TransMedics Group (TMDX) Stock Chart & Stock Price History $119.85 +1.04 (+0.88%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$119.66 -0.18 (-0.15%) As of 08/22/2025 07:59 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 Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock TransMedics Group Stock Price Performance The TransMedics Group (TMDX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 31.77%, with a year-to-date return of 92.22%. In the past month, the stock has increased 12.23%, reflecting recent market activity. As of the latest close, TransMedics Group traded at $119.85 with a market cap of $4.09 billion and volume of 1.03 million shares. Five years ago, the stock traded at $17.90, representing a 569.55% increase over that period. At the time, it had a market cap of $480.64 million and a volume of 130,234 shares. Receive TMDX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for TransMedics Group and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-2.31%1 Month Performance+12.23%3 Month Performance-3.54%Year-To-Date Performance+92.22%1 Year Performance-31.77%5 Year Performance+569.55% TMDX Stock Chart for Sunday, August, 24, 2025 TMDX Chart by TradingView TransMedics Group Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/22/2025$118.81$119.85+0.88%$121.79$117.171.03 million shs$4.09 billion08/21/2025$121.88$118.81-2.52%$121.76$117.43694,918 shs$4.05 billion08/20/2025$122.68$121.88-0.65%$122.77$118.25834,118 shs$4.15 billion08/19/2025$125.65$122.68-2.36%$127.48$122.17659,968 shs$4.18 billion08/18/2025$127.55$125.65-1.49%$129.01$124.68563,688 shs$4.28 billion08/15/2025$129.74$127.55-1.69%$130.02$126.23601,350 shs$4.35 billion08/14/2025$132.04$129.74-1.74%$131.99$126.78875,947 shs$4.42 billion08/13/2025$131.13$132.04+0.69%$133.54$127.70995,284 shs$4.50 billion08/12/2025$127.26$131.13+3.04%$133.00$125.891.24 million shs$4.47 billion08/11/2025$114.50$127.26+11.14%$133.18$125.002.08 million shs$4.34 billion Get the Latest News and Ratings for TMDX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for TransMedics Group and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$116.05$114.50-1.34%$118.68$114.30731,219 shs$3.90 billion08/07/2025$118.80$116.05-2.31%$120.33$114.33869,973 shs$3.96 billion08/06/2025$125.74$118.80-5.52%$124.91$116.581.17 million shs$4.05 billion08/05/2025$128.50$125.74-2.15%$128.75$122.631.11 million shs$4.29 billion08/04/2025$120.55$128.50+6.59%$131.85$123.101.90 million shs$4.38 billion08/01/2025$118.97$120.55+1.33%$122.76$114.281.78 million shs$4.08 billion07/31/2025$107.70$118.97+10.46%$124.50$111.303.86 million shs$4.02 billion07/30/2025$104.83$107.70+2.74%$109.90$105.902.12 million shs$3.64 billion07/29/2025$105.24$104.83-0.39%$106.90$104.711.11 million shs$3.55 billion07/28/2025$108.12$105.24-2.66%$110.00$105.00884,903 shs$3.56 billion07/25/2025$106.79$108.12+1.25%$108.66$105.06652,618 shs$3.66 billion07/24/2025$109.97$106.79-2.89%$112.25$105.90988,239 shs$3.61 billion07/23/2025$105.60$109.97+4.14%$111.70$107.261.12 million shs$3.72 billion Related Companies Smith & Nephew SNATS Stock Price Chart Solventum Stock Price Chart Penumbra Stock Price Chart Stevanato Group Stock Price Chart Glaukos Stock Price Chart Bausch + Lomb Stock Price Chart iRhythm Technologies Stock Price Chart Soleno Therapeutics Stock Price Chart Envista Stock Price Chart LivaNova Stock Price Chart Receive TMDX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for TransMedics Group and its competitors with MarketBeat's FREE daily newsletter. 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