sec filing
AL
NASDAQ · ALT
Altimmune, Inc.
Healthcare · Biotechnology
$2.67
Up+$0.00 (+0.00%)
Updated Oct 6, 2026, 8:39 PM
SID Score
3.1/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 380.39M
- P/E ratio
- -4.59
- Dividend yield
- 0.00%
- 52-week range
- $2.56 – $4.04
- Volume
- 3.84M
- Avg. volume
- 4.9M
Price performance · ALT
ALT price history
1M range · 20 trading sessions · Daily adjusted prices
Prices through Oct 5, 2026
ALT closed at $2.67 after 20 trading sessions, down 20.54% for the selected period.
- Last close
- $2.67
- Period change
- -20.54%
- Period low
- $2.67
- Period high
- $3.41
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 5, 2026 | $2.73 | $2.7467 | $2.65 | $2.67 | 3.84M |
| Oct 2, 2026 | $2.80 | $2.81 | $2.71 | $2.735 | 4.25M |
| Oct 1, 2026 | $2.85 | $2.85 | $2.75 | $2.76 | 3.59M |
| Sep 30, 2026 | $2.99 | $2.99 | $2.86 | $2.86 | 4.92M |
| Sep 29, 2026 | $2.99 | $3.006 | $2.92 | $2.97 | 2.56M |
| Sep 28, 2026 | $3.04 | $3.07 | $2.95 | $2.96 | 3.36M |
| Sep 25, 2026 | $3.05 | $3.11 | $3.00 | $3.06 | 2.86M |
| Sep 24, 2026 | $3.18 | $3.20 | $2.98 | $3.04 | 3.69M |
| Sep 23, 2026 | $3.42 | $3.425 | $3.15 | $3.19 | 4.53M |
| Sep 22, 2026 | $3.33 | $3.41 | $3.25 | $3.41 | 4M |
| Sep 21, 2026 | $3.31 | $3.3404 | $3.24 | $3.27 | 3.52M |
| Sep 18, 2026 | $3.23 | $3.26 | $3.18 | $3.25 | 12.18M |
| Sep 17, 2026 | $3.31 | $3.35 | $3.21 | $3.24 | 3.46M |
| Sep 16, 2026 | $3.27 | $3.29 | $3.195 | $3.24 | 3.33M |
| Sep 15, 2026 | $3.30 | $3.31 | $3.21 | $3.23 | 2.34M |
| Sep 14, 2026 | $3.27 | $3.36 | $3.27 | $3.30 | 2.47M |
| Sep 11, 2026 | $3.33 | $3.41 | $3.26 | $3.27 | 2.7M |
| Sep 10, 2026 | $3.32 | $3.345 | $3.25 | $3.29 | 2.56M |
| Sep 9, 2026 | $3.35 | $3.425 | $3.291 | $3.35 | 3.08M |
| Sep 8, 2026 | $3.46 | $3.5499 | $3.34 | $3.36 | 3.59M |
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