Amphastar Pharmaceuticals (AMPH) Insider Trading & Ownership $45.15 -0.73 (-1.59%) (As of 11:39 AM ET) Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Amphastar Pharmaceuticals (NASDAQ:AMPH) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage27.10%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)7Amount OfInsider Selling(Last 12 Months)$19.03 M Get AMPH Insider Trade Alerts Want to know when executives and insiders are buying or selling Amphastar Pharmaceuticals stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address AMPH Insider Buying and Selling by Quarter Ad Darwin"Start Earning Extra Income with Just $30"What if you could unlock a steady income stream from stocks priced under $30? Our new guide walks you through simple, effective options strategies designed for everyday investors. With step-by-step insights, you’ll learn how to transform familiar names like Ford and Intel into reliable monthly income generators.Claim Your Free Report Now: “Options Made Simple – 2 Affordable Stocks for Monthly Income” Amphastar Pharmaceuticals Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame * Start Date * End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails11/12/2024Richard K PrinsDirectorSell5,000$48.80$244,000.00 11/12/2024Rong ZhouEVPSell6,893$48.88$336,929.84 11/6/2024William J PetersCFOSell7,426$52.05$386,523.30 11/6/2024Yakob LiawatidewiEVPSell5,214$52.05$271,388.70 9/5/2024Floyd F PetersenDirectorSell3,000$46.47$139,410.00 8/26/2024Rong ZhouEVPSell4,000$48.35$193,400.00 Get Insider Trades Delivered To Your InboxEnter your email address below to receive a concise daily summary of insider buying activity, insider selling activity and changes in hedge fund holdings. 8/12/2024Richard K PrinsDirectorSell17,101$43.07$736,540.07 7/31/2024William J PetersCFOSell10,282$44.23$454,772.86 6/27/2024William J PetersCFOSell3,596$40.93$147,184.28 6/10/2024Floyd F PetersenDirectorSell3,000$41.40$124,200.00 6/3/2024Floyd F PetersenDirectorSell500$42.65$21,325.00 5/1/2024Floyd F PetersenDirectorSell500$41.67$20,835.00 4/1/2024Floyd F PetersenDirectorSell500$43.43$21,715.00 3/5/2024Michael A ZasloffDirectorSell12,500$47.18$589,750.00 3/1/2024Floyd F PetersenDirectorSell500$45.69$22,845.00 2/1/2024Floyd F PetersenDirectorSell500$53.10$26,550.00 1/10/2024Mary Z LuoCOOSell131,386$54.59$7,172,361.74 1/8/2024Mary Z LuoCOOSell133,644$58.93$7,875,640.92 1/2/2024Floyd F PetersenDirectorSell500$61.37$30,685.00 12/4/2023Rong ZhouEVPSell3,514$59.58$209,364.12 (Data available from 1/1/2013 forward) AMPH Insider Trading Activity - Frequently Asked Questions Who is on Amphastar Pharmaceuticals's Insider Roster? The list of insiders at Amphastar Pharmaceuticals includes Diane G Gerst, Floyd F Petersen, Howard Lee, Jack Y Zhang, Mary Z Luo, Michael A Zasloff, Richard K Prins, Rong Zhou, William J Peters, and Yakob Liawatidewi. Learn more on insiders at AMPH. What percentage of Amphastar Pharmaceuticals stock is owned by insiders? 27.10% of Amphastar Pharmaceuticals stock is owned by insiders. Learn more on AMPH's insider holdings. Which Amphastar Pharmaceuticals insiders have been selling company stock? The following insiders have sold AMPH shares in the last 24 months: Floyd F Petersen ($749,750.52), Howard Lee ($750,888.58), Mary Z Luo ($15,048,002.66), Michael A Zasloff ($1,636,169.98), Richard K Prins ($1,781,780.07), Rong Zhou ($1,934,675.24), William J Peters ($8,297,089.37), and Yakob Liawatidewi ($2,480,073.42). How much insider selling is happening at Amphastar Pharmaceuticals? Insiders have sold a total of 632,530 Amphastar Pharmaceuticals shares in the last 24 months for a total of $32,678,429.84 sold. Amphastar Pharmaceuticals Key ExecutivesDr. Ziping Luo Ph.D. (Age 74)Chairman of the Board, Chief Scientist & COO Compensation: $1.36MDr. Yongfeng Zhang Ph.D. (Age 77)Co-Founder, President, CEO, Chief Scientific Officer & Director Compensation: $2MMr. William J. Peters M.B.A. (Age 56)CFO, Executive VP of Finance, Treasurer & Director Compensation: $1.21M3 recent tradesMr. Jacob Liawatidewi M.B.A. (Age 50)Executive VP of Sales, Marketing & Corporate Administration Center, Corporate Secretary and Director Compensation: $880.1kMr. Rong Zhou M.S. (Age 65)Senior EVP of Production & EVP of Scientific Affairs Compensation: $962.3kMr. Dan Dischner M.B.A.Senior Vice President of Human Resources & Corporate CommunicationTony Marrs M.B.A.M.P.H., M.S., Executive VP of Regulatory Affairs & Clinical Operations More Insider Trading Tools from MarketBeat Related Companies Nuvalent Insider Ownership Elanco Animal Health Insider Ownership Lantheus Insider Ownership Blueprint Medicines Insider Ownership Cytokinetics Insider Ownership Viking Therapeutics Insider Ownership Krystal Biotech Insider Ownership TG Therapeutics Insider Ownership Crinetics Pharmaceuticals Insider Ownership Arcellx Insider Ownership Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles Zeta Global Holdings Insiders Buy Stock After Short-ReportServiceNow: Will the High-Flyer Finally Split in 2024?Insiders Selling Into 3 Rallies: Investors Should Do the OppositeInsiders Bet Big on These Small Cap StocksHere’s Why Etsy Management Is Investing $1 Billion in Buybacks This page (NASDAQ:AMPH) was last updated on 12/3/2024 by MarketBeat.com Staff From Our PartnersTim Sykes’ Urgent Trade Alert: “Make this move now”WARNING: 80 Wall Street banks are gearing up for MASSIVE D.C. shock This $2 trillion D.C. shock is NOT abou...Timothy Sykes | SponsoredMusk’s new company could top a trillion?The investment legend who predicted the rise of Bitcoin, Facebook and streaming services like Netflix… Just...Paradigm Press | SponsoredYour bank is lying to you.You might think you have your money in a high-yield savings account, but do you really? 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