Amphastar Pharmaceuticals (AMPH)
NASDAQ:AMPH
Time Period
1Y
Events
Historical Prices
Rows:
Apr 02, 2026
19.95
20.66
19.88
20.45
20.45
+1.04%
390,454
0.83
Apr 01, 2026
19.74
20.31
19.68
20.24
20.24
+3.32%
677,388
1.45
Mar 31, 2026
19.53
20.00
19.27
19.59
19.59
+1.93%
534,427
1.17
Mar 30, 2026
19.15
19.67
19.07
19.22
19.22
+1.10%
410,715
0.90
Mar 27, 2026
19.37
19.64
18.92
19.01
19.01
-2.66%
346,011
0.76
Mar 26, 2026
19.50
19.80
18.98
19.53
19.53
-0.20%
363,470
0.81
Mar 25, 2026
19.45
19.96
19.39
19.57
19.57
+1.77%
317,553
0.71
Mar 24, 2026
19.10
19.57
18.98
19.23
19.23
0.00%
367,780
0.83
Mar 23, 2026
20.04
20.08
19.23
19.23
19.23
-1.38%
414,859
0.94
Mar 20, 2026
19.56
19.76
19.15
19.50
19.50
-0.20%
1,133,239
2.66
Mar 19, 2026
19.10
19.82
19.06
19.54
19.54
+2.84%
582,227
1.37
Mar 18, 2026
19.21
19.47
18.97
19.00
19.00
-2.61%
650,426
1.52
Mar 17, 2026
19.48
20.00
19.48
19.51
19.51
+0.52%
635,570
1.50
Mar 16, 2026
18.93
19.46
18.65
19.41
19.41
+6.77%
737,990
1.77
Mar 13, 2026
18.23
18.46
17.81
18.18
18.18
+0.03%
604,646
1.45
Mar 12, 2026
18.58
18.58
17.03
18.18
18.18
-3.17%
901,668
2.20
Mar 11, 2026
18.91
19.50
18.52
18.77
18.77
-0.74%
548,285
1.35
Mar 10, 2026
19.21
19.57
18.84
18.91
18.91
-1.56%
527,104
1.31
Mar 09, 2026
18.97
19.37
18.52
19.21
19.21
-0.67%
687,647
1.72
Mar 06, 2026
20.05
20.08
18.94
19.34
19.34
-5.38%
753,758
1.91
Mar 05, 2026
19.67
20.60
19.54
20.44
20.44
+2.40%
726,358
1.88
Mar 04, 2026
19.97
20.20
19.56
19.96
19.96
+0.66%
594,999
1.55
Mar 03, 2026
20.35
21.07
19.81
19.83
19.83
-5.62%
740,834
1.96
Mar 02, 2026
20.30
21.14
19.95
21.01
21.01
+3.86%
1,261,290
3.48
Feb 27, 2026
22.44
23.27
19.83
20.23
20.23
-23.63%
1,965,786
5.81
Feb 26, 2026
28.00
28.17
26.27
26.49
26.49
-5.29%
816,455
2.47
Feb 25, 2026
27.73
27.99
27.03
27.97
27.97
+1.08%
415,986
1.27
Feb 24, 2026
27.65
28.37
27.42
27.67
27.67
+0.44%
478,146
1.49
Feb 23, 2026
28.42
28.75
27.19
27.55
27.55
-3.43%
496,697
1.56
Feb 20, 2026
28.58
28.98
28.03
28.53
28.53
-0.04%
508,412
1.61
Feb 19, 2026
28.56
28.71
28.42
28.54
28.54
-0.42%
340,673
1.08
Feb 18, 2026
28.45
29.16
28.36
28.66
28.66
+0.74%
325,939
1.03
Feb 17, 2026
28.65
29.23
28.39
28.45
28.45
-0.18%
316,867
0.99
Feb 16, 2026
27.82
29.00
27.76
28.50
28.50
0.00%
0
0.00
Feb 13, 2026
27.82
29.00
27.76
28.50
28.50
+3.45%
268,689
0.81
Feb 12, 2026
28.62
28.62
27.24
27.55
27.55
-3.64%
437,541
1.33
Feb 11, 2026
28.62
29.09
28.48
28.59
28.59
-0.07%
236,616
0.72
Feb 10, 2026
28.75
28.92
28.49
28.57
28.57
-0.14%
182,574
0.54
Feb 09, 2026
29.08
29.20
28.37
28.61
28.61
-2.22%
285,022
0.83
Feb 06, 2026
28.61
29.46
28.61
29.26
29.26
+2.20%
343,842
1.00
Feb 05, 2026
28.45
29.22
28.45
28.63
28.63
+0.07%
288,034
0.81
Feb 04, 2026
28.79
29.37
28.56
28.61
28.61
+1.31%
378,851
1.05
Feb 03, 2026
27.57
28.28
27.06
28.24
28.24
+1.15%
506,290
1.39
Feb 02, 2026
26.36
28.13
26.34
27.92
27.92
+5.40%
444,060
1.22
Jan 30, 2026
26.15
26.60
26.04
26.49
26.49
+1.30%
294,470
0.81
Jan 29, 2026
26.10
26.43
25.80
26.15
26.15
+0.11%
184,370
0.50
Jan 28, 2026
26.45
26.45
25.86
26.12
26.12
-0.50%
209,032
0.56
Jan 27, 2026
26.39
26.58
25.81
26.25
26.25
-1.32%
264,507
0.70
Jan 26, 2026
25.92
26.71
25.63
26.60
26.60
+2.62%
316,150
0.84
Jan 23, 2026
26.03
26.37
25.81
25.92
25.92
-0.86%
269,462
0.72
Rows: