Amphastar Pharmaceuticals, Inc. (AMPH)
NASDAQ: AMPH · Real-Time Price · USD
26.62
+0.63 (2.42%)
Jun 9, 2025, 4:00 PM - Market closed
Amphastar Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 9, 2025 | 26.17 | 26.86 | 26.10 | 26.62 | 26.62 | 2.42% | 514,539 |
| Jun 6, 2025 | 25.76 | 26.02 | 25.53 | 25.99 | 25.99 | 1.84% | 359,174 |
| Jun 5, 2025 | 25.90 | 25.91 | 25.19 | 25.52 | 25.52 | -1.31% | 555,176 |
| Jun 4, 2025 | 26.01 | 26.57 | 25.76 | 25.86 | 25.86 | -0.58% | 395,494 |
| Jun 3, 2025 | 25.39 | 26.17 | 25.13 | 26.01 | 26.01 | 2.48% | 526,276 |
| Jun 2, 2025 | 25.61 | 26.05 | 25.26 | 25.38 | 25.38 | -1.28% | 656,459 |
| May 30, 2025 | 25.59 | 25.92 | 25.15 | 25.71 | 25.71 | 0.27% | 460,917 |
| May 29, 2025 | 25.39 | 25.79 | 25.18 | 25.64 | 25.64 | 1.50% | 524,701 |
| May 28, 2025 | 25.51 | 25.69 | 25.12 | 25.26 | 25.26 | -1.06% | 476,426 |
| May 27, 2025 | 24.86 | 25.72 | 24.81 | 25.53 | 25.53 | 4.33% | 532,528 |
| May 23, 2025 | 23.74 | 24.49 | 23.74 | 24.47 | 24.47 | 1.12% | 548,566 |
| May 22, 2025 | 24.00 | 24.39 | 23.93 | 24.20 | 24.20 | 0.17% | 360,874 |
| May 21, 2025 | 24.81 | 24.84 | 24.15 | 24.16 | 24.16 | -3.63% | 341,435 |
| May 20, 2025 | 24.83 | 25.24 | 24.67 | 25.07 | 25.07 | 1.13% | 482,087 |
| May 19, 2025 | 24.64 | 24.93 | 24.43 | 24.79 | 24.79 | -0.28% | 359,141 |
| May 16, 2025 | 24.32 | 24.90 | 24.20 | 24.86 | 24.86 | 2.22% | 510,675 |
| May 15, 2025 | 23.41 | 24.70 | 23.20 | 24.32 | 24.32 | 4.38% | 667,744 |
| May 14, 2025 | 23.88 | 23.97 | 23.27 | 23.30 | 23.30 | -2.43% | 578,020 |
| May 13, 2025 | 24.21 | 24.42 | 23.77 | 23.88 | 23.88 | -1.89% | 444,961 |
| May 12, 2025 | 24.05 | 24.57 | 23.60 | 24.34 | 24.34 | 0.95% | 563,807 |
| May 9, 2025 | 24.54 | 25.03 | 23.30 | 24.11 | 24.11 | -2.19% | 790,224 |
| May 8, 2025 | 24.59 | 25.36 | 23.68 | 24.65 | 24.65 | 0.90% | 751,566 |
| May 7, 2025 | 24.03 | 24.61 | 23.95 | 24.43 | 24.43 | 2.35% | 819,850 |
| May 6, 2025 | 24.95 | 25.04 | 23.69 | 23.87 | 23.87 | -4.98% | 751,946 |
| May 5, 2025 | 24.46 | 25.37 | 24.34 | 25.12 | 25.12 | 2.53% | 681,271 |
| May 2, 2025 | 24.41 | 24.69 | 24.19 | 24.50 | 24.50 | 2.60% | 674,104 |
| May 1, 2025 | 24.19 | 24.54 | 23.76 | 23.88 | 23.88 | -2.17% | 562,396 |
| Apr 30, 2025 | 24.44 | 24.52 | 23.91 | 24.41 | 24.41 | -0.37% | 460,186 |
| Apr 29, 2025 | 24.35 | 24.61 | 24.19 | 24.50 | 24.50 | 0.37% | 296,382 |
| Apr 28, 2025 | 24.28 | 24.47 | 24.12 | 24.41 | 24.41 | 0.91% | 355,520 |
| Apr 25, 2025 | 23.97 | 24.25 | 23.63 | 24.19 | 24.19 | 0.50% | 235,287 |
| Apr 24, 2025 | 23.58 | 24.15 | 23.35 | 24.07 | 24.07 | 2.16% | 388,155 |
| Apr 23, 2025 | 24.40 | 24.69 | 23.46 | 23.56 | 23.56 | -1.55% | 317,446 |
| Apr 22, 2025 | 23.71 | 24.01 | 23.17 | 23.93 | 23.93 | 1.83% | 524,820 |
| Apr 21, 2025 | 23.21 | 23.59 | 22.84 | 23.50 | 23.50 | 0.64% | 486,542 |
| Apr 17, 2025 | 23.08 | 23.62 | 23.08 | 23.35 | 23.35 | 1.57% | 735,039 |
| Apr 16, 2025 | 23.62 | 23.74 | 22.64 | 22.99 | 22.99 | -2.17% | 904,628 |
| Apr 15, 2025 | 24.26 | 24.92 | 23.39 | 23.50 | 23.50 | -3.77% | 779,954 |
| Apr 14, 2025 | 24.55 | 24.77 | 23.94 | 24.42 | 24.42 | 1.08% | 523,512 |
| Apr 11, 2025 | 23.73 | 24.22 | 23.35 | 24.16 | 24.16 | 2.72% | 482,794 |
| Apr 10, 2025 | 24.99 | 25.01 | 22.74 | 23.52 | 23.52 | -6.78% | 840,599 |
| Apr 9, 2025 | 23.36 | 25.51 | 23.36 | 25.23 | 25.23 | 6.23% | 1,011,359 |
| Apr 8, 2025 | 25.47 | 25.66 | 23.72 | 23.75 | 23.75 | -5.00% | 972,673 |
| Apr 7, 2025 | 25.72 | 25.95 | 24.71 | 25.00 | 25.00 | -6.05% | 1,290,496 |
| Apr 4, 2025 | 26.34 | 27.02 | 26.14 | 26.61 | 26.61 | -2.31% | 699,446 |
| Apr 3, 2025 | 27.67 | 28.06 | 26.88 | 27.24 | 27.24 | -2.01% | 605,671 |
| Apr 2, 2025 | 27.99 | 28.29 | 27.02 | 27.80 | 27.80 | -1.73% | 717,778 |
| Apr 1, 2025 | 28.86 | 29.27 | 28.17 | 28.29 | 28.29 | -2.41% | 785,073 |
| Mar 31, 2025 | 28.22 | 29.18 | 28.01 | 28.99 | 28.99 | 1.97% | 547,881 |
| Mar 28, 2025 | 28.45 | 28.71 | 28.23 | 28.43 | 28.43 | -0.25% | 386,852 |