Amphastar Pharmaceuticals (AMPH) News Today $28.06 -0.62 (-2.16%) Closing price 04:00 PM EasternExtended Trading$28.04 -0.01 (-0.05%) As of 06:35 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 ForecastsChartCompetitorsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock AMPH Latest News All Sources Trusted Sources MarketBeat Barchart Benzinga Bloomberg GlobeNewswire 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 September 2025 August 2025 July 2025 June 2025 May 2025 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 Time Period Hazeltree Report: Large-Cap Tech Shorts Rise, Index Hedges Reappear; EMEA/APAC See Sharp Utilization SpikesSeptember 11 at 2:16 PM | finance.yahoo.comAristeia Capital L.L.C. Sells 9,400 Shares of Amphastar Pharmaceuticals, Inc. $AMPHSeptember 10 at 7:24 AM | marketbeat.comA Fresh Look at Amphastar Pharmaceuticals (AMPH) Valuation After Recent Share Price MomentumSeptember 10 at 3:20 AM | finance.yahoo.comGraham Capital Management L.P. Invests $766,000 in Amphastar Pharmaceuticals, Inc. $AMPHSeptember 7, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc. $AMPH Shares Sold by Trexquant Investment LPSeptember 6, 2025 | marketbeat.comA Look Back at Generic Pharmaceuticals Stocks’ Q2 Earnings: Amphastar Pharmaceuticals (NASDAQ:AMPH) Vs The Rest Of The PackSeptember 5, 2025 | finance.yahoo.comNorthern Trust Corp Sells 18,733 Shares of Amphastar Pharmaceuticals, Inc. $AMPHSeptember 4, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc. (AMPH) Presents at Wells Fargo 20th Annual Healthcare Conference 2025 - SlideshowSeptember 4, 2025 | seekingalpha.comAmphastar Pharmaceuticals, Inc. (AMPH) Secures FDA Approval for Generic Iron Sucrose InjectionSeptember 2, 2025 | finance.yahoo.comNuveen LLC Purchases New Position in Amphastar Pharmaceuticals, Inc. $AMPHAugust 31, 2025 | marketbeat.comEpoch Investment Partners Inc. Has $36.57 Million Holdings in Amphastar Pharmaceuticals, Inc. $AMPHAugust 29, 2025 | marketbeat.comAmerican Century Companies Inc. Lowers Stock Holdings in Amphastar Pharmaceuticals, Inc. $AMPHAugust 29, 2025 | marketbeat.comCharles Schwab Investment Management Inc. Sells 21,286 Shares of Amphastar Pharmaceuticals, Inc. $AMPHAugust 28, 2025 | marketbeat.comHotchkis & Wiley Capital Management LLC Buys 32,630 Shares of Amphastar Pharmaceuticals, Inc. $AMPHAugust 27, 2025 | marketbeat.comMartingale Asset Management L P Trims Stock Position in Amphastar Pharmaceuticals, Inc. $AMPHAugust 27, 2025 | marketbeat.comAlgert Global LLC Takes Position in Amphastar Pharmaceuticals, Inc. $AMPHAugust 27, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc. $AMPH Shares Sold by Invesco Ltd.August 27, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc. $AMPH Shares Bought by Systematic Financial Management LPAugust 26, 2025 | marketbeat.comVanguard Group Inc. Has $70.24 Million Holdings in Amphastar Pharmaceuticals, Inc. $AMPHAugust 26, 2025 | marketbeat.comFuller & Thaler Asset Management Inc. Boosts Stake in Amphastar Pharmaceuticals, Inc. $AMPHAugust 22, 2025 | marketbeat.comPublic Sector Pension Investment Board Acquires 25,455 Shares of Amphastar Pharmaceuticals, Inc. $AMPHAugust 21, 2025 | marketbeat.comAmphastar Pharmaceuticals, Inc. $AMPH Shares Sold by Connor Clark & Lunn Investment Management Ltd.August 19, 2025 | marketbeat.com5 Insightful Analyst Questions From Amphastar Pharmaceuticals’s Q2 Earnings CallAugust 15, 2025 | msn.com05 Insightful Analyst Questions From Amphastar Pharmaceuticals’s Q2 Earnings CallAugust 14, 2025 | msn.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Raised to "Buy" at Needham & Company LLCAugust 13, 2025 | marketbeat.comAmphastar Pharmaceuticals’ Mixed Earnings Call HighlightsAugust 13, 2025 | msn.comAmphastar stock gains after licensing deal for three peptide therapiesAugust 12, 2025 | investing.comAmphastar boosts pipeline with exclusive licensing deal from Nanjing AnjiAugust 12, 2025 | msn.comAmphastar raised to Buy at Needham on iron sucrose injection approvalAugust 12, 2025 | msn.comAmphastar Pharmaceuticals, QuidelOrtho, Integra LifeSciences, Select Medical, and Regeneron Stocks Trade Up, What You Need To KnowAugust 12, 2025 | msn.comAmphastar Shares Climb on Exclusive Licensing Deal for Three Peptide TherapiesAugust 12, 2025 | msn.comAmphastar Secures FDA Nod For Iron Sucrose Injection, Analysts Eye Major Sales MomentumAugust 12, 2025 | benzinga.comAmphastar Pharmaceuticals, Inc.: Amphastar Announces FDA Approval for Iron Sucrose Injection, USPAugust 11, 2025 | finanznachrichten.deAmphastar stock rises after FDA approves generic iron sucrose injectionAugust 11, 2025 | uk.investing.comWhy Is Amphastar Pharmaceuticals (AMPH) Stock Soaring TodayAugust 11, 2025 | uk.finance.yahoo.comAmphastar Shares Rise Following FDA Approval of Generic Iron Sucrose InjectionAugust 11, 2025 | msn.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Stock Price Up 12.1% - Here's WhyAugust 10, 2025 | marketbeat.comAmphastar Pharmaceuticals Second Quarter 2025 Earnings: EPS Beats ExpectationsAugust 9, 2025 | finance.yahoo.comAmphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Q2 2025 Earnings Call TranscriptAugust 9, 2025 | msn.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Price Target Cut to $25.00 by Analysts at Piper SandlerAugust 9, 2025 | marketbeat.comAmphastar Pharmaceuticals Inc (AMPH) Q2 2025 Earnings Call Highlights: Strong Vaccine Sales and ...August 9, 2025 | finance.yahoo.comAmphastar advances U.S. manufacturing expansion and signals flat 2025 revenue outlook amid competitive pressuresAugust 8, 2025 | msn.comAmphastar (AMPH) Q2 2025 Earnings Call TranscriptAugust 8, 2025 | fool.comAmphastar Pharmaceuticals (NASDAQ:AMPH) Misses Q2 Sales Targets, But Stock Soars 6%August 8, 2025 | finance.yahoo.comAmphastar Pharmaceuticals, Inc. (AMPH) Q2 2025 Earnings Call TranscriptAugust 8, 2025 | seekingalpha.comAmphastar Pharmaceuticals, Inc. 2025 Q2 - Results - Earnings Call PresentationAugust 8, 2025 | seekingalpha.com18,358 Shares in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Purchased by XTX Topco LtdAugust 7, 2025 | marketbeat.comAmphastar Pharmaceuticals (AMPH) Reports Q2: Everything You Need To Know Ahead Of EarningsAugust 6, 2025 | finance.yahoo.comInvestors in Amphastar Pharmaceuticals (NASDAQ:AMPH) have unfortunately lost 47% over the last yearAugust 5, 2025 | finance.yahoo.comFloyd F. Petersen Sells 500 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) StockAugust 5, 2025 | insidertrades.com 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. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. 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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▼75▲AMPH Articles Average Week Get the Latest News and Ratings for AMPH and Related Stocks Enter your email address to receive the latest news and analysts' ratings for Amphastar Pharmaceuticals and its competitors. Sign Up View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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