TransMedics Group (TMDX) Stock Chart & Stock Price History $120.55 +1.58 (+1.33%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$121.00 +0.45 (+0.37%) As of 04:24 AM 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider 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 19.69%, with a year-to-date return of 93.34%. In the past month, the stock has decreased 6.35%, reflecting recent market activity. As of the latest close, TransMedics Group traded at $120.55 with a market cap of $4.08 billion and volume of 1.78 million shares. Five years ago, the stock traded at $18.58, representing a 548.82% increase over that period. At the time, it had a market cap of $400.29 million and a volume of 4,448 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+11.93%1 Month Performance-6.35%3 Month Performance+33.97%Year-To-Date Performance+93.34%1 Year Performance-19.69%5 Year Performance+548.82% TMDX Stock Chart for Monday, August, 4, 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 Capitalization08/01/2025$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 billion07/22/2025$103.61$105.60+1.92%$107.08$98.891.82 million shs$3.57 billion07/21/2025$109.88$103.61-5.71%$109.80$103.261.96 million shs$3.50 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. 07/18/2025$112.52$109.88-2.35%$114.63$109.66789,501 shs$3.72 billion07/17/2025$113.32$112.52-0.71%$115.37$112.26566,993 shs$3.81 billion07/16/2025$115.68$113.32-2.04%$118.37$113.04714,535 shs$3.83 billion07/15/2025$116.88$115.68-1.03%$120.45$114.74740,605 shs$3.91 billion07/14/2025$112.46$116.88+3.93%$119.46$111.931.28 million shs$3.95 billion07/11/2025$124.78$112.46-9.87%$123.50$109.592.55 million shs$3.80 billion07/10/2025$126.41$124.78-1.29%$127.97$123.80650,870 shs$4.22 billion07/09/2025$124.73$126.41+1.35%$126.54$122.48636,287 shs$4.28 billion07/08/2025$125.17$124.73-0.35%$128.05$124.23739,091 shs$4.22 billion07/07/2025$128.73$125.17-2.76%$128.01$123.25699,454 shs$4.23 billion07/04/2025$128.73$128.73$129.19$124.50369,545 shs$4.35 billion07/03/2025$127.69$128.73+0.81%$129.19$124.50369,545 shs$4.35 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 Soleno Therapeutics Stock Price Chart iRhythm Technologies Stock Price Chart Inspire Medical Systems Stock Price Chart Envista 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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