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2.62
0.76%
-0.02
After Hours:
2.62
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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 June 16, 2026, is $2.62.
- 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 13,689% to $2.62 now.
- The 52-week high stock price for ALT is $7.73, representing a 195.04% increase from the current share price, occurred on June 25, 2025.
- The 52-week low stock price for ALT is $2.56, indicating a -2.29% decrease from the current share price, occurred on May 01, 2026.
- The closing price of Altimmune Inc (ALT) stock in the beginning of 2025 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 |
|---|---|---|---|---|---|
| Jun 16, 2026 | $2.68 | $2.60 | $0.08 | 2,904,944.0 | -0.76% |
| Jun 15, 2026 | $2.68 | $2.58 | $0.096 | 3,504,472.0 | +1.15% |
| Jun 12, 2026 | $2.66 | $2.58 | $0.078 | 2,137,962.0 | +0.77% |
| Jun 11, 2026 | $2.65 | $2.57 | $0.0748 | 3,411,898.0 | -0.77% |
| Jun 10, 2026 | $2.71 | $2.60 | $0.10 | 3,027,659.0 | -1.88% |
| Jun 09, 2026 | $2.80 | $2.62 | $0.18 | 3,340,139.0 | -2.56% |
| Jun 08, 2026 | $2.78 | $2.68 | $0.10 | 2,169,720.0 | +0.74% |
| Jun 05, 2026 | $2.92 | $2.69 | $0.235 | 3,121,199.0 | -7.19% |
| Jun 04, 2026 | $3.00 | $2.84 | $0.155 | 2,813,751.0 | +1.74% |
| Jun 03, 2026 | $2.95 | $2.84 | $0.11 | 3,009,668.0 | -1.03% |
| Jun 02, 2026 | $3.00 | $2.90 | $0.105 | 3,094,938.0 | -3.65% |
| Jun 01, 2026 | $3.04 | $2.93 | $0.115 | 2,264,715.0 | -1.31% |
| May 29, 2026 | $3.10 | $3.02 | $0.075 | 2,592,515.0 | -0.65% |
| May 28, 2026 | $3.13 | $2.98 | $0.15 | 3,913,195.0 | +3.02% |
| May 27, 2026 | $3.03 | $2.96 | $0.07 | 2,585,876.0 | +1.71% |
| May 26, 2026 | $3.00 | $2.89 | $0.106 | 2,134,762.0 | +1.03% |
| May 22, 2026 | $3.00 | $2.88 | $0.12 | 1,988,383.0 | -1.02% |
| May 21, 2026 | $2.93 | $2.77 | $0.16 | 3,040,475.0 | +3.90% |
| May 20, 2026 | $2.85 | $2.73 | $0.1188 | 2,223,832.0 | +2.92% |
| May 19, 2026 | $2.84 | $2.73 | $0.11 | 2,512,128.0 | -2.14% |
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 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Jun, 2026 | $3.04 | $2.57 | $0.4748 | 37,706,009.0 | -14.10% |
| May, 2026 | $3.26 | $2.56 | $0.70 | 62,135,542.0 | +17.31% |
| Apr, 2026 | $3.64 | $2.58 | $1.06 | 100,605,715.0 | -15.58% |
| Mar, 2026 | $4.35 | $2.87 | $1.48 | 84,334,868.0 | -28.54% |
| Feb, 2026 | $5.75 | $4.27 | $1.48 | 59,963,933.0 | -23.04% |
| Jan, 2026 | $6.44 | $3.48 | $2.96 | 132,171,829.0 | +55.12% |
Altimmune Inc Stock (ALT) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2025 | $6.03 | $3.60 | $2.43 | 98,184,980.0 | -31.37% |
| Nov, 2025 | $5.33 | $3.73 | $1.60 | 62,494,988.0 | +29.88% |
| 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% |
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