Teradata (TDC) Insider Trading & Ownership $21.10 +0.01 (+0.02%) Closing price 03:59 PM EasternExtended Trading$21.16 +0.06 (+0.28%) As of 06:30 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Teradata (NYSE:TDC) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage0.90%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)2Amount OfInsider Selling(Last 12 Months)$568.65K Get TDC Insider Trade Alerts Want to know when executives and insiders are buying or selling Teradata stock? 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TDC Insider Buying and Selling by Quarter Teradata 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 TransactionDetails9/10/2024Hillary AshtonInsiderSell14,962$27.53$411,903.86 8/29/2024Margaret A TreeseInsiderSell5,500$28.50$156,750.00 (Data available from 1/1/2013 forward) TDC Insider Trading Activity - Frequently Asked Questions Who is on Teradata's Insider Roster? The list of insiders at Teradata includes Claire Bramley, Hillary Ashton, Kathleen R Cullen-Cote, Margaret A Treese, Michael D Hutchinson, Michael P Gianoni, Stephen Mcmillan, and Todd Cione. Learn more on insiders at TDC. What percentage of Teradata stock is owned by insiders? 0.90% of Teradata stock is owned by insiders. Learn more on TDC's insider holdings. Which Teradata insiders have been selling company stock? The following insiders have sold TDC shares in the last 24 months: Claire Bramley ($199,410.00), Hillary Ashton ($859,795.78), Kathleen R Cullen-Cote ($987,151.75), Margaret A Treese ($589,999.28), Michael D Hutchinson ($609,760.00), Stephen Mcmillan ($2,550,617.34), and Todd Cione ($1,266,860.81). How much insider selling is happening at Teradata? Insiders have sold a total of 185,144 Teradata shares in the last 24 months for a total of $7,063,594.96 sold. Teradata Key ExecutivesMr. Stephen McMillan (Age 53)President, CEO & Director Compensation: $1.94MMs. Claire Bramley (Age 46)Chief Financial Officer Compensation: $1.08MMs. Margaret A. Treese (Age 57)Chief Legal Officer & Secretary Compensation: $809.96kMs. Hillary H. Ashton (Age 52)Chief Product Officer Compensation: $1.01MMs. Erica HausheerChief Information OfficerMr. Christopher T. LeeSenior VP & Head of Investor Relations and Corporate DevelopmentMs. Jacqueline D. Woods (Age 62)Chief Marketing Officer Ms. Kathleen R. Cullen-Cote (Age 59)Chief People Officer Compensation: $980.5kMr. Bob JoyceExecutive Vice President of Business SystemsMr. Michael D. 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Insiders Pile Into These 3 Healthcare StocksInsiders Trade Millions in NVIDIA-Linked Navitas, Hims, & Shift45 Stocks Insiders Are Selling That Analysts Say Buy This page (NYSE:TDC) was last updated on 8/28/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | SponsoredElon’s BIGGEST warning yet?Tesla's About to Prove Everyone Wrong... Again Back in 2018, when Jeff Brown told everyone to buy Tesla… ...Brownstone Research | SponsoredThink you missed gold’s boom? Think againIf you've been watching gold's historic run and wondering if it's too late… I've got good news. 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