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ALT — Altimmune, Inc. Common Stock
NasdaqAltimmune, Inc. Common Stock
$2.76
-0.10(-3.50%)
- O
- 2.85
- H
- 2.85
- L
- 2.75
- V
- 3.56M
⏱️ End-of-day dataAs of Oct 1, 2026
Latest Close$2.76
Period Return-42.38%
Period High$7.73
Period Low$2.56
Avg Daily Volume4.17M
Total Trading Days365
ALT — Historical OHLCV Price & Volume Table
Apr 21, 2025 — Oct 1, 2026| Date▼ | Open⇅ | High⇅ | Low⇅ | Close⇅ | Change ($)⇅ | Change (%)⇅ | Volume⇅ | VWAP⇅ | Day Range (L - H) |
|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | $2.85 | $2.85 | $2.75 | $2.76 | $-0.10 | -3.50% | 3,563,755 | $2.78 | $2.75 $2.85 |
| Sep 30, 2026 | $2.99 | $2.99 | $2.86 | $2.86 | $-0.11 | -3.70% | 4,922,487 | $2.91 | $2.86 $2.99 |
| Sep 29, 2026 | $2.99 | $3.01 | $2.92 | $2.97 | +$0.01 | +0.34% | 2,563,650 | $2.96 | $2.92 $3.01 |
| Sep 28, 2026 | $3.04 | $3.07 | $2.95 | $2.96 | $-0.10 | -3.27% | 3,359,772 | $2.99 | $2.95 $3.07 |
| Sep 25, 2026 | $3.05 | $3.11 | $3.00 | $3.06 | +$0.02 | +0.66% | 2,859,141 | $3.06 | $3.00 $3.11 |
| Sep 24, 2026 | $3.18 | $3.20 | $2.98 | $3.04 | $-0.15 | -4.70% | 3,685,835 | $3.07 | $2.98 $3.20 |
| Sep 23, 2026 | $3.42 | $3.43 | $3.15 | $3.19 | $-0.22 | -6.45% | 4,531,546 | $3.23 | $3.15 $3.43 |
| Sep 22, 2026 | $3.33 | $3.41 | $3.25 | $3.41 | +$0.14 | +4.28% | 4,003,284 | $3.35 | $3.25 $3.41 |
| Sep 21, 2026 | $3.31 | $3.34 | $3.24 | $3.27 | +$0.02 | +0.62% | 3,523,050 | $3.28 | $3.24 $3.34 |
| Sep 18, 2026 | $3.23 | $3.26 | $3.18 | $3.25 | +$0.01 | +0.31% | 12,176,851 | $3.24 | $3.18 $3.26 |
| Sep 17, 2026 | $3.31 | $3.35 | $3.21 | $3.24 | +$0.00 | +0.00% | 3,457,394 | $3.27 | $3.21 $3.35 |
| Sep 16, 2026 | $3.27 | $3.29 | $3.20 | $3.24 | +$0.01 | +0.31% | 3,331,818 | $3.25 | $3.20 $3.29 |
| Sep 15, 2026 | $3.30 | $3.31 | $3.21 | $3.23 | $-0.07 | -2.12% | 2,331,488 | $3.25 | $3.21 $3.31 |
| Sep 14, 2026 | $3.27 | $3.36 | $3.27 | $3.30 | +$0.03 | +0.92% | 2,459,706 | $3.32 | $3.27 $3.36 |
| Sep 11, 2026 | $3.33 | $3.41 | $3.26 | $3.27 | $-0.02 | -0.61% | 2,704,722 | $3.30 | $3.26 $3.41 |
| Sep 10, 2026 | $3.32 | $3.35 | $3.25 | $3.29 | $-0.06 | -1.79% | 2,563,021 | $3.28 | $3.25 $3.35 |
| Sep 9, 2026 | $3.35 | $3.43 | $3.29 | $3.35 | $-0.01 | -0.30% | 3,076,360 | $3.34 | $3.29 $3.43 |
| Sep 8, 2026 | $3.46 | $3.55 | $3.34 | $3.36 | $-0.06 | -1.75% | 3,591,744 | $3.40 | $3.34 $3.55 |
| Sep 4, 2026 | $3.28 | $3.43 | $3.25 | $3.42 | +$0.19 | +5.88% | 4,871,949 | $3.35 | $3.25 $3.43 |
| Sep 3, 2026 | $3.30 | $3.32 | $3.19 | $3.23 | $-0.05 | -1.52% | 2,552,091 | $3.23 | $3.19 $3.32 |
| Sep 2, 2026 | $3.10 | $3.34 | $3.10 | $3.28 | +$0.19 | +6.15% | 7,445,212 | $3.26 | $3.10 $3.34 |
| Sep 1, 2026 | $3.07 | $3.10 | $3.02 | $3.09 | $-0.02 | -0.64% | 2,355,221 | $3.07 | $3.02 $3.10 |
| Aug 31, 2026 | $3.08 | $3.14 | $3.06 | $3.11 | +$0.00 | +0.00% | 2,216,476 | $3.10 | $3.06 $3.14 |
| Aug 28, 2026 | $3.21 | $3.23 | $3.06 | $3.11 | $-0.13 | -4.01% | 3,193,611 | $3.11 | $3.06 $3.23 |
| Aug 27, 2026 | $3.19 | $3.25 | $3.13 | $3.24 | +$0.09 | +2.86% | 2,278,581 | $3.20 | $3.13 $3.25 |
| Aug 26, 2026 | $3.20 | $3.20 | $3.09 | $3.15 | $-0.05 | -1.56% | 4,050,554 | $3.14 | $3.09 $3.20 |
| Aug 25, 2026 | $3.14 | $3.23 | $3.11 | $3.20 | +$0.09 | +2.89% | 3,819,791 | $3.19 | $3.11 $3.23 |
| Aug 24, 2026 | $3.13 | $3.13 | $3.03 | $3.11 | +$0.00 | +0.00% | 2,724,599 | $3.10 | $3.03 $3.13 |
| Aug 21, 2026 | $2.98 | $3.24 | $2.95 | $3.11 | +$0.16 | +5.42% | 6,157,415 | $3.15 | $2.95 $3.24 |
| Aug 20, 2026 | $3.07 | $3.08 | $2.92 | $2.95 | $-0.17 | -5.45% | 4,673,045 | $2.97 | $2.92 $3.08 |