Amphastar Pharmaceuticals (AMPH) News Today $23.50 -0.92 (-3.77%) Closing price 04:00 PM EasternExtended Trading$25.55 +2.05 (+8.72%) As of 06:08 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Headlines Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock All Sources Trusted Sources MarketBeat Benzinga Bloomberg GuruFocus MarketWatch Motley Fool NASDAQ PR Newswire Reuters Seeking Alpha TalkMarkets The Street TipRanks The Wall Street Journal Wall Street Zen Yahoo Finance Source Sentiment refers to the positivity or negativity of each headline according to our language processing algorithm. Sentiment All Sentiments Very Positive Positive Neutral Negative Very Negative Most Recent April 2025 March 2025 February 2025 January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 October 2022 September 2022 August 2022 July 2022 June 2022 May 2022 Time Period 2 Reasons to Like AMPH and 1 to Stay SkepticalApril 15 at 5:38 PM | finance.yahoo.comIs Amphastar Pharmaceuticals, Inc. (AMPH) the Best Pharma Stock to Buy for Long Term Growth?April 15 at 3:16 PM | insidermonkey.comRenaissance Technologies LLC Has $19.51 Million Stake in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Renaissance Technologies LLC increased its stake in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 7.4% during the 4th quarter, according to its most recent Form 13F filing with the Securities and Exchange Commission (SEC). The fund owned 525,500 shares of the company's stApril 15 at 4:17 AM | marketbeat.comBessemer Group Inc. Buys 11,609 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Bessemer Group Inc. grew its position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 2.4% during the fourth quarter, according to the company in its most recent disclosure with the Securities & Exchange Commission. The firm owned 488,630 shares of the company's stock after puApril 13 at 6:16 AM | marketbeat.comNeedham & Company LLC Reaffirms Hold Rating for Amphastar Pharmaceuticals (NASDAQ:AMPH)April 13 at 2:05 AM | americanbankingnews.comAmphastar Pharmaceuticals' (AMPH) Hold Rating Reaffirmed at Needham & Company LLCNeedham & Company LLC restated a "hold" rating on shares of Amphastar Pharmaceuticals in a report on Thursday.April 12 at 10:59 AM | marketbeat.comAmphastar Pharmaceuticals, Inc.'s (NASDAQ:AMPH) Stock Has Been Sliding But Fundamentals Look Strong: Is The Market Wrong?April 11, 2025 | finance.yahoo.comRenaissance Group LLC Increases Holdings in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Renaissance Group LLC lifted its holdings in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 42.5% during the fourth quarter, according to its most recent 13F filing with the Securities and Exchange Commission (SEC). The firm owned 99,572 shares of the company's stock afterApril 11, 2025 | marketbeat.comFederated Hermes Inc. Sells 1,123,613 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Federated Hermes Inc. decreased its position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 57.7% during the fourth quarter, according to its most recent disclosure with the Securities and Exchange Commission. The firm owned 823,487 shares of the company's stock after selling 1,1April 11, 2025 | marketbeat.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Sets New 12-Month Low - Here's What HappenedAmphastar Pharmaceuticals (NASDAQ:AMPH) Hits New 52-Week Low - Should You Sell?April 9, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Position Raised by Dynamic Technology Lab Private LtdDynamic Technology Lab Private Ltd lifted its position in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 309.0% in the 4th quarter, according to its most recent disclosure with the SEC. The fund owned 19,150 shares of the company's stock after acquiring an additional 14,46April 8, 2025 | marketbeat.comTrexquant Investment LP Acquires 16,248 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Trexquant Investment LP increased its holdings in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 18.2% during the fourth quarter, according to the company in its most recent Form 13F filing with the SEC. The firm owned 105,528 shares of the company's stock after acquiringApril 7, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Director Floyd F. Petersen Sells 500 SharesAmphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Get Free Report) Director Floyd F. Petersen sold 500 shares of the firm's stock in a transaction that occurred on Tuesday, April 1st. The shares were sold at an average price of $28.38, for a total transaction of $14,190.00. Following the completion of the sale, the director now directly owns 73,909 shares in the company, valued at approximately $2,097,537.42. This trade represents a 0.67 % decrease in their position. The sale was disclosed in a filing with the Securities & Exchange Commission, which can be accessed through this hyperlink.April 4, 2025 | marketbeat.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Trading Down 3.1% - What's Next?Amphastar Pharmaceuticals (NASDAQ:AMPH) Shares Down 3.1% - What's Next?April 4, 2025 | marketbeat.comAmerican Century Companies Inc. Sells 167,575 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)American Century Companies Inc. decreased its position in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 26.2% in the 4th quarter, according to its most recent Form 13F filing with the Securities & Exchange Commission. The firm owned 472,017 shares of the company's stoApril 2, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc.: International Medication Systems, Ltd. Receives FDA's Drug Shortage Assistance AwardMarch 28, 2025 | finanznachrichten.deRaymond James Financial Inc. Takes Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Raymond James Financial Inc. bought a new stake in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) during the fourth quarter, according to its most recent disclosure with the SEC. The institutional investor bought 92,904 shares of the company's stock, valued at approximately $3,450,000March 28, 2025 | marketbeat.comQuantbot Technologies LP Takes Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Quantbot Technologies LP acquired a new position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) in the 4th quarter, according to its most recent disclosure with the Securities and Exchange Commission. The firm acquired 25,454 shares of the company's stock, valued at approximately $9March 26, 2025 | marketbeat.comFox Run Management L.L.C. Makes New $688,000 Investment in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Fox Run Management L.L.C. acquired a new stake in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) during the fourth quarter, according to its most recent Form 13F filing with the SEC. The fund acquired 18,526 shares of the company's stock, valued at approximately $688,000. Other hedge fMarch 25, 2025 | marketbeat.comIntech Investment Management LLC Purchases 29,167 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Intech Investment Management LLC boosted its position in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 224.6% during the 4th quarter, according to its most recent Form 13F filing with the Securities and Exchange Commission. The institutional investor owned 42,156 sharesMarch 23, 2025 | marketbeat.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Price Target Cut to $32.00 by Analysts at Piper SandlerPiper Sandler reduced their price target on Amphastar Pharmaceuticals from $36.00 to $32.00 and set a "neutral" rating for the company in a research report on Friday.March 22, 2025 | marketbeat.comBoston Partners Purchases New Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Boston Partners acquired a new position in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) during the 4th quarter, according to the company in its most recent filing with the Securities and Exchange Commission. The firm acquired 426,636 shares of the company's stock, valued atMarch 22, 2025 | marketbeat.comAmphastar price target lowered to $32 from $36 at Piper SandlerMarch 21, 2025 | markets.businessinsider.comAmundi Acquires 12,899 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Amundi grew its position in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 193.0% during the 4th quarter, according to its most recent 13F filing with the Securities and Exchange Commission (SEC). The firm owned 19,583 shares of the company's stock after buying an additionMarch 20, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Sold by Connor Clark & Lunn Investment Management Ltd.Connor Clark & Lunn Investment Management Ltd. decreased its holdings in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 19.5% during the 4th quarter, according to the company in its most recent disclosure with the Securities & Exchange Commission. The firm owned 67,367March 19, 2025 | marketbeat.comVictory Capital Management Inc. Sells 155,144 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Victory Capital Management Inc. lessened its holdings in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 71.0% during the fourth quarter, according to the company in its most recent filing with the Securities and Exchange Commission (SEC). The firm owned 63,387 shares of thMarch 18, 2025 | marketbeat.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Hits New 1-Year Low - Should You Sell?Amphastar Pharmaceuticals (NASDAQ:AMPH) Hits New 12-Month Low - Should You Sell?March 13, 2025 | marketbeat.comQ4 Earnings Highs And Lows: Amphastar Pharmaceuticals (NASDAQ:AMPH) Vs The Rest Of The Generic Pharmaceuticals StocksMarch 13, 2025 | msn.comWealthfront Advisers LLC Invests $9.27 Million in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Wealthfront Advisers LLC acquired a new position in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) in the fourth quarter, according to its most recent Form 13F filing with the Securities & Exchange Commission. The fund acquired 249,605 shares of the company's stock, valueMarch 13, 2025 | marketbeat.comAnalysts’ Opinions Are Mixed on These Healthcare Stocks: Trevi Therapeutics (TRVI) and Cross Country Healthcare (CCRN)March 10, 2025 | markets.businessinsider.comAmphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) CFO Sells $116,521.74 in StockAmphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Get Free Report) CFO William J. Peters sold 4,231 shares of the company's stock in a transaction that occurred on Tuesday, March 4th. The stock was sold at an average price of $27.54, for a total transaction of $116,521.74. Following the transaction, the chief financial officer now directly owns 97,363 shares of the company's stock, valued at $2,681,377.02. This trade represents a 4.16 % decrease in their position. The sale was disclosed in a legal filing with the SEC, which is available through the SEC website.March 7, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc.: Amphastar Pharmaceuticals to Present at the Barclays 27th Annual Global Healthcare ConferenceMarch 6, 2025 | finanznachrichten.deAmphastar Pharmaceuticals (NASDAQ:AMPH) Sets New 52-Week Low - Time to Sell?Amphastar Pharmaceuticals (NASDAQ:AMPH) Reaches New 1-Year Low - What's Next?March 1, 2025 | marketbeat.comAmphastar Pharmaceuticals (AMPH) Receives a Hold from Piper SandlerMarch 1, 2025 | markets.businessinsider.comAmphastar Pharmaceuticals Full Year 2024 Earnings: EPS Misses ExpectationsMarch 1, 2025 | finance.yahoo.comIs Amphastar Pharmaceuticals, Inc. (AMPH) the Best Small Cap Pharma Stocks to Buy Now?March 1, 2025 | msn.comIllumine Investment Management LLC Makes New $633,000 Investment in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)Illumine Investment Management LLC bought a new stake in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) in the 4th quarter, according to its most recent disclosure with the Securities and Exchange Commission (SEC). The institutional investor bought 17,049 shares of the compaMarch 1, 2025 | marketbeat.comAmphastar price target lowered to $36 from $44 at BofAMarch 1, 2025 | markets.businessinsider.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Releases Earnings Results, Misses Expectations By $0.18 EPSAmphastar Pharmaceuticals (NASDAQ:AMPH - Get Free Report) released its quarterly earnings results on Thursday. The company reported $0.83 earnings per share for the quarter, missing the consensus estimate of $1.01 by ($0.18). Amphastar Pharmaceuticals had a return on equity of 26.44% and a net margin of 21.80%.February 28, 2025 | marketbeat.comSpecialty Pharma Amphastar Stock Falls On Lower Than Expected Q4 Earnings, Analyst Sees Competitive HeadwindsFebruary 28, 2025 | benzinga.comAmphastar: Earnings Miss, Margins DropFebruary 28, 2025 | fool.comAmphastar Pharmaceuticals misses Q4 estimates, shares tumbleFebruary 28, 2025 | za.investing.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Misses Q4 Sales Targets, Stock Drops 12.1%February 28, 2025 | finance.yahoo.comAmphastar Pharmaceuticals Inc. (AMPH) Q4 2024 Earnings Call TranscriptFebruary 28, 2025 | seekingalpha.comAmphastar Pharmaceuticals' (NASDAQ:AMPH) 15% CAGR outpaced the company's earnings growth over the same five-year periodFebruary 27, 2025 | finance.yahoo.comD.A. Davidson & CO. Makes New $417,000 Investment in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)D.A. Davidson & CO. purchased a new position in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) during the fourth quarter, according to the company in its most recent Form 13F filing with the Securities and Exchange Commission. The institutional investor purchased 11,244 sharFebruary 26, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Sold by Allspring Global Investments Holdings LLCAllspring Global Investments Holdings LLC reduced its stake in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH - Free Report) by 42.0% in the 4th quarter, according to the company in its most recent filing with the Securities & Exchange Commission. The institutional investor owned 14,064 shares oFebruary 25, 2025 | marketbeat.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Stock Price Up 3.3% - Should You Buy?Amphastar Pharmaceuticals (NASDAQ:AMPH) Trading Up 3.3% - What's Next?February 24, 2025 | marketbeat.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Hits New 12-Month Low - Should You Sell?Amphastar Pharmaceuticals (NASDAQ:AMPH) Hits New 12-Month Low - Here's WhyFebruary 20, 2025 | marketbeat.comAmphastar Pharmaceuticals: A Gradual StrategyFebruary 19, 2025 | seekingalpha.com Remove Ads Get Amphastar Pharmaceuticals News Delivered to You Automatically Sign up to receive the latest news and ratings for AMPH and its competitors with MarketBeat's FREE daily newsletter. Email Address AMPH Media Mentions By Week AMPH Media Sentiment Learn about the media sentiment score. Each headline receives a score ranging from 2 (good news) to -2 (bad news). Our company news sentiment scores track the average news sentiment of articles about each company over the most recent 7 days in order to identify companies that are receiving positive press. AMPH News Sentiment▼1.090.80▲Average Medical News Sentiment AMPH News Coverage Learn about the media coverage comparison. We track news headlines from hundreds of news outlets and tag them by company. This chart compares the number of articles about this company in the last seven days compared with the average number of articles about this company on a typical week. AMPH Articles This Week▼104▲AMPH Articles Average Week Remove Ads Get Amphastar Pharmaceuticals News Delivered to You Automatically Sign up to receive the latest news and ratings for AMPH and its competitors with MarketBeat's FREE daily newsletter. 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