Altimmune Inc Stock (ALT) Price History
The historical daily chart and data for Altimmune Inc stock (ALT), show that the latest closing stock price as of November 12, 2026, is $1.61.
- Altimmune Inc all-time high stock price is $137.70, occurred on May 26, 2017.
- The lowest Altimmune Inc stock price recorded was $0.019 on July 08, 2016. Since then, Altimmune Inc's stock price has risen over 98.82% to $1.61 now.
- The 52-week high stock price for ALT is $6.44, representing a 299.99% increase from the current share price, occurred on January 23, 2026.
- The 52-week low stock price for ALT is $1.60, indicating a 0.62% decrease from the current share price, occurred on November 12, 2026.
- The closing price of Altimmune Inc (ALT) stock in the beginning of 2025 was $7.11. The stock closed the year at $3.61, a loss of over 49.23% for the year.
The table below shows more information about ALT historical price data:
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Altimmune Inc Stock (ALT) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Altimmune Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of ALT shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Altimmune Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.