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Amphastar Pharmaceuticals Inc Stock (AMPH) Price History

The historical daily chart and data for Amphastar Pharmaceuticals Inc stock (AMPH), show that the latest closing stock price as of June 04, 2025, is $25.86.
  • Amphastar Pharmaceuticals Inc all-time high stock price is $67.66, occurred on August 09, 2023.
  • The lowest Amphastar Pharmaceuticals Inc stock price recorded was $6.67 on June 25, 2014. Since then, Amphastar Pharmaceuticals Inc's stock price has risen over 287.71% to $25.86 now.
  • The 52-week high stock price for AMPH is $53.95, representing a 108.64% increase from the current share price, occurred on November 06, 2024.
  • The 52-week low stock price for AMPH is $22.64, indicating a -12.45% decrease from the current share price, occurred on April 16, 2025.
  • The closing price of Amphastar Pharmaceuticals Inc (AMPH) stock in the beginning of 2024 was $23.07. The stock closed the year at $28.02, a gain of over 21.46% for the year.
The table below shows more information about AMPH historical price data:
Date High Low High - Low Volume % Change
Jun 04, 2025 $26.57 $25.75 $0.815 395,476.0 -0.58%
Jun 03, 2025 $26.17 $25.13 $1.04 526,254.0 +2.48%
Jun 02, 2025 $26.05 $25.26 $0.79 656,438.0 -1.28%
May 30, 2025 $25.92 $25.15 $0.7704 460,890.0 +0.27%
May 29, 2025 $25.79 $25.18 $0.61 524,677.0 +1.50%
May 28, 2025 $25.68 $25.12 $0.565 476,324.0 -1.06%
May 27, 2025 $25.72 $24.81 $0.91 532,528.0 +4.33%
May 23, 2025 $24.49 $23.74 $0.75 548,546.0 +1.12%
May 22, 2025 $24.39 $23.93 $0.4594 360,874.0 +0.17%
May 21, 2025 $24.84 $24.15 $0.685 341,425.0 -3.63%
May 20, 2025 $25.24 $24.67 $0.57 482,087.0 +1.13%
May 19, 2025 $24.93 $24.43 $0.50 359,028.0 -0.28%
May 16, 2025 $24.90 $24.20 $0.70 472,758.0 +2.22%
May 15, 2025 $24.70 $23.20 $1.50 667,744.0 +4.38%
May 14, 2025 $23.97 $23.27 $0.705 578,020.0 -2.43%
May 13, 2025 $24.42 $23.77 $0.6492 444,961.0 -1.89%
May 12, 2025 $24.57 $23.60 $0.965 563,773.0 +0.95%
May 09, 2025 $25.02 $23.30 $1.72 790,220.0 -2.19%
May 08, 2025 $25.36 $23.68 $1.68 751,553.0 +0.90%
May 07, 2025 $24.61 $23.95 $0.665 819,737.0 +2.35%
May 06, 2025 $25.04 $23.69 $1.35 751,736.0 -4.98%

Amphastar Pharmaceuticals Inc Stock (AMPH) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Amphastar Pharmaceuticals Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of AMPH shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Amphastar Pharmaceuticals Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Amphastar Pharmaceuticals Inc Stock (AMPH) Price History 2025

Month High Low High - Low Volume % Change
Jun, 2025 $26.57 $25.13 $1.44 1,973,644.0 +0.58%
May, 2025 $25.92 $23.20 $2.72 11,844,539.0 +5.33%
Apr, 2025 $29.27 $22.64 $6.63 13,298,283.0 -15.80%
Mar, 2025 $29.37 $25.89 $3.48 12,382,251.0 +1.97%
Feb, 2025 $34.39 $27.82 $6.57 10,545,190.0 -18.47%
Jan, 2025 $39.01 $34.60 $4.41 11,099,058.0 -6.09%

Amphastar Pharmaceuticals Inc Stock (AMPH) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $46.11 $36.80 $9.31 11,753,587.0 -18.48%
Nov, 2024 $53.95 $43.09 $10.86 8,864,599.0 -10.57%
Oct, 2024 $51.84 $45.50 $6.34 6,181,025.0 +4.12%
Sep, 2024 $50.62 $43.60 $7.02 7,247,128.0 -0.43%
Aug, 2024 $49.30 $38.42 $10.88 8,332,208.0 +11.99%
Jul, 2024 $44.25 $36.56 $7.69 8,991,845.0 +8.80%
Jun, 2024 $43.49 $39.53 $3.96 6,654,536.0 -5.50%
May, 2024 $46.62 $41.21 $5.41 7,425,781.0 +2.62%
Apr, 2024 $43.97 $38.43 $5.54 7,194,165.0 -6.06%
Mar, 2024 $48.00 $42.16 $5.84 9,536,304.0 -5.71%
Feb, 2024 $56.45 $44.58 $11.88 9,097,171.0 -12.72%
Jan, 2024 $65.92 $52.33 $13.59 11,255,123.0 -13.73%

Amphastar Pharmaceuticals Inc Stock (AMPH) Price History 2023

Month High Low High - Low Volume % Change
Dec, 2023 $63.67 $54.06 $9.61 9,226,713.0 +9.82%
Nov, 2023 $58.35 $44.42 $13.93 9,463,879.0 +24.41%
Oct, 2023 $48.50 $43.78 $4.72 6,909,249.0 -1.57%
Sep, 2023 $55.44 $44.86 $10.58 12,892,923.0 -13.73%
Aug, 2023 $67.66 $51.43 $16.23 8,441,845.0 -12.16%
Jul, 2023 $63.72 $54.53 $9.19 7,545,301.0 +5.60%
Jun, 2023 $58.70 $44.55 $14.16 11,258,527.0 +29.52%
May, 2023 $45.50 $35.69 $9.81 8,573,949.0 +24.04%
Apr, 2023 $44.15 $35.62 $8.53 8,031,621.0 -4.61%
Mar, 2023 $38.22 $33.61 $4.61 8,754,997.0 +17.70%
Feb, 2023 $33.13 $29.91 $3.22 4,105,630.0 +5.29%
Jan, 2023 $31.28 $27.58 $3.70 3,984,619.0 +7.99%
$8.59
price down icon 1.38%
drug_manufacturers_specialty_generic RDY
$14.75
price up icon 0.61%
$124.52
price down icon 0.38%
drug_manufacturers_specialty_generic HCM
$15.30
price up icon 4.08%
$323.97
price down icon 0.07%
$17.52
price up icon 1.92%
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