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$AMPH: Amphastar Pharmaceuticals, Inc. - Common Stock





Clear duplicates of prices



2026-03-31
AMPH 2026-03-31 23:01:390.00 0.00 1.98%
2026-04-01
AMPH 2026-04-01 04:01:4921.80 7.84 1.98%
AMPH 2026-04-01 05:01:5221.80 17.92 0.10%
AMPH 2026-04-01 06:01:4821.57 17.92 0.10%
AMPH 2026-04-01 07:01:4721.57 18.50 0.10%
AMPH 2026-04-01 09:02:1021.74 19.59 1.51%
AMPH 2026-04-01 10:01:5919.75 19.71 0.78%
AMPH 2026-04-01 11:01:3919.88 19.85 1.51%
AMPH 2026-04-01 12:02:1319.98 19.96 1.98%
AMPH 2026-04-01 13:01:3120.07 20.05 2.45%
AMPH 2026-04-01 14:01:3120.11 20.09 2.71%
AMPH 2026-04-01 15:01:3420.18 20.16 3.07%
AMPH 2026-04-01 16:01:4320.64 18.50 3.43%
AMPH 2026-04-01 17:01:3820.64 18.50 4.13%
AMPH 2026-04-01 20:01:390.00 0.00 4.13%
2026-04-02
AMPH 2026-04-02 04:01:3032.38 16.03 -0.15%
AMPH 2026-04-02 05:01:2732.36 19.50 0.05%
AMPH 2026-04-02 07:01:1824.96 19.50 -1.68%
AMPH 2026-04-02 08:02:0622.84 19.73 -1.68%
AMPH 2026-04-02 09:01:2322.84 19.73 -1.43%
AMPH 2026-04-02 10:01:2720.30 20.26 0.26%
AMPH 2026-04-02 11:01:1620.48 20.44 1.12%
AMPH 2026-04-02 12:01:2420.44 20.43 1.02%
AMPH 2026-04-02 13:01:2120.43 20.39 0.92%
AMPH 2026-04-02 14:01:2320.50 20.49 1.38%
AMPH 2026-04-02 15:01:2620.44 20.42 1.23%
AMPH 2026-04-02 16:01:2420.85 20.05 1.12%
AMPH 2026-04-02 17:01:2620.85 20.05 1.09%
AMPH 2026-04-02 20:01:300.00 0.00 1.09%
2026-04-06
AMPH 2026-04-06 04:01:2832.46 8.30 1.09%
AMPH 2026-04-06 05:01:1932.35 8.18 0.40%
AMPH 2026-04-06 06:01:2432.33 8.30 2.47%
AMPH 2026-04-06 07:01:5021.80 19.78 2.47%
AMPH 2026-04-06 08:01:1621.80 19.78 0.40%
AMPH 2026-04-06 09:01:2421.80 19.78 0.00%
AMPH 2026-04-06 10:01:3020.41 20.37 -0.25%
AMPH 2026-04-06 11:01:2720.57 20.55 0.54%
AMPH 2026-04-06 12:01:2320.66 20.64 1.04%
AMPH 2026-04-06 13:01:2820.65 20.62 0.89%
AMPH 2026-04-06 14:01:3120.65 20.64 0.99%
AMPH 2026-04-06 16:01:5120.93 20.49 0.74%
AMPH 2026-04-06 17:01:2920.93 20.49 0.73%
AMPH 2026-04-06 19:01:2820.93 20.18 0.73%
AMPH 2026-04-06 20:01:400.00 0.00 0.73%
2026-04-07
AMPH 2026-04-07 04:01:2622.86 8.24 1.52%
AMPH 2026-04-07 05:01:3232.58 20.20 -0.34%
AMPH 2026-04-07 06:01:2932.54 20.20 -0.34%
AMPH 2026-04-07 07:01:2724.35 20.20 -0.34%
AMPH 2026-04-07 08:01:4223.88 20.20 -0.34%
AMPH 2026-04-07 09:01:2023.88 20.20 1.12%
AMPH 2026-04-07 10:01:2520.47 20.43 -0.54%
AMPH 2026-04-07 11:01:2620.33 20.30 -1.22%
AMPH 2026-04-07 12:01:3620.49 20.46 -0.44%
AMPH 2026-04-07 13:01:3320.63 20.60 0.24%
AMPH 2026-04-07 14:01:2920.68 20.65 0.49%
AMPH 2026-04-07 15:01:2620.59 20.55 0.05%
AMPH 2026-04-07 16:01:2720.88 17.73 1.47%
AMPH 2026-04-07 17:01:2720.88 17.05 1.46%
AMPH 2026-04-07 19:01:2620.88 16.92 1.51%
AMPH 2026-04-07 20:01:310.00 0.00 1.51%
2026-04-08
AMPH 2026-04-08 04:01:3029.00 8.27 1.51%
AMPH 2026-04-08 05:01:3323.90 8.24 0.24%
AMPH 2026-04-08 06:01:3221.88 8.24 0.15%
AMPH 2026-04-08 07:01:3921.88 18.86 0.97%
AMPH 2026-04-08 08:01:3221.88 19.05 0.97%
AMPH 2026-04-08 09:01:3121.88 18.86 0.63%
AMPH 2026-04-08 10:01:4020.76 20.70 0.73%
AMPH 2026-04-08 11:01:3720.38 20.32 -1.17%
AMPH 2026-04-08 12:01:2720.57 20.49 -0.44%
AMPH 2026-04-08 13:01:3420.47 20.46 -0.53%
AMPH 2026-04-08 14:01:3120.51 20.49 -0.34%
AMPH 2026-04-08 15:02:4920.27 20.23 -1.46%
AMPH 2026-04-08 16:01:3421.05 18.00 -0.83%
AMPH 2026-04-08 20:01:340.00 0.00 -0.83%
2026-04-09
AMPH 2026-04-09 04:01:4223.75 8.26 -0.83%
AMPH 2026-04-09 05:01:2922.20 18.39 0.19%
AMPH 2026-04-09 07:01:3822.88 18.50 -0.44%
AMPH 2026-04-09 08:01:5122.62 18.50 0.05%
AMPH 2026-04-09 09:01:2422.62 18.50 -1.90%
AMPH 2026-04-09 10:01:3120.71 20.66 1.46%
AMPH 2026-04-09 11:01:2420.88 20.85 2.33%
AMPH 2026-04-09 12:01:2121.09 21.04 3.30%
AMPH 2026-04-09 13:01:2521.15 21.11 3.60%
AMPH 2026-04-09 14:01:3121.06 21.04 3.21%
AMPH 2026-04-09 15:01:2620.99 20.96 2.87%
AMPH 2026-04-09 16:01:3021.88 19.55 2.33%
AMPH 2026-04-09 17:01:2921.88 19.55 2.35%
AMPH 2026-04-09 20:01:420.00 0.00 2.35%
2026-04-10
AMPH 2026-04-10 04:01:3023.75 8.35 2.35%
AMPH 2026-04-10 05:01:3123.75 8.35 0.00%
AMPH 2026-04-10 06:01:3923.50 8.35 0.00%
AMPH 2026-04-10 07:01:5621.80 17.37 0.00%
AMPH 2026-04-10 08:01:3021.80 16.46 -0.74%
AMPH 2026-04-10 09:01:3021.80 16.46 -1.27%
AMPH 2026-04-10 10:01:2120.97 20.88 0.29%
AMPH 2026-04-10 11:01:2420.81 20.77 -0.39%
AMPH 2026-04-10 12:03:0920.68 20.67 -0.93%
AMPH 2026-04-10 13:01:3520.66 20.65 -1.03%
AMPH 2026-04-10 14:01:3220.60 20.58 -1.37%
AMPH 2026-04-10 15:01:2520.49 20.46 -1.91%
AMPH 2026-04-10 16:01:3223.63 19.55 -2.70%
AMPH 2026-04-10 17:01:2723.63 19.55 -2.64%
AMPH 2026-04-10 18:01:3223.88 19.55 -2.64%
AMPH 2026-04-10 20:01:430.00 0.00 -2.64%
2026-04-13
AMPH 2026-04-13 04:01:3027.36 8.15 -2.64%
AMPH 2026-04-13 07:01:2224.35 16.92 -2.64%
AMPH 2026-04-13 09:01:2124.17 16.92 0.19%
AMPH 2026-04-13 10:01:2220.28 20.25 -0.57%
AMPH 2026-04-13 11:01:2020.55 20.51 0.81%
AMPH 2026-04-13 12:01:2520.75 20.73 1.82%
AMPH 2026-04-13 13:01:2920.96 20.94 2.78%
AMPH 2026-04-13 14:01:2121.03 21.01 3.21%
AMPH 2026-04-13 15:01:2921.05 21.03 3.21%
AMPH 2026-04-13 16:01:3921.58 19.68 4.74%
AMPH 2026-04-13 17:01:3321.58 19.68 4.86%
AMPH 2026-04-13 20:01:580.00 0.00 4.86%
2026-04-14
AMPH 2026-04-14 04:01:2433.65 8.55 4.86%
AMPH 2026-04-14 05:01:2133.53 8.66 0.00%
AMPH 2026-04-14 06:01:3033.62 8.66 0.00%
AMPH 2026-04-14 07:01:3124.35 18.00 0.00%
AMPH 2026-04-14 08:01:3324.35 18.52 0.00%
AMPH 2026-04-14 09:01:2223.65 18.52 -1.72%
AMPH 2026-04-14 10:01:2421.38 21.36 0.10%
AMPH 2026-04-14 11:01:3721.55 21.51 0.79%
AMPH 2026-04-14 12:01:2921.66 21.64 1.47%
AMPH 2026-04-14 13:01:3821.60 21.59 1.18%
AMPH 2026-04-14 14:01:2421.54 21.52 0.83%
AMPH 2026-04-14 15:01:2621.43 21.38 0.20%
AMPH 2026-04-14 16:01:2122.00 18.52 0.10%
AMPH 2026-04-14 17:01:2322.00 18.52 0.09%
AMPH 2026-04-14 20:01:400.00 0.00 0.09%
2026-04-15
AMPH 2026-04-15 04:01:2933.65 8.56 0.09%
AMPH 2026-04-15 06:01:2623.91 8.56 0.09%
AMPH 2026-04-15 07:01:2022.44 20.00 0.09%
AMPH 2026-04-15 08:01:1822.44 20.00 0.00%
AMPH 2026-04-15 09:01:2122.44 20.00 0.56%
AMPH 2026-04-15 10:05:4921.41 21.35 0.09%
AMPH 2026-04-15 11:01:2321.25 21.22 -0.56%
AMPH 2026-04-15 12:01:3221.39 21.36 0.00%
AMPH 2026-04-15 13:01:2821.30 21.28 -0.37%
AMPH 2026-04-15 14:01:2221.43 21.41 0.23%
AMPH 2026-04-15 15:01:3121.54 21.50 0.66%
AMPH 2026-04-15 16:01:3922.00 0.00 1.45%
AMPH 2026-04-15 17:01:4122.00 18.96 1.45%
AMPH 2026-04-15 18:01:3322.00 18.96 1.82%
AMPH 2026-04-15 20:01:410.00 0.00 1.82%
2026-04-16
AMPH 2026-04-16 04:01:5133.65 21.60 -0.23%
AMPH 2026-04-16 05:01:2933.65 21.60 1.36%
AMPH 2026-04-16 06:01:3333.65 21.60 0.00%
AMPH 2026-04-16 07:01:4924.35 21.60 0.00%
AMPH 2026-04-16 08:01:3023.88 21.65 -0.05%
AMPH 2026-04-16 09:01:2423.66 19.55 0.19%
AMPH 2026-04-16 10:01:1721.80 21.69 0.19%
AMPH 2026-04-16 11:01:2321.46 21.41 -1.08%
AMPH 2026-04-16 12:01:2721.82 21.79 0.61%
AMPH 2026-04-16 13:01:2321.87 21.86 0.84%
AMPH 2026-04-16 14:01:2421.90 21.88 1.08%
AMPH 2026-04-16 15:01:4822.00 21.98 1.50%
AMPH 2026-04-16 16:01:2823.63 20.00 0.60%
AMPH 2026-04-16 18:01:3924.35 20.00 0.60%
AMPH 2026-04-16 20:01:590.00 0.00 0.60%
2026-04-17
AMPH 2026-04-17 04:01:4033.65 18.30 0.60%
AMPH 2026-04-17 05:01:3633.65 8.73 -3.18%
AMPH 2026-04-17 07:01:4024.35 18.96 -3.18%
AMPH 2026-04-17 08:01:2824.35 19.75 0.00%
AMPH 2026-04-17 09:01:2328.16 19.98 0.69%
AMPH 2026-04-17 10:01:3822.21 22.18 1.85%
AMPH 2026-04-17 11:01:3522.45 22.42 2.95%
AMPH 2026-04-17 12:01:3922.62 22.58 3.74%
AMPH 2026-04-17 13:02:0622.73 22.72 4.29%
AMPH 2026-04-17 14:01:4922.75 22.71 4.34%
AMPH 2026-04-17 15:01:3722.75 22.73 4.34%
AMPH 2026-04-17 16:01:4226.05 18.96 4.95%
AMPH 2026-04-17 17:01:3926.05 18.96 5.50%
AMPH 2026-04-17 20:02:100.00 0.00 5.50%
2026-04-20
AMPH 2026-04-20 04:01:3028.11 9.16 5.50%
AMPH 2026-04-20 07:01:3026.05 20.58 5.50%
AMPH 2026-04-20 08:01:3526.05 20.62 5.50%
AMPH 2026-04-20 09:01:2722.85 18.73 -0.14%
AMPH 2026-04-20 10:01:2822.80 22.75 -0.50%
AMPH 2026-04-20 11:01:2023.00 22.98 0.55%
AMPH 2026-04-20 12:01:3123.15 23.14 1.24%
AMPH 2026-04-20 13:01:3023.11 23.10 1.05%
AMPH 2026-04-20 14:01:3323.13 23.11 1.15%
AMPH 2026-04-20 15:01:3523.08 23.06 0.83%
AMPH 2026-04-20 16:01:2026.05 22.00 0.22%
AMPH 2026-04-20 17:01:3024.74 22.00 0.22%
AMPH 2026-04-20 18:01:3524.81 22.00 0.22%
AMPH 2026-04-20 20:01:450.00 0.00 0.22%
2026-04-21
AMPH 2026-04-21 04:01:4124.85 9.17 0.22%
AMPH 2026-04-21 05:01:2927.36 9.17 -1.14%
AMPH 2026-04-21 06:01:2522.86 21.06 -1.14%
AMPH 2026-04-21 07:01:2226.05 20.49 -1.14%
AMPH 2026-04-21 09:01:2327.36 16.12 -1.14%
AMPH 2026-04-21 10:01:2722.25 22.15 -3.06%
AMPH 2026-04-21 11:01:2022.02 21.97 -4.02%
AMPH 2026-04-21 12:01:3221.61 21.59 -5.81%
AMPH 2026-04-21 13:01:3021.59 21.56 -5.81%
AMPH 2026-04-21 14:01:3021.40 21.33 -6.91%
AMPH 2026-04-21 15:01:4721.29 21.24 -7.26%
AMPH 2026-04-21 16:01:3921.63 21.00 -7.46%
AMPH 2026-04-21 20:01:280.00 0.00 -7.46%
2026-04-22
AMPH 2026-04-22 04:01:4124.98 8.53 -7.46%
AMPH 2026-04-22 05:01:3928.11 8.49 -7.46%
AMPH 2026-04-22 07:01:3223.88 21.00 -7.46%
AMPH 2026-04-22 09:01:2722.45 21.00 -0.83%
AMPH 2026-04-22 10:01:3021.46 21.31 0.79%
AMPH 2026-04-22 11:01:3921.32 21.29 0.39%
AMPH 2026-04-22 12:02:5521.37 21.34 0.65%
AMPH 2026-04-22 13:01:3121.23 21.22 0.04%
AMPH 2026-04-22 14:01:2421.10 21.09 -0.44%
AMPH 2026-04-22 15:01:4320.99 20.96 -1.00%
AMPH 2026-04-22 16:01:5421.40 20.58 -0.99%
AMPH 2026-04-22 20:01:460.00 0.00 -0.99%
2026-04-23
AMPH 2026-04-23 04:02:0030.00 8.43 -0.99%
AMPH 2026-04-23 05:01:4130.00 19.50 -0.99%
AMPH 2026-04-23 07:01:3226.05 19.50 -0.99%
AMPH 2026-04-23 09:01:2825.62 19.50 -0.99%
AMPH 2026-04-23 10:01:2421.01 20.97 0.00%
AMPH 2026-04-23 11:02:0021.03 21.00 0.19%
AMPH 2026-04-23 12:01:4221.07 21.04 0.33%
AMPH 2026-04-23 13:01:4020.91 20.87 -0.42%
AMPH 2026-04-23 14:01:4420.94 20.91 -0.24%
AMPH 2026-04-23 15:01:3620.95 20.92 -0.19%
AMPH 2026-04-23 16:01:3721.43 20.60 0.14%
AMPH 2026-04-23 20:01:420.00 0.00 0.14%
2026-04-24
AMPH 2026-04-24 04:01:4633.61 18.80 0.14%
AMPH 2026-04-24 05:01:3823.22 19.12 0.14%
AMPH 2026-04-24 06:01:3933.61 20.17 0.14%
AMPH 2026-04-24 07:01:2923.26 20.17 0.14%
AMPH 2026-04-24 08:01:3023.26 20.50 0.14%
AMPH 2026-04-24 09:01:2624.90 20.50 0.14%
AMPH 2026-04-24 10:01:3221.05 21.00 0.00%
AMPH 2026-04-24 11:01:2321.37 21.34 1.57%
AMPH 2026-04-24 12:01:3421.59 21.57 2.76%
AMPH 2026-04-24 13:01:2821.39 21.33 1.57%
AMPH 2026-04-24 14:01:2721.34 21.32 1.57%
AMPH 2026-04-24 15:01:3921.26 21.24 1.14%
AMPH 2026-04-24 16:01:3121.41 20.70 1.90%
AMPH 2026-04-24 20:02:070.00 0.00 1.90%
2026-04-27
AMPH 2026-04-27 04:01:4722.69 19.37 1.90%
AMPH 2026-04-27 05:01:3022.69 15.47 1.90%
AMPH 2026-04-27 07:01:3522.69 16.18 1.90%
AMPH 2026-04-27 09:01:2422.69 16.53 1.90%
AMPH 2026-04-27 10:01:2521.92 21.89 2.38%
AMPH 2026-04-27 11:01:2621.91 21.87 2.38%
AMPH 2026-04-27 12:01:2721.96 21.94 2.57%
AMPH 2026-04-27 13:01:2021.84 21.81 2.05%
AMPH 2026-04-27 14:01:3021.74 21.73 1.57%
AMPH 2026-04-27 15:01:2721.66 21.63 1.14%
AMPH 2026-04-27 16:01:3521.65 21.23 1.17%
AMPH 2026-04-27 18:01:1422.50 21.23 -0.14%
AMPH 2026-04-27 20:01:180.00 0.00 -0.14%
2026-04-28
AMPH 2026-04-28 04:01:2933.65 15.55 -0.14%
AMPH 2026-04-28 06:01:2130.95 15.55 -0.14%
AMPH 2026-04-28 07:01:2323.72 17.84 -0.14%
AMPH 2026-04-28 08:01:2523.96 17.84 -0.14%
AMPH 2026-04-28 09:01:2023.63 18.12 -0.14%
AMPH 2026-04-28 10:01:1721.85 21.61 0.47%
AMPH 2026-04-28 11:01:1821.85 21.82 0.89%
AMPH 2026-04-28 12:01:1921.92 21.85 1.21%
AMPH 2026-04-28 13:01:3321.82 21.80 0.84%
AMPH 2026-04-28 14:01:2322.00 21.98 1.63%
AMPH 2026-04-28 15:01:2222.02 21.99 1.63%
AMPH 2026-04-28 16:01:2722.50 21.40 0.83%
AMPH 2026-04-28 20:01:330.00 0.00 0.83%
2026-04-29
AMPH 2026-04-29 04:01:3433.45 15.55 0.83%
AMPH 2026-04-29 05:01:2233.65 21.70 0.83%
AMPH 2026-04-29 07:01:2423.96 21.70 0.83%
AMPH 2026-04-29 09:01:2423.63 20.58 -0.46%
AMPH 2026-04-29 10:01:2121.66 21.62 -0.88%
AMPH 2026-04-29 11:01:2121.81 21.74 -0.23%
AMPH 2026-04-29 12:01:2021.70 21.66 -0.65%
AMPH 2026-04-29 13:01:2321.67 21.65 -0.65%
AMPH 2026-04-29 14:01:3521.79 21.78 -0.14%
AMPH 2026-04-29 15:01:2121.69 21.67 -0.65%
AMPH 2026-04-29 16:01:250.00 21.21 -0.87%
AMPH 2026-04-29 17:01:3423.96 21.21 -0.87%
AMPH 2026-04-29 20:01:340.00 0.00 -0.87%
2026-04-30
AMPH 2026-04-30 04:01:2122.50 19.53 -0.96%
AMPH 2026-04-30 05:01:2222.50 19.50 -0.96%
AMPH 2026-04-30 07:01:2622.50 20.58 -0.96%
AMPH 2026-04-30 10:01:1721.85 21.82 0.92%
AMPH 2026-04-30 11:01:2021.71 21.68 0.37%
AMPH 2026-04-30 12:01:2022.12 22.06 2.25%
AMPH 2026-04-30 13:01:1422.33 22.25 3.21%
AMPH 2026-04-30 14:01:2322.30 22.24 3.07%
AMPH 2026-04-30 15:01:4222.23 22.15 2.61%
AMPH 2026-04-30 16:01:3022.39 21.70 1.57%
AMPH 2026-04-30 20:01:390.00 0.00 1.57%


We do not provide financial advice. All displayed data is the result of experiments, and a subjective assessment. All decisions that will be made based on this data are made at your own risk. Thank you for understanding.