 +0.73%
Apr 27, 2026 $5.78 $5.32 $0.4561 36,629.0 -4.39%
Apr 24, 2026 $5.80 $5.54 $0.26 42,677.0 -0.52%
Apr 23, 2026 $5.93 $5.61 $0.32 36,372.0 -3.70%
Apr 22, 2026 $6.02 $5.75 $0.27 40,176.0 +3.12%
Apr 21, 2026 $6.20 $5.76 $0.44 91,194.0 -6.48%
Apr 20, 2026 $6.28 $5.80 $0.48 127,738.0 +5.83%
Apr 17, 2026 $5.94 $5.67 $0.2733 54,679.0 +1.04%
Apr 16, 2026 $5.78 $5.52 $0.26 33,856.0 +0.52%
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%

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
May, 2026 $6.18 $5.16 $1.02 352,335.0 +3.82%
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%
$28.50
price up icon 0.78%
$50.76
price up icon 2.57%
$92.69
price down icon 3.01%
$138.73
price down icon 1.11%
$147.88
price down icon 0.02%
ONC ONC
$305.60
price up icon 2.86%
Cap:     |  Volume (24h):