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$AMPH: Amphastar Pharmaceuticals, Inc. - Common Stock





Clear duplicates of prices



2025-10-02
AMPH 2025-10-02 22:01:290.00 0.00 -1.70%
2025-10-03
AMPH 2025-10-03 05:01:1235.28 22.13 -1.70%
AMPH 2025-10-03 07:01:1029.86 24.11 -1.70%
AMPH 2025-10-03 10:01:0427.03 26.73 1.67%
AMPH 2025-10-03 11:01:0227.07 27.02 2.00%
AMPH 2025-10-03 12:01:0526.76 26.68 0.67%
AMPH 2025-10-03 13:01:1126.73 26.69 0.74%
AMPH 2025-10-03 14:01:0626.85 26.82 1.19%
AMPH 2025-10-03 15:01:0426.76 26.73 0.89%
AMPH 2025-10-03 16:01:0527.40 26.25 0.89%
AMPH 2025-10-03 17:01:0627.26 24.11 2.52%
AMPH 2025-10-03 18:01:1028.28 24.11 2.52%
AMPH 2025-10-03 20:01:100.00 0.00 2.52%
2025-10-06
AMPH 2025-10-06 05:01:0535.28 21.88 2.52%
AMPH 2025-10-06 06:01:0427.00 26.94 0.74%
AMPH 2025-10-06 10:01:0926.69 26.52 -0.33%
AMPH 2025-10-06 11:01:0926.91 26.83 0.56%
AMPH 2025-10-06 12:01:1227.03 26.95 0.93%
AMPH 2025-10-06 13:01:1026.88 26.85 0.41%
AMPH 2025-10-06 14:01:1226.81 26.76 0.07%
AMPH 2025-10-06 15:01:1226.81 26.78 0.22%
AMPH 2025-10-06 16:01:1228.00 26.25 -0.59%
AMPH 2025-10-06 17:01:1327.09 24.11 -0.60%
AMPH 2025-10-06 18:01:1627.73 24.11 -0.60%
AMPH 2025-10-06 20:01:150.00 0.00 -0.60%
2025-10-07
AMPH 2025-10-07 05:01:1128.82 26.00 -0.60%
AMPH 2025-10-07 10:01:0826.63 26.49 -0.26%
AMPH 2025-10-07 11:01:0526.42 26.39 -0.60%
AMPH 2025-10-07 12:01:0826.42 26.38 -0.67%
AMPH 2025-10-07 13:01:0926.22 26.18 -1.31%
AMPH 2025-10-07 14:01:0926.28 26.26 -1.12%
AMPH 2025-10-07 15:01:1226.22 26.20 -1.31%
AMPH 2025-10-07 16:01:1328.00 25.50 -2.77%
AMPH 2025-10-07 17:01:1426.32 25.16 -2.78%
AMPH 2025-10-07 18:01:1429.86 25.16 -2.78%
AMPH 2025-10-07 20:01:180.00 0.00 -2.78%
2025-10-08
AMPH 2025-10-08 05:01:1235.28 25.50 1.84%
AMPH 2025-10-08 06:01:1135.28 21.88 1.84%
AMPH 2025-10-08 07:01:0929.86 23.35 1.84%
AMPH 2025-10-08 08:01:0729.86 23.63 1.84%
AMPH 2025-10-08 09:01:0829.85 25.83 1.84%
AMPH 2025-10-08 10:01:0626.24 26.01 1.43%
AMPH 2025-10-08 11:01:0726.19 26.13 1.28%
AMPH 2025-10-08 12:01:1126.25 26.20 1.62%
AMPH 2025-10-08 13:01:1326.24 26.18 1.50%
AMPH 2025-10-08 14:01:1326.13 26.09 1.09%
AMPH 2025-10-08 15:01:1325.98 25.95 0.60%
AMPH 2025-10-08 16:01:1528.00 25.50 0.60%
AMPH 2025-10-08 17:01:1426.47 23.25 0.62%
AMPH 2025-10-08 18:01:1529.86 23.25 0.62%
AMPH 2025-10-08 19:01:1228.46 23.25 0.62%
AMPH 2025-10-08 20:01:150.00 0.00 0.62%
2025-10-09
AMPH 2025-10-09 05:01:1334.73 21.62 -1.43%
AMPH 2025-10-09 06:01:1134.73 21.65 3.06%
AMPH 2025-10-09 07:01:1026.88 23.01 3.06%
AMPH 2025-10-09 08:01:0426.88 23.05 3.06%
AMPH 2025-10-09 09:01:0426.18 23.05 3.06%
AMPH 2025-10-09 10:01:0325.66 25.56 -1.51%
AMPH 2025-10-09 11:01:0325.19 25.12 -3.29%
AMPH 2025-10-09 12:01:0524.90 24.86 -4.26%
AMPH 2025-10-09 13:01:0625.03 24.99 -3.79%
AMPH 2025-10-09 14:01:0924.98 24.95 -3.99%
AMPH 2025-10-09 15:01:0825.01 24.99 -3.79%
AMPH 2025-10-09 16:01:1025.73 24.75 -3.91%
AMPH 2025-10-09 17:01:1025.73 24.75 -3.89%
AMPH 2025-10-09 20:01:170.00 0.00 -3.89%
2025-10-10
AMPH 2025-10-10 05:01:1135.28 21.62 1.31%
AMPH 2025-10-10 07:01:0628.44 22.57 1.31%
AMPH 2025-10-10 08:01:0328.44 22.84 1.31%
AMPH 2025-10-10 09:01:0528.44 24.00 1.31%
AMPH 2025-10-10 10:01:0424.41 24.26 -2.35%
AMPH 2025-10-10 11:01:0423.87 23.80 -4.46%
AMPH 2025-10-10 12:01:0523.75 23.71 -4.81%
AMPH 2025-10-10 13:01:1323.77 23.72 -4.62%
AMPH 2025-10-10 14:01:1523.72 23.69 -4.81%
AMPH 2025-10-10 15:01:1723.48 23.46 -5.77%
AMPH 2025-10-10 16:01:1326.01 23.31 -5.12%
AMPH 2025-10-10 17:01:1223.60 23.31 -5.33%
AMPH 2025-10-10 20:01:160.00 0.00 -5.33%
2025-10-13
AMPH 2025-10-13 07:01:1228.46 23.65 -5.33%
AMPH 2025-10-13 10:01:1824.03 23.91 1.36%
AMPH 2025-10-13 11:01:1423.65 23.61 0.00%
AMPH 2025-10-13 12:01:1423.60 23.57 -0.12%
AMPH 2025-10-13 13:01:1423.74 23.72 0.44%
AMPH 2025-10-13 14:01:1623.76 23.68 0.28%
AMPH 2025-10-13 15:01:1623.64 23.61 0.00%
AMPH 2025-10-13 16:01:1825.36 23.45 -0.44%
AMPH 2025-10-13 17:01:1323.96 23.45 -0.44%
AMPH 2025-10-13 18:01:1628.46 23.50 -0.44%
AMPH 2025-10-13 19:01:1628.46 23.45 -0.44%
AMPH 2025-10-13 20:01:180.00 0.00 -0.44%
2025-10-14
AMPH 2025-10-14 05:01:1535.28 20.99 -0.44%
AMPH 2025-10-14 07:01:1028.46 21.27 -0.44%
AMPH 2025-10-14 08:01:1128.46 20.99 -0.44%
AMPH 2025-10-14 10:01:0723.69 23.54 0.60%
AMPH 2025-10-14 11:01:0723.75 23.70 0.88%
AMPH 2025-10-14 12:01:0923.81 23.76 1.16%
AMPH 2025-10-14 13:01:0723.93 23.87 1.60%
AMPH 2025-10-14 14:01:1023.83 23.77 1.04%
AMPH 2025-10-14 15:01:1323.88 23.83 1.32%
AMPH 2025-10-14 16:01:1024.88 23.50 1.40%
AMPH 2025-10-14 17:01:1424.33 23.50 1.49%
AMPH 2025-10-14 18:01:0824.88 23.50 1.49%
AMPH 2025-10-14 19:01:1228.46 23.50 1.49%
AMPH 2025-10-14 20:01:120.00 0.00 1.49%
2025-10-15
AMPH 2025-10-15 05:01:0834.73 21.76 1.49%
AMPH 2025-10-15 06:01:0835.28 21.76 1.49%
AMPH 2025-10-15 07:01:1028.46 21.50 1.49%
AMPH 2025-10-15 09:01:0728.46 21.82 1.49%
AMPH 2025-10-15 10:01:0423.93 23.88 0.34%
AMPH 2025-10-15 11:01:0723.51 23.43 -1.66%
AMPH 2025-10-15 12:01:0923.28 23.23 -2.47%
AMPH 2025-10-15 13:01:1123.25 23.23 -2.59%
AMPH 2025-10-15 14:01:1123.15 23.09 -3.11%
AMPH 2025-10-15 15:01:1223.17 23.15 -2.93%
AMPH 2025-10-15 16:01:1123.67 23.00 -3.02%
AMPH 2025-10-15 17:01:1425.69 23.00 -2.98%
AMPH 2025-10-15 20:01:150.00 0.00 -2.98%
2025-10-16
AMPH 2025-10-16 05:01:1534.73 21.08 -2.98%
AMPH 2025-10-16 06:01:0934.67 21.08 -2.98%
AMPH 2025-10-16 07:01:0625.81 22.90 -2.98%
AMPH 2025-10-16 08:01:0626.05 22.90 -2.98%
AMPH 2025-10-16 09:01:0625.78 22.90 -2.98%
AMPH 2025-10-16 10:01:0623.24 23.15 0.08%
AMPH 2025-10-16 11:01:0123.26 23.20 0.34%
AMPH 2025-10-16 12:01:0423.30 23.27 0.71%
AMPH 2025-10-16 13:01:1323.40 23.37 1.01%
AMPH 2025-10-16 14:01:1323.27 23.20 0.46%
AMPH 2025-10-16 15:01:1723.02 23.00 -0.50%
AMPH 2025-10-16 16:01:1623.80 23.14 0.34%
AMPH 2025-10-16 17:01:1423.66 22.15 0.35%
AMPH 2025-10-16 18:01:1524.40 22.15 0.35%
AMPH 2025-10-16 20:01:160.00 0.00 0.35%
2025-10-17
AMPH 2025-10-17 05:01:1527.92 21.50 0.35%
AMPH 2025-10-17 06:01:1325.20 21.50 0.35%
AMPH 2025-10-17 07:01:1626.05 21.50 0.35%
AMPH 2025-10-17 08:01:0926.05 21.50 -0.73%
AMPH 2025-10-17 10:01:0423.25 23.20 0.09%
AMPH 2025-10-17 11:01:0323.62 23.57 1.73%
AMPH 2025-10-17 12:01:0623.81 23.78 2.55%
AMPH 2025-10-17 13:01:0723.85 23.84 2.72%
AMPH 2025-10-17 14:01:1023.86 23.85 2.72%
AMPH 2025-10-17 15:01:1023.84 23.82 2.64%
AMPH 2025-10-17 16:01:0923.95 23.50 2.46%
AMPH 2025-10-17 17:01:1326.05 23.50 2.45%
AMPH 2025-10-17 20:01:150.00 0.00 2.45%
2025-10-20
AMPH 2025-10-20 06:01:0829.19 21.50 2.45%
AMPH 2025-10-20 07:01:0626.05 21.50 2.45%
AMPH 2025-10-20 08:01:0526.05 23.79 2.45%
AMPH 2025-10-20 09:01:0526.05 23.78 2.45%
AMPH 2025-10-20 10:01:0324.00 23.94 0.65%
AMPH 2025-10-20 11:01:0623.86 23.79 0.09%
AMPH 2025-10-20 12:01:1123.74 23.69 -0.30%
AMPH 2025-10-20 13:01:1223.87 23.85 0.34%
AMPH 2025-10-20 14:01:1423.73 23.72 -0.22%
AMPH 2025-10-20 16:01:2024.12 23.65 -0.22%
AMPH 2025-10-20 17:01:1825.16 23.65 -0.21%
AMPH 2025-10-20 18:01:2026.58 23.65 -0.21%
AMPH 2025-10-20 20:01:180.00 0.00 -0.21%
2025-10-21
AMPH 2025-10-21 05:01:1731.44 21.50 -0.21%
AMPH 2025-10-21 07:01:1028.46 21.50 -0.21%
AMPH 2025-10-21 10:01:0223.92 23.85 0.71%
AMPH 2025-10-21 11:01:0424.34 24.30 2.48%
AMPH 2025-10-21 12:01:0224.16 24.13 1.77%
AMPH 2025-10-21 13:01:0724.01 23.98 1.05%
AMPH 2025-10-21 14:01:0924.14 24.12 1.68%
AMPH 2025-10-21 15:01:1324.13 24.12 1.68%
AMPH 2025-10-21 16:01:1924.40 23.90 2.27%
AMPH 2025-10-21 17:01:1624.72 23.70 2.28%
AMPH 2025-10-21 18:01:1628.46 23.70 2.28%
AMPH 2025-10-21 20:01:180.00 0.00 2.28%
2025-10-22
AMPH 2025-10-22 05:01:1928.92 21.50 2.28%
AMPH 2025-10-22 07:01:1128.46 24.26 2.28%
AMPH 2025-10-22 08:01:0428.46 22.06 2.28%
AMPH 2025-10-22 09:01:0327.13 23.60 3.12%
AMPH 2025-10-22 10:01:0524.18 24.14 -0.42%
AMPH 2025-10-22 11:01:0224.50 24.45 0.93%
AMPH 2025-10-22 12:01:1924.53 24.50 1.10%
AMPH 2025-10-22 13:01:3324.81 24.78 2.23%
AMPH 2025-10-22 14:01:2524.67 24.65 1.69%
AMPH 2025-10-22 15:01:2324.60 24.58 1.39%
AMPH 2025-10-22 16:01:3125.14 24.00 1.10%
AMPH 2025-10-22 17:01:2224.99 24.57 2.84%
AMPH 2025-10-22 18:01:2525.14 24.57 2.84%
AMPH 2025-10-22 19:01:2525.14 24.57 2.80%
AMPH 2025-10-22 20:01:240.00 0.00 2.80%
2025-10-23
AMPH 2025-10-23 05:01:3231.44 21.50 2.80%
AMPH 2025-10-23 06:01:2127.85 21.50 2.80%
AMPH 2025-10-23 08:01:1827.85 22.36 2.80%
AMPH 2025-10-23 09:01:1527.85 24.50 2.80%
AMPH 2025-10-23 10:01:1624.47 24.36 -0.58%
AMPH 2025-10-23 11:01:0924.37 24.32 -0.66%
AMPH 2025-10-23 12:01:1224.53 24.50 0.00%
AMPH 2025-10-23 13:01:2024.67 24.64 0.54%
AMPH 2025-10-23 14:01:1424.73 24.72 0.91%
AMPH 2025-10-23 15:01:1824.80 24.78 1.11%
AMPH 2025-10-23 16:01:2225.04 24.50 0.82%
AMPH 2025-10-23 17:01:2625.04 24.24 0.82%
AMPH 2025-10-23 18:01:2125.21 23.42 0.82%
AMPH 2025-10-23 20:01:240.00 0.00 0.82%
2025-10-24
AMPH 2025-10-24 05:01:2326.90 21.50 0.82%
AMPH 2025-10-24 09:01:1325.14 22.61 0.82%
AMPH 2025-10-24 10:01:1124.70 24.62 -0.12%
AMPH 2025-10-24 11:01:1024.65 24.61 -0.37%
AMPH 2025-10-24 12:01:1224.76 24.69 0.16%
AMPH 2025-10-24 13:01:2224.73 24.71 0.08%
AMPH 2025-10-24 14:01:2324.69 24.67 -0.12%
AMPH 2025-10-24 15:01:2324.59 24.57 -0.49%
AMPH 2025-10-24 16:01:2525.10 24.00 -0.77%
AMPH 2025-10-24 16:21:31
8-K Sec report https://www.sec.gov/Archives/edgar/data/1297184/000129718425000058/0001297184-25-000058-index.htm
8-K - Amphastar Pharmaceuticals, Inc. (0001297184) (Filer)
AMPH 2025-10-24 17:01:2524.52 24.05 -0.77%
AMPH 2025-10-24 18:01:3024.52 24.20 -0.77%
AMPH 2025-10-24 20:01:240.00 0.00 -0.77%
2025-10-27
AMPH 2025-10-27 05:01:3228.22 23.60 -0.77%
AMPH 2025-10-27 08:01:4428.22 22.43 -0.77%
AMPH 2025-10-27 10:01:3924.33 24.27 -0.93%
AMPH 2025-10-27 11:01:3424.36 24.33 -0.73%
AMPH 2025-10-27 12:01:3724.20 24.18 -1.29%
AMPH 2025-10-27 13:01:4024.44 24.41 -0.36%
AMPH 2025-10-27 14:01:4524.51 24.49 -0.04%
AMPH 2025-10-27 15:01:4724.38 24.36 -0.65%
AMPH 2025-10-27 16:01:2324.80 23.50 -1.94%
AMPH 2025-10-27 17:01:2924.50 22.00 -1.96%
AMPH 2025-10-27 18:01:3024.80 22.00 -1.96%
AMPH 2025-10-27 19:01:3024.80 24.05 -1.96%
AMPH 2025-10-27 20:01:260.00 0.00 -1.96%
2025-10-28
AMPH 2025-10-28 05:01:1934.69 21.77 -1.96%
AMPH 2025-10-28 06:01:1834.73 21.77 -1.96%
AMPH 2025-10-28 07:01:1528.46 21.77 -1.96%
AMPH 2025-10-28 09:01:2924.04 21.50 -1.96%
AMPH 2025-10-28 10:01:1623.86 23.77 -0.82%
AMPH 2025-10-28 11:01:0924.32 24.27 1.18%
AMPH 2025-10-28 12:01:2324.13 24.09 0.24%
AMPH 2025-10-28 13:01:3024.31 24.29 1.14%
AMPH 2025-10-28 14:01:1624.34 24.31 1.26%
AMPH 2025-10-28 15:01:1424.41 24.39 1.51%
AMPH 2025-10-28 16:01:2126.22 23.50 0.61%
AMPH 2025-10-28 17:01:2424.68 23.71 0.62%
AMPH 2025-10-28 18:01:1128.46 21.82 0.62%
AMPH 2025-10-28 20:01:090.00 0.00 0.62%
2025-10-29
AMPH 2025-10-29 05:01:1034.41 21.50 0.62%
AMPH 2025-10-29 06:01:1732.56 21.50 0.62%
AMPH 2025-10-29 07:01:0928.46 21.50 0.62%
AMPH 2025-10-29 10:01:0924.15 24.11 -0.08%
AMPH 2025-10-29 11:01:0924.35 24.31 0.75%
AMPH 2025-10-29 12:01:1724.53 24.52 1.41%
AMPH 2025-10-29 13:01:0924.61 24.58 1.75%
AMPH 2025-10-29 14:01:1024.75 24.67 2.16%
AMPH 2025-10-29 15:01:1324.36 24.32 0.75%
AMPH 2025-10-29 16:01:1628.00 23.50 0.29%
AMPH 2025-10-29 17:01:1624.72 23.77 0.29%
AMPH 2025-10-29 18:01:1227.13 23.00 0.29%
AMPH 2025-10-29 20:01:110.00 0.00 0.29%
2025-10-30
AMPH 2025-10-30 04:01:1325.14 0.00 0.29%
AMPH 2025-10-30 05:01:1025.14 21.50 0.29%
AMPH 2025-10-30 10:01:0924.25 24.19 -0.12%
AMPH 2025-10-30 11:01:1124.59 24.48 1.20%
AMPH 2025-10-30 12:01:1224.76 24.74 2.15%
AMPH 2025-10-30 13:01:1524.66 24.64 1.78%
AMPH 2025-10-30 14:01:1324.66 24.64 1.70%
AMPH 2025-10-30 15:01:1424.42 24.40 0.79%
AMPH 2025-10-30 16:01:1624.90 23.50 1.78%
AMPH 2025-10-30 17:01:1224.90 24.18 1.77%
AMPH 2025-10-30 18:01:1624.90 21.50 1.77%
AMPH 2025-10-30 20:01:210.00 0.00 1.77%
2025-10-31
AMPH 2025-10-31 05:01:1734.69 21.50 1.77%
AMPH 2025-10-31 07:01:1528.46 21.50 1.77%
AMPH 2025-10-31 10:01:1424.89 24.59 0.91%
AMPH 2025-10-31 11:01:1124.84 24.78 0.66%
AMPH 2025-10-31 12:01:1325.35 25.28 2.89%
AMPH 2025-10-31 13:01:1525.57 25.44 3.84%
AMPH 2025-10-31 14:01:3125.49 25.39 3.09%
AMPH 2025-10-31 15:01:1325.58 25.51 3.80%
AMPH 2025-10-31 16:02:5726.00 25.01 3.47%
AMPH 2025-10-31 17:01:1225.65 25.01 3.41%
AMPH 2025-10-31 18:01:2025.50 24.30 3.41%
AMPH 2025-10-31 20:01:150.00 0.00 3.41%


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