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3.995
1.11%
-0.055
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Altimmune Inc Stock (ALT) Price History
The historical daily chart and data for Altimmune Inc stock (ALT), adjusted for splits and dividends, show that the latest closing stock price as of November 03, 2025, is $3.995.
- 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 20,926% to $3.995 now.
- The 52-week high stock price for ALT is $11.16, representing a 179.35% increase from the current share price, occurred on November 13, 2024.
- The 52-week low stock price for ALT is $2.90, indicating a -27.41% decrease from the current share price, occurred on June 26, 2025.
- The closing price of Altimmune Inc (ALT) stock in the beginning of 2024 was $9.43. The stock closed the year at $16.45, a gain of over 74.44% for the year.
The table below shows more information about ALT historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Nov 03, 2025 | $4.05 | $3.97 | $0.08 | 432,261.0 | -1.36% |
| Oct 31, 2025 | $4.25 | $3.99 | $0.26 | 2,405,450.0 | -0.49% |
| Oct 30, 2025 | $4.25 | $4.02 | $0.23 | 3,993,877.0 | +1.75% |
| Oct 29, 2025 | $4.07 | $3.93 | $0.14 | 2,299,431.0 | -1.48% |
| Oct 28, 2025 | $4.15 | $4.04 | $0.11 | 1,738,814.0 | -1.93% |
| Oct 27, 2025 | $4.15 | $3.99 | $0.16 | 2,911,076.0 | +4.81% |
| Oct 24, 2025 | $4.10 | $3.94 | $0.16 | 1,923,813.0 | -0.25% |
| Oct 23, 2025 | $4.04 | $3.90 | $0.14 | 1,939,629.0 | +1.54% |
| Oct 22, 2025 | $4.00 | $3.83 | $0.175 | 2,690,128.0 | -3.47% |
| Oct 21, 2025 | $4.10 | $3.95 | $0.15 | 2,270,063.0 | +1.00% |
| Oct 20, 2025 | $4.06 | $3.86 | $0.20 | 3,006,304.0 | +4.44% |
| Oct 17, 2025 | $3.94 | $3.79 | $0.15 | 2,130,671.0 | -1.54% |
| Oct 16, 2025 | $4.15 | $3.88 | $0.27 | 2,811,529.0 | -2.75% |
| Oct 15, 2025 | $4.11 | $3.94 | $0.165 | 2,274,174.0 | +0.76% |
| Oct 14, 2025 | $4.00 | $3.82 | $0.18 | 2,007,286.0 | -0.75% |
| Oct 13, 2025 | $4.04 | $3.85 | $0.19 | 3,092,532.0 | +2.04% |
| Oct 10, 2025 | $4.11 | $3.90 | $0.21 | 2,609,501.0 | -2.00% |
| Oct 09, 2025 | $4.05 | $3.92 | $0.1332 | 2,844,833.0 | +1.78% |
| Oct 08, 2025 | $4.18 | $3.90 | $0.2799 | 7,861,379.0 | +0.00% |
| Oct 07, 2025 | $4.03 | $3.86 | $0.1664 | 1,870,969.0 | -2.00% |
| Oct 06, 2025 | $4.05 | $3.85 | $0.20 | 2,457,174.0 | +2.56% |
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.
Altimmune Inc Stock (ALT) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Nov, 2025 | $4.05 | $3.97 | $0.08 | 432,261.0 | -1.36% |
| Oct, 2025 | $4.25 | $3.75 | $0.50 | 62,831,546.0 | +7.43% |
| Sep, 2025 | $4.19 | $3.54 | $0.655 | 52,281,687.0 | -1.57% |
| Aug, 2025 | $3.91 | $3.33 | $0.5722 | 61,814,144.0 | +3.79% |
| Jul, 2025 | $5.03 | $3.58 | $1.45 | 100,131,743.0 | -4.65% |
| Jun, 2025 | $7.73 | $2.90 | $4.83 | 201,708,843.0 | -28.73% |
| May, 2025 | $6.13 | $4.95 | $1.18 | 50,988,567.0 | +3.43% |
| Apr, 2025 | $5.30 | $3.55 | $1.74 | 44,078,019.0 | +5.00% |
| Mar, 2025 | $6.71 | $4.78 | $1.93 | 60,710,374.0 | -24.81% |
| Feb, 2025 | $7.17 | $5.80 | $1.37 | 41,999,740.0 | +0.15% |
| Jan, 2025 | $7.83 | $6.19 | $1.64 | 44,506,948.0 | -7.91% |
Altimmune Inc Stock (ALT) Price History 2024
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2024 | $10.88 | $7.17 | $3.71 | 66,344,075.0 | -14.59% |
| Nov, 2024 | $11.16 | $6.45 | $4.71 | 84,154,201.0 | +27.15% |
| Oct, 2024 | $7.58 | $5.86 | $1.71 | 40,027,820.0 | +9.77% |
| Sep, 2024 | $8.25 | $5.99 | $2.26 | 48,605,898.0 | -8.36% |
| Aug, 2024 | $7.66 | $5.28 | $2.38 | 51,963,035.0 | +5.35% |
| Jul, 2024 | $8.26 | $6.09 | $2.17 | 61,068,563.0 | -4.36% |
| Jun, 2024 | $8.49 | $5.64 | $2.85 | 95,472,898.0 | -11.45% |
| May, 2024 | $9.50 | $6.55 | $2.95 | 61,019,047.0 | +14.66% |
| Apr, 2024 | $11.01 | $6.28 | $4.73 | 68,099,449.0 | -35.66% |
| Mar, 2024 | $12.68 | $7.92 | $4.76 | 94,235,014.0 | -15.87% |
| Feb, 2024 | $14.84 | $8.02 | $6.82 | 125,857,948.0 | +28.18% |
| Jan, 2024 | $12.99 | $8.66 | $4.33 | 148,490,024.0 | -16.09% |
Altimmune Inc Stock (ALT) Price History 2023
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2023 | $12.51 | $3.52 | $8.99 | 507,293,562.0 | +256.01% |
| Nov, 2023 | $3.39 | $2.31 | $1.08 | 29,370,715.0 | +31.12% |
| Oct, 2023 | $2.89 | $2.09 | $0.80 | 28,703,748.0 | -7.31% |
| Sep, 2023 | $2.96 | $2.40 | $0.5589 | 20,541,056.0 | +2.77% |
| Aug, 2023 | $3.37 | $2.34 | $1.03 | 24,745,351.0 | -23.56% |
| Jul, 2023 | $3.58 | $2.95 | $0.63 | 24,987,669.0 | -6.23% |
| Jun, 2023 | $4.47 | $3.32 | $1.15 | 58,404,328.0 | -12.62% |
| May, 2023 | $5.55 | $3.98 | $1.57 | 29,465,691.0 | -20.00% |
| Apr, 2023 | $6.08 | $3.82 | $2.26 | 36,324,593.0 | +19.67% |
| Mar, 2023 | $12.38 | $4.07 | $8.30 | 70,482,443.0 | -66.48% |
| Feb, 2023 | $15.95 | $11.28 | $4.67 | 18,894,664.0 | -7.70% |
| Jan, 2023 | $17.17 | $12.30 | $4.87 | 27,411,408.0 | -17.08% |
0.68%
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