Amphastar Pharmaceuticals (AMPH) Insider Trading & Ownership → SHOCKING Crypto Leak… (From Crypto 101 Media) (Ad) Free AMPH Stock Alerts $42.22 -0.03 (-0.07%) (As of 06/4/2024 ET) Add Compare Share Share Insider TradesStock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsStock 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)$24.67 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 OIC[Webinar] Understanding Covered CallsDiscover the details of this option-selling strategy.Click here to register now. 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 TransactionDetails5/1/2024Floyd 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 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. 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 12/1/2023Floyd F PetersenDirectorSell500$57.90$28,950.00 12/1/2023Rong ZhouEVPSell4,316$58.58$252,831.28 11/17/2023Richard K PrinsDirectorSell4,000$55.86$223,440.00 11/13/2023Richard K PrinsDirectorSell5,000$52.50$262,500.00 11/1/2023Floyd F PetersenDirectorSell500$45.30$22,650.00 10/2/2023Floyd F PetersenDirectorSell500$45.78$22,890.00 9/6/2023William J PetersCFOSell60,743$51.75$3,143,450.25 8/28/2023Yakob LiawatidewiEVPSell28,816$53.13$1,530,994.08 8/18/2023Richard K PrinsDirectorSell2,000$52.50$105,000.00 8/15/2023Michael A ZasloffDirectorSell12,759$57.22$730,069.98 6/15/2023Rong ZhouEVPSell5,000$51.79$258,950.00 6/15/2023William J PetersCFOSell36,868$50.85$1,874,737.80 6/13/2023Rong ZhouEVPSell5,000$48.24$241,200.00 (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: Diane G Gerst ($175,196.06), Floyd F Petersen ($530,305.52), Howard Lee ($1,139,785.47), Mary Z Luo ($15,048,002.66), Michael A Zasloff ($1,636,169.98), Richard K Prins ($801,240.00), Rong Zhou ($1,404,345.40), William J Peters ($8,511,359.23), and Yakob Liawatidewi ($2,724,897.40). How much insider selling is happening at Amphastar Pharmaceuticals? Insiders have sold a total of 631,453 Amphastar Pharmaceuticals shares in the last 24 months for a total of $31,971,301.72 sold. More Insider Trading Tools from MarketBeat Related Companies: Protagonist Therapeutics Insider Ownership Syndax Pharmaceuticals Insider Ownership Phibro Animal Health Insider Ownership Esperion Therapeutics Insider Ownership Enanta Pharmaceuticals Insider Ownership Insmed Insider Ownership Cerevel Therapeutics Insider Ownership Intra-Cellular Therapies Insider Ownership Viking Therapeutics Insider Ownership Jazz Pharmaceuticals 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: 3 Stocks Insiders are Buying That Should be on Your RadarInsider Trading is Good News for These Stocks4 Small-Cap Energy Stocks Insiders are Buying 3 Penny Stocks That Insiders Are BuyingThe 3 Hottest Insiders Buys This Month This page (NASDAQ:AMPH) was last updated on 6/5/2024 by MarketBeat.com Staff From Our PartnersWas the Great Financial Crisis fun?The Great Financial Crisis, which actually started in the summer of 2007 and did not end until March of 2009, ...Brooks Enterprises| SponsoredCollapse of the Petrodollar The death of the "petrodollar" seems imminent. And the implications could not be worse for Americans. Ru...Colonial Metals| SponsoredForget the Kitty! 7 stocks better than GME or AMCIn 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new comp...The Oxford Club| Sponsored[Webinar] Understanding Covered CallsDiscover the details of this option-selling strategy.OIC| SponsoredWhat’s Pelosi Buying Now?They Make the Top Investors Look Like Amateurs They beat the market for three years straight… avoided some ...Altimetry| SponsoredMoonshot Coins for the Current Crypto RunDid you see bitcoin crossed $70k again? Don't miss the next bull run. Because while Bitcoin and Ethereum s...Crypto 101 Media| SponsoredClaim Your Complimentary Bitcoin RewardMany have already secured their free Bitcoin reward offered by our esteemed guest. How about you? In an eff...Crypto Swap Profits| SponsoredAre You Positioned For The New Energy Goldrush?Open AI’s Sam Altman recently helped this company raise $577 million in funding… What’s more is, It has alr...Wealthpin Pro| Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Amphastar Pharmaceuticals, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Amphastar Pharmaceuticals With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools: Best-in-Class Portfolio Monitoring View the latest news, buy/sell ratings, SEC filings and insider transactions for your stocks. Compare your portfolio performance to leading indices and get personalized stock ideas based on your portfolio. Stock Ideas and Recommendations Get daily stock ideas from top-performing Wall Street analysts. Get short term trading ideas from the MarketBeat Idea Engine. View which stocks are hot on social media with MarketBeat's trending stocks report. Advanced Stock Screeners and Research Tools Identify stocks that meet your criteria using seven unique stock screeners. See what's happening in the market right now with MarketBeat's real-time news feed. Export data to Excel for your own analysis. Start Your 30-Day Free Trial Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.