Amphastar Pharmaceuticals, Inc (AMPH)

About Amphastar Pharmaceuticals, Inc

Amphastar Pharmaceuticals is a biopharmaceutical company that develops, manufactures, and commercializes technically challenging generic and proprietary injectable, inhalation, and intranasal products. It also sells active pharmaceutical ingredients and distributes its finished products through group purchasing organizations, drug wholesalers, and retailers.

AMPH at a glance

Ticker
AMPH
Company
Amphastar Pharmaceuticals, Inc
Exchange
NASDAQ
Sector
Pharmaceuticals

Research AMPH on Smallfolk

  • Earnings: Quarterly results, EPS and revenue history, and upcoming earnings dates.
  • Financials: Revenue, profit, margins and balance-sheet trends from SEC filings.
  • Institutional Ownership: Institutional ownership from 13F filings: the largest holders and who bought or sold last quarter.
  • Analyst Forecasts: Analyst ratings, price targets and AI-curated analyst reports.
  • Technical Analysis: Candlestick charts, RSI, MACD, moving averages and AI technical analysis.
  • Speculation: Options flow, short-sale volume and a daily read on speculation versus long-term holding.
  • Trade Analysis: An AI trade analysis that scores an entry, stop and target.
  • Events: Upcoming and recent company events, such as earnings calls and investor days.

Some research tools need a free Smallfolk account or a Smallfolk Pro plan.

HomePricingAboutGuidesAcademyTrendingInvestor Typesanalytical-owlsteady-tortoiseopportunistic-falconbalanced-dolphincontrariangrowth-hunterincome-builderrisk-managerTax-Free WealthGlobal Asset AllocationFooled by RandomnessGet Rich with OptionsHouse of CardsCoffee Can InvestingHow Markets FailGlobalization and Its DiscontentsAngel: How to Invest in Technology StartupsEconomics in One LessonThe Worldly PhilosophersA Short History of Financial EuphoriaHow Not to InvestPit BullDebt: The First 5,000 YearsGet Rich with DividendsThe Behavioral InvestorThe Five Rules for Successful Stock InvestingThe Lords of Easy MoneyUnderstanding OptionsI Will Teach You to Be RichThe Index CardYour Money and Your BrainA Man for All MarketsThe Bogleheads' Guide to InvestingThe Total Money MakeoverThe Intelligent REIT InvestorYour Money or Your LifeQuality of EarningsThe Millionaire MindBest Loser WinsThe Undercover EconomistThe Alchemy of FinanceThe Handbook of Fixed Income SecuritiesBarbarians at the GateHot CommoditiesThe FundFinancial ShenanigansMargin of SafetyMoney: Master the GameAbundanceThe Ascent of MoneySecrets of the Millionaire MindHow to Invest: Masters on the CraftThe Intelligent Asset AllocatorThe Simple Path to WealthA Mathematician Plays the Stock MarketThe Four Pillars of InvestingThe Snowball: Warren BuffettAdvances in Financial Machine LearningAgainst the Gods: The Remarkable Story of RiskThe Intelligent InvestorThe Misbehavior of MarketsThe Four Steps to the EpiphanyThe Mom TestThe Lean StartupAdaptive Markets: Financial Evolution at the Speed of ThoughtWhy Smart People Make Big Money MistakesRisk Savvy: How to Make Good DecisionsThe Man Who Solved the MarketThe Essays of Warren BuffettDie with ZeroFoolproof: Why Safety Can Be DangerousEnoughThe Psychology of MoneyThe End of AlchemyGrinding It OutThe Wealthy Barber ReturnsThinking, Fast and SlowThe Startup Owner's ManualYou Can Be a Stock Market GeniusThe Little Book of Common Sense InvestingThe Power of ZeroThe Little Book of Behavioral InvestingCapital Ideas: The Improbable Origins of Modern Wall StreetKing of CapitalThe Education of a SpeculatorLiar's PokerThe Infinite MachineReminiscences of a Stock OperatorChip WarMillionaire TeacherShoe DogFollowing the TrendIf You CanThe Warren Buffett WayThe Panic of 1819The Nvidia WayPoor Charlie's AlmanackSam Walton: Made in AmericaThis Time Is DifferentThe OutsidersPower PlayBeat the MarketThe FourFortune's FormulaExtraordinary Popular Delusions and the Madness of Crowds100 to 1 in the Stock MarketEquity Compensation StrategiesBuilt to LastTrading Commodities and Financial FuturesThe Culture CodeThe Road to SerfdomAngel Investing: The Gust Guide to Making Money and Having Fun Investing in StartupsBroken MoneyReworkPrinciples for Dealing with the Changing World OrderWhy Nations FailThe House of MorganThe Bond BookDevil Take the HindmostExpected ReturnsThe Book on Tax Strategies for the Savvy Real Estate InvestorThe New Case for GoldThe PrizeThe World for SaleAmazon UnboundBad BloodToo Big to FailGood to GreatHow Google WorksHatching TwitterHit RefreshTwo and TwentyThe Single Best InvestmentNudgeThe Lords of FinanceMachine Learning for Algorithmic TradingWhen Money DiesNo FilterNo Rules RulesSuper PumpedQuit Like a MillionaireThe Everything StoreSecurity AnalysisOption Volatility and PricingPioneering Portfolio ManagementStocks for the Long RunA Complete Guide to the Futures MarketThe Price of TimeIrrational ExuberanceManias, Panics, and CrashesAntifragileOptions as a Strategic InvestmentTrading Options GreeksTechnical Analysis of the Financial MarketsThe Black SwanThe Smartest Guys in the RoomDeep ValueValue Investing: From Graham to Buffett and BeyondDigital GoldVenture DealsCryptoassetsA Random Walk Down Wall StreetThe Bitcoin StandardCapitalism and FreedomConsider Your Options100 BaggersThe Dying of MoneyBeating the StreetThe Great ReversalThe Deficit MythThe Money MachineThe Banker's New ClothesCommon Stocks and Uncommon ProfitsThe Wealth of NationsBasic EconomicsThe Bible of Options StrategiesThe Ivy PortfolioSelling America ShortThe Art of Short SellingThe Bogleheads' Guide to Retirement PlanningJapanese Candlestick Charting TechniquesCapital in the Twenty-First CenturyTrade Your Way to Financial FreedomThe Art of Value InvestingThe Most Important ThingYou Can Be a Stock Market GeniusHow to Make Your Money LastOne Up on Wall StreetThe Great Inflation and Its AftermathMastering the Market CycleTitan: The Life of John D. RockefellerFreakonomicsThe AlchemistsThe Options PlaybookNaked EconomicsThe Book on Rental Property InvestingDead Companies WalkingThe Little Book That Still Beats the MarketElon MuskSteve JobsInsanely SimpleThe $100 StartupThe Hard Thing About Hard ThingsThe Stock Options BookThe Alpha MastersMore Money Than GodThe Big ShortWhen Genius FailedThe Price of TomorrowHow an Economy Grows and Why It CrashesDen of ThievesCrashed: How a Decade of Financial Crises Changed the WorldThe Great Crash 1929The House of MorganThe Panic of 1907The Creature from Jekyll IslandBroke MillennialThe Automatic MillionaireThink and Grow RichCovered Calls for BeginnersOptions Trading Crash CourseThe Rookie's Guide to OptionsGet Good with MoneyThe Barefoot InvestorThe Millionaire Next DoorThe Richest Man in BabylonThe Simple Path to WealthAll About Asset AllocationInfluencePredictably IrrationalSkin in the GameThinking in BetsRich Dad Poor DadThe Millionaire Real Estate InvestorHow Much Money Do I Need to Retire?Fooling Some of the People All of the TimeEvidence-Based Technical AnalysisHedge Fund Market WizardsMarket WizardsThe New Market WizardsFlash BoysTrading in the ZoneThe Little Book of Value InvestingThe Dhandho InvestorSecrets of Sand Hill RoadThe Power LawZero to OneA Wealth of Common SenseThe Only Investment Guide You'll Ever NeedMomentum Trading: Why It Works Until It Doesn'tHow to Generate Monthly Income from Stocks with Covered CallsHow to Recover from a Bag-Holding Stock Using Covered CallsWhy Most Investors Fail - And How to Avoid Their MistakesHow to Read Your Brokerage Statement Like a ProBehavioral Traps That Destroy Portfolio ReturnsThe True Cost of Trading: Fees, Spreads, and Hidden ChargesLearn Investing Through Book SummariesWhat Happens When You Buy Call Options?How to Manage Covered Calls: Rolling, Closing and Adjusting PositionsBest Stocks for Covered Calls: How to Pick the Right UnderlyingThe Wheel Strategy: How to Combine Covered Calls and Cash-Secured PutsOptions Greeks for Covered Call Sellers: Delta, Theta and Vega ExplainedTax Treatment of Covered Calls: What Every Options Trader Should KnowCovered Calls for Retirees: Generate Extra Income Without Risking Your Blue-Chip HoldingsBest Apps for Investors and Personal Finance in 2026Day Trading: Why the Dream They're Selling Doesn't Add UpWhen Is the Best Time to Sell a Covered Call?Covered Call vs. Cash-Secured Put: Which Strategy Is Better?When You Should Avoid Selling Covered CallsCall Options Explained: Strike Price, Expiration & PremiumCovered Call ETFs Explained: How They Work and Why They've Exploded in PopularityWhat Is a Covered Call? A Complete Beginner's GuideBest Stocks for Covered Calls in 2026Understanding Risk: What Your Brokerage Won't Teach YouDollar-Cost Averaging vs. Lump Sum: What the Data Actually ShowsBuilding a Long-Term Portfolio: Patience as a Competitive AdvantageWeekly vs Monthly Covered Calls: Which Is Better?How to Sell Covered Calls for Monthly IncomeThe Power of Compound Growth: Your Greatest Advantage as a Small InvestorThe Multi-Brokerage Problem: Why Your Financial Picture Is FragmentedWhat Institutional Investors Know That You Don'tHow to Evaluate Your Investment Performance Honestly