Amphastar Pharmaceuticals (AMPH) Insider Trading & Ownership $43.77 -0.06 (-0.14%) (As of 12:32 PM 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)$18.82 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 Crypto 101 MediaCoins Set to Soar with a Pro-Crypto White HouseCoins Set to Soar with a Pro-Crypto White House President-Elect Donald Trump is reported to be holding over $3 Million worth of crypto – and he's not the only one at the top interested in digital assets…Click here to reserve your free seat at the Crypto Community Summit 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 (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 Revolution Medicines Insider Ownership Nuvalent Insider Ownership Lantheus Insider Ownership Elanco Animal Health Insider Ownership Blueprint Medicines Insider Ownership Cytokinetics Insider Ownership Viking Therapeutics Insider Ownership BridgeBio Pharma Insider Ownership Crinetics Pharmaceuticals Insider Ownership TG Therapeutics 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 Bargains Galore? 3 Stocks With Insider Buying in the MillionsInsiders Keep Buying These Stocks: 2 to Buy, 1 to AvoidZeta 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 Opposite This page (NASDAQ:AMPH) was last updated on 12/10/2024 by MarketBeat.com Staff From Our PartnersCoins Set to Soar with a Pro-Crypto White HouseCoins Set to Soar with a Pro-Crypto White House President-Elect Donald Trump is reported to be holding over...Crypto 101 Media | SponsoredURGENT: This Altcoin Opportunity Won’t Wait – Act NowAll of our key indicators are flashing the same signal: an altcoin season is fast approaching. 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