Amphastar Pharmaceuticals... (AMPH)
NASDAQ: AMPH
· Real-Time Price · USD
29.19
-0.20 (-0.68%)
At close: Sep 04, 2025, 3:59 PM
29.19
0.00%
After-hours: Sep 04, 2025, 04:11 PM EDT
AMPH Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 4, 2025 | 29.39 | 29.59 | 28.88 | 29.19 | 29.19 | -0.68% | 541,299 |
| Sep 3, 2025 | 30.49 | 31.10 | 29.29 | 29.39 | 29.39 | -4.61% | 567,057 |
| Sep 2, 2025 | 30.86 | 31.26 | 30.44 | 30.81 | 30.81 | 0.62% | 414,800 |
| Aug 29, 2025 | 30.21 | 30.81 | 30.18 | 30.62 | 30.62 | 1.19% | 290,925 |
| Aug 28, 2025 | 30.50 | 30.56 | 29.86 | 30.26 | 30.26 | -0.75% | 316,721 |
| Aug 27, 2025 | 30.10 | 30.95 | 30.10 | 30.49 | 30.49 | 0.49% | 326,146 |
| Aug 26, 2025 | 29.98 | 30.80 | 29.93 | 30.34 | 30.34 | 1.71% | 408,475 |
| Aug 25, 2025 | 30.53 | 30.55 | 29.47 | 29.83 | 29.83 | -2.20% | 374,400 |
| Aug 22, 2025 | 29.98 | 30.90 | 29.98 | 30.50 | 30.50 | 2.83% | 494,915 |
| Aug 21, 2025 | 29.57 | 30.42 | 29.43 | 29.66 | 29.66 | 0.14% | 491,400 |
| Aug 20, 2025 | 30.21 | 30.39 | 29.42 | 29.62 | 29.62 | -2.34% | 434,200 |
| Aug 19, 2025 | 29.93 | 30.99 | 29.85 | 30.33 | 30.33 | 1.92% | 527,820 |
| Aug 18, 2025 | 29.83 | 30.65 | 29.58 | 29.76 | 29.76 | -0.23% | 433,187 |
| Aug 15, 2025 | 30.21 | 30.63 | 29.82 | 29.83 | 29.83 | -1.26% | 652,000 |
| Aug 14, 2025 | 30.03 | 30.63 | 29.64 | 30.21 | 30.21 | -0.89% | 464,400 |
| Aug 13, 2025 | 30.44 | 31.23 | 30.00 | 30.48 | 30.48 | 0.43% | 1,016,810 |
| Aug 12, 2025 | 28.18 | 30.63 | 28.14 | 30.35 | 30.35 | 10.93% | 1,601,991 |
| Aug 11, 2025 | 24.73 | 27.41 | 24.69 | 27.36 | 27.36 | 14.91% | 1,816,531 |
| Aug 8, 2025 | 22.29 | 24.70 | 22.07 | 23.81 | 23.81 | 10.13% | 1,005,009 |
| Aug 7, 2025 | 21.15 | 21.74 | 20.70 | 21.62 | 21.62 | 3.84% | 705,613 |