Amphastar Pharmaceuticals, Inc. engages in developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products, and insulin active pharmaceutical ingredient. It operates through Finished Pharmaceutical Products and Active Pharmaceutical Ingredients Products segments. The Finished Pharmaceutical Products segment manufactures, markets, and distributes Primatene Mist, enoxaparin, naloxone, phytonadione, lidocaine, and other critical and non-critical care drugs. The Active Pharmaceutical Ingredients Products segment offers RHI API and porcine insulin API for external customers and internal product development. The company was founded by Zi-Ping Luo and Yong Feng Zhang on February 29, 1996 and is headquartered in Rancho Cucamonga, CA.
Sector:
Health Technology
Industry:
Pharmaceuticals Major
Employees:
2,028
Frequently Asked Questions
What is Market Cap of Amphastar Pharmaceuticals Inc?
Market cap, also known as market capitalization, is the total market value of a company. It’s calculated by multiplying the current market price by the total number of shares outstanding. Amphastar Pharmaceuticals Inc market cap is $1.26B.
What is the 52-week high for Amphastar Pharmaceuticals Inc?
52 week high is the highest price of a stock in the past 52 weeks, or one year. Amphastar Pharmaceuticals Inc 52 week high is $53.96 as of September 17, 2025.
What is the 52-week low for Amphastar Pharmaceuticals Inc?
52 week low is the lowest price of a stock in the past 52 weeks, or one year. Amphastar Pharmaceuticals Inc 52 week low is $20.39 as of September 17, 2025.
What is Amphastar Pharmaceuticals Inc stock price today?
Amphastar Pharmaceuticals Inc stock price today is $27.19.
What was Amphastar Pharmaceuticals Inc stock price yesterday?
Amphastar Pharmaceuticals Inc stock price yesterday was $27.00.
What is the PE ratio of Amphastar Pharmaceuticals Inc?
The Price-to-Earnings (or P/E) ratio is a commonly used tool for valuing a company. It’s calculated by dividing the current share price by the earnings per share (or EPS). It can also be calculated by dividing the company’s Market Cap by the Net Profit. Amphastar Pharmaceuticals Inc’s P/E ratio is 10.11.
What is the Price-to-Book ratio of Amphastar Pharmaceuticals Inc?
The Price-to-Book (P/B) ratio is a commonly used tool for valuing a company. It’s calculated by dividing a company’s market capitalization by its book value. Amphastar Pharmaceuticals Inc P/B ratio is 1.6571.
What is the 50-day moving average of Amphastar Pharmaceuticals Inc?
The 50-day moving average is a frequently used data point by active investors and traders to understand the trend of a stock. It’s calculated by averaging the closing stock price over the previous 50 trading days. Amphastar Pharmaceuticals Inc 50-day moving average is $25.77.
How many employess does Amphastar Pharmaceuticals Inc has?
Amphastar Pharmaceuticals Inc has 2,028 employees.