Ardelyx (ARDX) Insider Trading & Ownership $6.51 +0.11 (+1.72%) Closing price 04:00 PM EasternExtended Trading$6.46 -0.04 (-0.69%) As of 06:16 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 Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Ardelyx (NASDAQ:ARDX) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage4.80%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)$5.78MNumber OfInsiders Selling(Last 12 Months)7Amount OfInsider Selling(Last 12 Months)$4.16M Get ARDX Insider Trade Alerts Want to know when executives and insiders are buying or selling Ardelyx stock? 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ARDX Insider Buying and Selling by Quarter Ardelyx 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 TransactionDetails8/26/2025Laura A WilliamsInsiderSell80,000$6.12$489,600.00 8/21/2025Elizabeth A GrammerInsiderSell5,841$5.93$34,637.13 8/21/2025Eric Duane FosterInsiderSell15,308$5.93$90,776.44 8/21/2025Justin A RenzCFOSell7,037$5.93$41,729.41 8/21/2025Laura A WilliamsInsiderSell6,261$5.93$37,127.73 8/21/2025Michael RaabCEOSell45,687$5.93$270,923.91 8/21/2025Mike KelliherInsiderSell5,417$5.93$32,122.81 6/16/2025David M MottDirectorBuy200,000$3.63$726,000.00 6/9/2025David M MottDirectorBuy200,000$3.69$738,000.00 5/20/2025Elizabeth A GrammerInsiderSell5,992$4.08$24,447.36 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. 5/20/2025Eric Duane FosterInsiderSell2,507$4.08$10,228.56 5/20/2025Justin A RenzCFOSell7,218$4.08$29,449.44 5/20/2025Laura A WilliamsInsiderSell6,421$4.08$26,197.68 5/20/2025Michael RaabCEOSell46,817$4.08$191,013.36 5/20/2025Mike KelliherInsiderSell14,522$4.08$59,249.76 5/15/2025David M MottDirectorBuy100,000$3.29$329,000.00 5/2/2025David M MottDirectorBuy381,377$4.22$1,609,410.94 5/2/2025Michael RaabCEOSell41,666$4.25$177,080.50 4/4/2025Michael RaabCEOSell41,666$4.59$191,246.94 3/7/2025Michael RaabCEOSell41,668$5.36$223,340.48 2/24/2025David M MottDirectorBuy77,729$5.00$388,645.00 2/20/2025Justin A RenzCFOSell5,171$5.62$29,061.02 2/20/2025Laura A WilliamsInsiderSell4,941$5.62$27,768.42 2/20/2025Michael RaabCEOSell22,964$5.62$129,057.68 1/31/2025Michael RaabCEOSell41,666$5.36$223,329.76 1/21/2025David M MottDirectorBuy199,000$4.99$993,010.00 1/7/2025Michael RaabCEOSell41,666$5.31$221,246.46 12/19/2024David M MottDirectorBuy213,300$4.67$996,111.00 12/10/2024Michael RaabCEOSell25,000$5.26$131,500.00 11/25/2024Michael RaabCEOSell25,000$5.38$134,500.00 11/20/2024Justin A RenzCFOSell5,260$4.79$25,195.40 11/20/2024Laura A WilliamsInsiderSell7,366$4.79$35,283.14 11/20/2024Michael RaabCEOSell31,980$4.79$153,184.20 11/11/2024Michael RaabCEOSell2,743$4.90$13,440.70 11/6/2024David P RosenbaumInsiderSell27,171$6.10$165,743.10 11/4/2024David P RosenbaumInsiderSell27,172$5.95$161,673.40 10/28/2024Michael RaabCEOSell25,000$5.91$147,750.00 10/11/2024Michael RaabCEOSell7,500$6.01$45,075.00 9/27/2024David P RosenbaumInsiderSell49,564$6.92$342,982.88 9/26/2024Michael RaabCEOSell3,000$6.07$18,210.00 An $8 trillion-dollar discovery 17,000 ft underwater (Ad)A strange rock pulled from the ocean floor may hold the key to a $16 trillion resource boom. Inside it: materials critical for AI chips, EV batteries, smartphones, and advanced weapons systems. While few people know about these metals, global powers—including the U.S., China, and Russia—are racing to secure them. And one tiny public company, recently backed by the U.S. government, holds mining rights to over 340 million tons… and near-monopoly access to the richest zone.See the name and ticker behind America’s $16 trillion resource push.9/13/2024David P RosenbaumInsiderSell5,312$6.26$33,253.12 9/11/2024Michael RaabCEOSell35,000$5.61$196,350.00 (Data available from 1/1/2013 forward) ARDX Insider Trading Activity - Frequently Asked Questions Who is on Ardelyx's Insider Roster? The list of insiders at Ardelyx includes David M Mott, David P Rosenbaum, Elizabeth A Grammer, Eric Duane Foster, Justin A Renz, Laura A Williams, Michael Raab, Mike Kelliher, Robert Blanks, Robert Ora Felsch, and Susan Rodriguez. Learn more on insiders at ARDX. What percentage of Ardelyx stock is owned by insiders? 4.80% of Ardelyx stock is owned by insiders. Learn more on ARDX's insider holdings. Which Ardelyx insiders have been buying company stock? The following insider purchased ARDX shares in the last 24 months: David M Mott ($5,780,176.94). How much insider buying is happening at Ardelyx? Insiders have purchased a total of 1,371,406 ARDX shares in the last 24 months for a total of $5,780,176.94 bought. Which Ardelyx insiders have been selling company stock? The following insiders have sold ARDX shares in the last 24 months: David P Rosenbaum ($1,721,654.62), Elizabeth A Grammer ($977,864.49), Eric Duane Foster ($101,005.00), Justin A Renz ($1,646,688.84), Laura A Williams ($2,093,204.28), Michael Raab ($3,752,207.79), Mike Kelliher ($91,372.57), Robert Blanks ($270,378.75), and Robert Ora Felsch ($1,832,374.28). How much insider selling is happening at Ardelyx? Insiders have sold a total of 1,964,503 Ardelyx shares in the last 24 months for a total of $12,486,750.62 sold. Ardelyx Key ExecutivesMr. Michael G. Raab (Age 59)President, CEO & Director Compensation: $1.03M5 recent tradesMs. Elizabeth A. Grammer Esq. (Age 60)Chief Legal & Administrative Officer and Secretary Compensation: $668.25k2 recent tradesDr. Laura A. Williams M.D. (Age 60)M.P.H., Chief Medical Officer Compensation: $664.81kMr. Justin A. Renz CPA (Age 52)MBA, Chief Financial & Operations Officer Compensation: $623.7k2 recent tradesMr. Robert FelschSenior VP of Finance & Chief Accounting OfficerMs. Caitlin LowieVice President of Corporate Communications & Investor RelationsMr. Mike Kelliher (Age 47)Executive Vice President of Corporate Development & Strategy 2 recent tradesMs. Charon Spencer Sr.Chief Human Resources OfficerMr. David P. Rosenbaum (Age 63)Chief Development Officer Compensation: $645.4kMr. Robert C. Blanks (Age 64)Chief Regulatory Affairs & Quality Assurance Officer Compensation: $590.8k More Insider Trading Tools from MarketBeat Related Companies NUVL Insider Trading MRUS Insider Trading CRSP Insider Trading TGTX Insider Trading CYTK Insider Trading KRYS Insider Trading ACAD Insider Trading ADMA Insider Trading PCVX Insider Trading PTCT Insider Trading 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 Loop Industries Insiders Buy Stock, Signal Confidence in OutlookDueling Insider Moves: Heavy Buying Here, Big Selling ThereCostco Faces Downgrades, Death Cross, Insider SellingReynolds Consumer Products Stock Price: Insiders Signal a BottomBuy, Sell, or Hold? Insiders Pile Into These 3 Healthcare Stocks This page (NASDAQ:ARDX) was last updated on 9/3/2025 by MarketBeat.com Staff From Our PartnersHow “Trump’s New Dollar” Could Impact Your WealthPresident Trump just signed a game-changing law… That could soon upgrade the U.S. dollar in your checking a...Brownstone Research | SponsoredForget Tesla — This Tiny AI Stock Is Musk’s Real PlayWhile Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...Behind the Markets | SponsoredWhat's the Best Way to Lower RMD Taxes?Turning 73 triggers a key IRS rule: you must begin taking required minimum distributions (RMDs) from certain r...SmartAsset | SponsoredThe Orphaned Well Crisis Hidden Across AmericaAcross the U.S., millions of abandoned oil and gas wells are leaking methane into the air — a costly and dange...The Tomorrow Investor | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredThis Coin Could Explode, and it’s Hiding in Plain Sight!The #1 coin with skyrocket potential right now... 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