December 11th, 2017
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Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)

18.39 +0.23 (+1.27%)
Streaming Delayed Price Updated: 3:58 PM EDT, May 22, 2026 Add to My Watchlist
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Price and Volume

Detailed Quote
Volume 387,250
Open 18.25
Bid (Size) 18.38 (2,200)
Ask (Size) 18.40 (1,100)
Prev. Close 18.16
Today's Range 17.93 - 18.41
52wk Range 16.64 - 31.26
Shares Outstanding 48,081,433
Dividend Yield N/A
Chart for (: )
Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News
News headline image
Why Amphastar Pharmaceuticals (AMPH) Stock Is Trading Lower Today
What Happened? Shares of pharmaceutical company Amphastar Pharmaceuticals (NASDAQAMPH) fell 2.8% in the morning session after Wells Fargo downgraded the comp... 
Via StockStory
News headline image
Amphastar Pharmaceuticals Tackles BAQSIMI Discount Pressure, Keeps Sales Outlook ↗
Amphastar Pharmaceuticals (NASDAQ:AMPH) executives said the company is taking steps to address rebate and discounting pressure on BAQSIMI while maintaining its full-year revenue outlook, according to... 
Via MarketBeat

Performance

YTD
-30.5%
-30.5%
1 Month
-13.3%
-13.3%
3 Month
-35.6%
-35.6%
6 Month
-27.5%
-27.5%
1 Year
-23.9%
-23.9%

More News

Read More
News headline image
The 5 Most Interesting Analyst Questions From Amphastar Pharmaceuticals’s Q1 Earnings Call
Via StockStory
Topics Earnings
News headline image
Q1 Earnings Roundup: Amphastar Pharmaceuticals (NASDAQ:AMPH) And The Rest Of The Pharmaceuticals Segment
Via StockStory
Topics Artificial Intelligence Intellectual Property
Amphastar (AMPH) Q1 2026 Earnings Transcript ↗
Via The Motley Fool
Amphastar Pharmaceuticals (NASDAQ:AMPH) Q1 Results Miss Estimates, Stock Slides After Hours ↗
Via Chartmill
News headline image
Amphastar Pharmaceuticals (NASDAQ:AMPH) Misses Q1 CY2026 Sales Expectations, Stock Drops
Via StockStory
Topics Artificial Intelligence
News headline image
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended March 31, 2026
Via ACCESS Newswire
News headline image
Amphastar Pharmaceuticals to Present at the 2026 Bank of America Health Care Conference
Via ACCESS Newswire
News headline image
Amphastar Pharmaceuticals (AMPH) To Report Earnings Tomorrow: Here Is What To Expect
Via StockStory
Topics Artificial Intelligence
Amphastar Pharmaceuticals (NASDAQ:AMPH) Stock Plummets After Q4 Earnings Miss Estimates ↗
Via Chartmill
Topics Earnings
News headline image
1 Cash-Producing Stock for Long-Term Investors and 2 We Turn Down
Via StockStory
News headline image
Amphastar Pharmaceuticals to Release First Quarter Earnings and Hold Conference Call on May 7, 2026
Via ACCESS Newswire
News headline image
Why Amphastar Pharmaceuticals (AMPH) Shares Are Sliding Today
Via StockStory
Topics Economy
News headline image
Amphastar Pharmaceuticals (AMPH): Buy, Sell, or Hold Post Q4 Earnings?
Via StockStory
Topics Stocks Supply Chain
News headline image
Bruker, Amneal, Amphastar Pharmaceuticals, Dentsply Sirona, and PacBio Stocks Trade Up, What You Need To Know
Via StockStory
Topics Economy
News headline image
1 Healthcare Stock to Target This Week and 2 We Avoid
Via StockStory
News headline image
Amphastar Pharmaceuticals to Present at the 25th Annual Needham Healthcare Conference
Via ACCESS Newswire
News headline image
1 Small-Cap Stock Worth Your Attention and 2 That Underwhelm
Via StockStory
News headline image
3 of Wall Street’s Favorite Stocks We Think Twice About
Via StockStory
News headline image
NeoGenomics, Natera, and Amphastar Pharmaceuticals Shares Skyrocket, What You Need To Know
Via StockStory
Topics Economy Stocks
News headline image
AMN Healthcare Services, RadNet, Evolent Health, Repligen, and Amphastar Pharmaceuticals Stocks Trade Down, What You Need To Know
Via StockStory
Topics Economy
News headline image
Generic Pharmaceuticals Stocks Q4 Highlights: Amphastar Pharmaceuticals (NASDAQ:AMPH)
Via StockStory
Topics Artificial Intelligence Intellectual Property
News headline image
Why Amphastar Pharmaceuticals (AMPH) Shares Are Plunging Today
Via StockStory
Topics Economy
News headline image
Amphastar (AMPH) Q4 2025 Earnings Call Transcript ↗
Via The Motley Fool
Topics Earnings Supply Chain

Frequently Asked Questions

Is Amphastar Pharmaceuticals, Inc. - Common Stock publicly traded?
Yes, Amphastar Pharmaceuticals, Inc. - Common Stock is publicly traded.
What exchange does Amphastar Pharmaceuticals, Inc. - Common Stock trade on?
Amphastar Pharmaceuticals, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Amphastar Pharmaceuticals, Inc. - Common Stock?
The ticker symbol for Amphastar Pharmaceuticals, Inc. - Common Stock is AMPH on the Nasdaq Stock Market
What is the current price of Amphastar Pharmaceuticals, Inc. - Common Stock?
The current price of Amphastar Pharmaceuticals, Inc. - Common Stock is 18.39
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 05/22/26 03:58 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 884.22M
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 884M shares outstanding.
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