2m 2m 2m 2m 2m 2m 2m
Amphastar Pharma (AMPH)
NASDAQ
$18.06-$0.39 (-2.14%)
Price as of Jun 03, 2026 4:57 PM EDT- $831.2MMarket Cap
- -29.07%1-Year Change
- Drug Manufacturers - Specialty & GenericIndustry
Amphastar Pharma (AMPH)
$18.06-$0.39 (-2.14%)
- 1 Month-18.87%Low Price$16.87High Price$24.03
- 3 Months-9.74%Low Price$16.87High Price$24.03
- 1 Year-28.65%Low Price$16.87High Price$30.81
Date
| Open | High | Low | Close | Change (%) | Volume |
|---|---|---|---|---|---|---|
06/02/2026 | 18.36 | 18.67 | 18.10 | 18.45 | +0.16% | 810,643 |
06/01/2026 | 18.63 | 19.01 | 18.22 | 18.42 | -2.28% | 569,685 |
05/29/2026 | 19.28 | 19.46 | 18.55 | 18.85 | -2.33% | 849,067 |
05/28/2026 | 19.04 | 19.55 | 19.02 | 19.30 | +1.05% | 621,218 |
05/27/2026 | 19.31 | 19.34 | 18.50 | 19.10 | +1.54% | 501,592 |
05/26/2026 | 18.45 | 19.12 | 18.45 | 18.81 | +2.17% | 670,766 |
05/22/2026 | 18.25 | 18.44 | 17.93 | 18.41 | +1.38% | 485,175 |
05/21/2026 | 18.07 | 18.37 | 17.76 | 18.16 | +0.44% | 1,656,977 |
05/20/2026 | 17.81 | 18.19 | 17.70 | 18.08 | +1.46% | 868,756 |
05/19/2026 | 17.28 | 17.91 | 17.00 | 17.82 | +3.60% | 725,146 |
05/18/2026 | 16.70 | 17.31 | 16.65 | 17.20 | +1.96% | 866,027 |
05/15/2026 | 17.27 | 17.53 | 16.76 | 16.87 | -2.49% | 679,289 |
05/14/2026 | 17.81 | 18.08 | 17.26 | 17.30 | -5.57% | 739,074 |
05/13/2026 | 17.50 | 18.57 | 17.43 | 18.32 | +4.69% | 971,188 |
05/12/2026 | 18.41 | 18.58 | 17.26 | 17.50 | -5.15% | 1,219,603 |
05/11/2026 | 19.13 | 19.41 | 18.33 | 18.45 | -2.89% | 1,359,763 |
05/08/2026 | 18.58 | 19.53 | 18.28 | 19.00 | -20.93% | 1,983,804 |
05/07/2026 | 24.01 | 24.35 | 23.87 | 24.03 | +0.54% | 373,521 |
05/07/2026 |
$0.42 Earnings | |||||
05/06/2026 | 23.50 | 24.15 | 23.50 | 23.90 | +2.18% | 392,763 |
05/05/2026 | 22.85 | 23.46 | 22.75 | 23.39 | +2.86% | 366,945 |
05/04/2026 | 21.82 | 23.22 | 21.72 | 22.74 | +3.93% | 487,139 |
05/01/2026 | 21.98 | 22.26 | 21.64 | 21.88 | -0.36% | 353,190 |
04/30/2026 | 21.63 | 22.36 | 21.57 | 21.96 | +1.53% | 407,242 |
04/29/2026 | 21.50 | 21.86 | 21.48 | 21.63 | -0.87% | 266,941 |
04/28/2026 | 21.71 | 22.04 | 21.56 | 21.82 | +0.79% | 281,225 |
04/27/2026 | 21.47 | 22.06 | 21.46 | 21.65 | +1.12% | 329,513 |
04/24/2026 | 21.05 | 21.60 | 20.77 | 21.41 | +1.90% | 429,703 |
04/23/2026 | 20.99 | 21.23 | 20.77 | 21.01 | +0.10% | 302,590 |
04/22/2026 | 21.40 | 21.59 | 20.77 | 20.99 | -1.04% | 410,802 |
04/21/2026 | 22.38 | 22.66 | 21.10 | 21.21 | -7.46% | 684,192 |
04/20/2026 | 22.67 | 23.26 | 22.54 | 22.92 | +0.17% | 542,349 |
04/17/2026 | 22.18 | 23.00 | 21.98 | 22.88 | +4.91% | 537,832 |
04/16/2026 | 21.67 | 22.02 | 21.41 | 21.81 | +0.60% | 361,313 |
04/15/2026 | 21.38 | 21.76 | 21.19 | 21.68 | +1.40% | 389,357 |
04/14/2026 | 21.36 | 21.70 | 21.12 | 21.38 | +0.09% | 343,451 |
04/13/2026 | 20.17 | 21.48 | 20.17 | 21.36 | +4.86% | 577,873 |
04/10/2026 | 20.98 | 21.10 | 20.14 | 20.37 | -2.40% | 354,457 |
04/09/2026 | 20.32 | 21.19 | 20.32 | 20.87 | +2.30% | 519,216 |
04/08/2026 | 20.68 | 21.07 | 20.18 | 20.40 | -0.87% | 613,466 |
04/07/2026 | 20.39 | 20.81 | 20.26 | 20.58 | 0.00% | 351,463 |
04/06/2026 | 20.45 | 20.73 | 20.04 | 20.58 | +0.64% | 344,067 |
04/02/2026 | 19.95 | 20.66 | 19.88 | 20.45 | +1.04% | 390,454 |
04/01/2026 | 19.74 | 20.31 | 19.68 | 20.24 | +3.32% | 677,388 |
03/31/2026 | 19.53 | 20.00 | 19.27 | 19.59 | +1.93% | 534,427 |
03/30/2026 | 19.15 | 19.67 | 19.07 | 19.22 | +1.10% | 410,715 |
03/27/2026 | 19.37 | 19.64 | 18.92 | 19.01 | -2.66% | 346,015 |
03/26/2026 | 19.50 | 19.80 | 18.98 | 19.53 | -0.20% | 363,470 |
03/25/2026 | 19.45 | 19.96 | 19.39 | 19.57 | +1.77% | 317,563 |
03/24/2026 | 19.10 | 19.57 | 18.98 | 19.23 | 0.00% | 367,780 |
03/23/2026 | 20.04 | 20.08 | 19.23 | 19.23 | -1.38% | 414,859 |
03/20/2026 | 19.56 | 19.76 | 19.15 | 19.50 | -0.20% | 1,133,340 |
03/19/2026 | 19.10 | 19.82 | 19.06 | 19.54 | +2.84% | 583,123 |
03/18/2026 | 19.21 | 19.47 | 18.97 | 19.00 | -2.61% | 650,426 |
03/17/2026 | 19.48 | 20.00 | 19.48 | 19.51 | +0.52% | 635,572 |
03/16/2026 | 18.93 | 19.46 | 18.65 | 19.41 | +6.77% | 737,990 |
03/13/2026 | 18.23 | 18.46 | 17.81 | 18.18 | +0.03% | 604,648 |
03/12/2026 | 18.58 | 18.58 | 17.03 | 18.18 | -3.17% | 901,683 |
03/11/2026 | 18.91 | 19.50 | 18.52 | 18.77 | -0.74% | 548,285 |
03/10/2026 | 19.21 | 19.57 | 18.84 | 18.91 | -1.56% | 527,204 |
03/09/2026 | 18.97 | 19.37 | 18.52 | 19.21 | -0.67% | 687,763 |
03/06/2026 | 20.05 | 20.08 | 18.94 | 19.34 | -5.38% | 753,758 |
03/05/2026 | 19.67 | 20.60 | 19.54 | 20.44 | +2.40% | 726,358 |
03/04/2026 | 19.97 | 20.20 | 19.56 | 19.96 | +0.66% | 594,999 |
03/03/2026 | 20.35 | 21.07 | 19.81 | 19.83 | -5.62% | 740,834 |
03/02/2026 | 20.30 | 21.14 | 19.95 | 21.01 | +3.86% | 1,261,290 |
02/27/2026 | 22.44 | 23.27 | 19.83 | 20.23 | -23.63% | 1,965,786 |
02/26/2026 | 28.00 | 28.17 | 26.27 | 26.49 | -5.29% | 816,455 |
02/26/2026 |
$0.73 Earnings | |||||
02/25/2026 | 27.73 | 27.99 | 27.03 | 27.97 | +1.08% | 415,986 |
02/24/2026 | 27.65 | 28.37 | 27.42 | 27.67 | +0.44% | 478,146 |
02/23/2026 | 28.42 | 28.75 | 27.19 | 27.55 | -3.43% | 496,697 |
02/20/2026 | 28.58 | 28.98 | 28.03 | 28.53 | -0.04% | 508,412 |
02/19/2026 | 28.56 | 28.71 | 28.42 | 28.54 | -0.42% | 340,673 |
02/18/2026 | 28.45 | 29.16 | 28.36 | 28.66 | +0.74% | 325,939 |
02/17/2026 | 28.65 | 29.23 | 28.39 | 28.45 | -0.18% | 316,867 |
02/13/2026 | 27.82 | 29.00 | 27.76 | 28.50 | +3.45% | 268,689 |
02/12/2026 | 28.62 | 28.62 | 27.24 | 27.55 | -3.64% | 437,541 |
02/11/2026 | 28.62 | 29.09 | 28.48 | 28.59 | +0.07% | 236,616 |
02/10/2026 | 28.75 | 28.92 | 28.49 | 28.57 | -0.14% | 182,574 |
02/09/2026 | 29.08 | 29.20 | 28.37 | 28.61 | -2.22% | 285,022 |
02/06/2026 | 28.61 | 29.46 | 28.61 | 29.26 | +2.20% | 343,842 |
02/05/2026 | 28.45 | 29.22 | 28.45 | 28.63 | +0.07% | 288,034 |
02/04/2026 | 28.79 | 29.37 | 28.56 | 28.61 | +1.31% | 378,851 |
02/03/2026 | 27.57 | 28.28 | 27.06 | 28.24 | +1.15% | 506,290 |
02/02/2026 | 26.36 | 28.13 | 26.34 | 27.92 | +5.40% | 444,060 |
01/30/2026 | 26.15 | 26.60 | 26.04 | 26.49 | +1.30% | 294,470 |
01/29/2026 | 26.10 | 26.43 | 25.80 | 26.15 | +0.11% | 184,370 |
01/28/2026 | 26.45 | 26.45 | 25.86 | 26.12 | -0.50% | 209,032 |
01/27/2026 | 26.39 | 26.58 | 25.81 | 26.25 | -1.32% | 264,507 |
01/26/2026 | 25.92 | 26.71 | 25.63 | 26.60 | +2.62% | 316,150 |
01/23/2026 | 26.03 | 26.37 | 25.81 | 25.92 | -0.86% | 269,462 |
01/22/2026 | 26.25 | 26.92 | 26.10 | 26.15 | -0.29% | 233,271 |
01/21/2026 | 25.96 | 26.59 | 25.93 | 26.22 | +1.04% | 251,623 |
01/20/2026 | 25.62 | 26.75 | 25.47 | 25.95 | -0.46% | 282,605 |
01/16/2026 | 25.94 | 26.23 | 25.42 | 26.07 | +0.27% | 286,949 |
01/15/2026 | 27.65 | 27.69 | 25.94 | 26.00 | -6.34% | 584,060 |
01/14/2026 | 28.80 | 29.20 | 27.61 | 27.76 | -3.98% | 472,419 |
01/13/2026 | 29.16 | 29.38 | 28.40 | 28.91 | -1.67% | 345,642 |
01/12/2026 | 28.05 | 29.52 | 27.31 | 29.40 | +5.98% | 455,860 |