ALT
ALTIMMUNE (ALT)
NASDAQ
$2.75-$0.006 (-0.22%)
Price as of Oct 02, 2026 5:02 PM EDT
  • $536.9M
    Market Cap
  • -29.77%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    -10.68%
    Low Price$2.76
    High Price$3.42
  • 3 Months
    -12.38%
    Low Price$2.76
    High Price$3.42
  • 1 Year
    -29.77%
    Low Price$2.59
    High Price$6.18
Date
Open
High
Low
Close
Change (%)
Volume
10/01/2026
2.85
2.85
2.75
2.76
-3.50%
3,593,558
09/30/2026
2.99
2.99
2.86
2.86
-3.70%
4,922,486
09/29/2026
2.99
3.01
2.92
2.97
+0.34%
2,563,649
09/28/2026
3.04
3.07
2.95
2.96
-3.27%
3,359,771
09/25/2026
3.05
3.11
3.00
3.06
+0.66%
2,859,131
09/24/2026
3.18
3.20
2.98
3.04
-4.70%
3,685,835
09/23/2026
3.42
3.43
3.15
3.19
-6.45%
4,531,546
09/22/2026
3.33
3.41
3.25
3.41
+4.28%
4,003,284
09/21/2026
3.31
3.34
3.24
3.27
+0.62%
3,523,049
09/18/2026
3.23
3.26
3.18
3.25
+0.31%
12,176,850
09/17/2026
3.31
3.35
3.21
3.24
0.00%
3,457,393
09/16/2026
3.27
3.29
3.20
3.24
+0.31%
3,331,818
09/15/2026
3.30
3.31
3.21
3.23
-2.12%
2,339,114
09/14/2026
3.27
3.36
3.27
3.30
+0.92%
2,465,554
09/11/2026
3.33
3.41
3.26
3.27
-0.61%
2,704,721
09/10/2026
3.32
3.35
3.25
3.29
-1.79%
2,563,020
09/09/2026
3.35
3.43
3.29
3.35
-0.30%
3,076,359
09/08/2026
3.46
3.55
3.34
3.36
-1.75%
3,591,733
09/04/2026
3.28
3.43
3.25
3.42
+5.88%
4,871,948
09/03/2026
3.30
3.32
3.19
3.23
-1.52%
2,552,090
09/02/2026
3.10
3.34
3.10
3.28
+6.15%
7,472,170
09/01/2026
3.07
3.10
3.02
3.09
-0.64%
2,355,220
08/31/2026
3.08
3.14
3.06
3.11
0.00%
2,216,476
08/28/2026
3.21
3.23
3.06
3.11
-4.01%
3,193,611
08/27/2026
3.19
3.25
3.13
3.24
+2.86%
2,278,580
08/26/2026
3.20
3.20
3.09
3.15
-1.56%
4,050,554
08/25/2026
3.14
3.23
3.11
3.20
+2.89%
3,819,791
08/24/2026
3.13
3.13
3.03
3.11
0.00%
2,724,598
08/21/2026
2.98
3.24
2.95
3.11
+5.42%
6,157,414
08/20/2026
3.07
3.08
2.92
2.95
-5.45%
4,681,380
08/19/2026
3.04
3.20
3.01
3.12
+5.05%
10,824,068
08/18/2026
2.99
3.03
2.96
2.97
-1.00%
2,472,114
08/17/2026
2.94
3.02
2.90
3.00
+2.04%
4,056,884
08/14/2026
2.95
2.97
2.86
2.94
+2.08%
3,073,969
08/13/2026
2.95
2.96
2.84
2.88
-1.71%
4,108,985
08/12/2026
3.05
3.20
2.92
2.93
-2.33%
6,045,805
08/12/2026
-$0.12 Earnings
08/11/2026
3.06
3.08
2.98
3.00
-1.64%
3,634,624
08/10/2026
3.09
3.10
2.99
3.05
-0.97%
5,260,453
08/07/2026
3.05
3.10
3.00
3.08
+2.33%
4,505,570
08/06/2026
3.03
3.05
2.95
3.01
-0.66%
3,977,253
08/05/2026
3.07
3.12
3.01
3.03
-1.30%
3,163,967
08/04/2026
3.01
3.08
2.95
3.07
+2.33%
8,162,984
08/03/2026
2.88
3.03
2.86
3.00
+5.63%
4,647,347
07/31/2026
2.99
2.99
2.78
2.84
-4.70%
3,892,079
07/30/2026
2.93
3.01
2.86
2.98
+2.05%
5,439,362
07/29/2026
3.00
3.10
2.90
2.92
-2.34%
8,301,360
07/28/2026
3.16
3.31
2.82
2.99
+1.01%
17,142,614
07/27/2026
2.80
3.03
2.80
2.96
+6.86%
4,060,013
07/24/2026
2.85
2.89
2.76
2.77
-2.46%
1,911,556
07/23/2026
2.79
2.84
2.75
2.84
+1.07%
1,625,839
07/22/2026
2.81
2.87
2.77
2.81
-0.35%
2,290,537
07/21/2026
2.81
2.87
2.78
2.82
+0.36%
1,984,647
07/20/2026
2.89
2.91
2.79
2.81
-2.09%
2,614,486
07/17/2026
2.79
2.95
2.77
2.87
+0.70%
2,963,768
07/16/2026
2.96
2.97
2.81
2.85
-4.36%
2,995,414
07/15/2026
2.94
3.00
2.89
2.98
+1.71%
2,862,398
07/14/2026
2.98
3.02
2.90
2.93
-2.01%
3,247,927
07/13/2026
3.01
3.02
2.92
2.99
-1.97%
2,457,098
07/10/2026
3.12
3.14
2.95
3.05
-2.24%
2,992,854
07/09/2026
3.11
3.15
3.04
3.12
+0.32%
2,876,992
07/08/2026
2.94
3.11
2.93
3.11
+2.98%
3,520,253
07/07/2026
3.08
3.12
2.96
3.02
-1.95%
4,619,754
07/06/2026
3.25
3.30
3.08
3.08
-2.53%
4,348,091
07/02/2026
3.18
3.26
3.10
3.16
+0.32%
4,077,524
07/01/2026
3.02
3.40
3.00
3.15
+3.62%
7,975,966
06/30/2026
2.95
3.14
2.91
3.04
+3.40%
4,332,464
06/29/2026
2.85
2.94
2.79
2.94
+4.26%
3,638,518
06/26/2026
2.85
2.90
2.74
2.82
-1.74%
17,105,420
06/25/2026
2.96
3.00
2.86
2.87
-2.71%
2,782,884
06/24/2026
2.92
3.04
2.92
2.95
+1.37%
3,494,053
06/23/2026
2.88
3.04
2.88
2.91
-0.68%
4,223,911
06/22/2026
2.84
3.05
2.83
2.93
+8.52%
5,776,510
06/18/2026
2.68
2.77
2.68
2.70
+2.27%
11,688,234
06/17/2026
2.65
2.71
2.62
2.64
+0.76%
3,570,898
06/16/2026
2.64
2.68
2.60
2.62
-0.76%
2,907,175
06/15/2026
2.62
2.68
2.58
2.64
+1.15%
3,516,863
06/12/2026
2.61
2.66
2.58
2.61
+0.77%
2,145,403
06/11/2026
2.62
2.65
2.57
2.59
-0.77%
3,425,331
06/10/2026
2.62
2.71
2.61
2.61
-1.88%
3,042,390
06/09/2026
2.77
2.80
2.62
2.66
-2.56%
3,352,798
06/08/2026
2.75
2.78
2.68
2.73
+0.74%
2,172,837
06/05/2026
2.92
2.92
2.69
2.71
-7.19%
3,129,223
06/04/2026
2.84
3.00
2.84
2.92
+1.74%
2,818,707
06/03/2026
2.93
2.95
2.84
2.87
-1.03%
3,011,941
06/02/2026
2.99
3.00
2.90
2.90
-3.65%
3,144,481
06/01/2026
3.02
3.05
2.93
3.01
-1.31%
2,294,436
05/29/2026
3.07
3.10
3.02
3.05
-0.65%
2,596,555
05/28/2026
2.98
3.13
2.98
3.07
+3.02%
3,932,808
05/27/2026
2.99
3.03
2.96
2.98
+1.71%
2,597,333
05/26/2026
2.90
3.00
2.89
2.93
+1.03%
2,154,009
05/22/2026
2.94
3.00
2.88
2.90
-1.02%
1,989,306
05/21/2026
2.80
2.93
2.77
2.93
+3.90%
3,062,637
05/20/2026
2.75
2.85
2.73
2.82
+2.92%
2,229,240
05/19/2026
2.80
2.84
2.73
2.74
-2.14%
2,514,293
05/18/2026
2.85
2.89
2.72
2.80
-1.75%
3,462,113
05/15/2026
2.90
2.94
2.81
2.85
-2.40%
2,286,710
05/14/2026
3.01
3.03
2.90
2.92
-3.31%
2,388,445
05/13/2026
2.98
3.04
2.89
3.02
-1.95%
3,584,637
05/13/2026
-$0.18 Earnings