Transdigm Group (TDG) Insider Trading & Ownership $1,522.90 +23.73 (+1.58%) As of 06/30/2025 03:58 PM Eastern Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Transdigm Group (NYSE:TDG) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage4.09%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)6Amount OfInsider Selling(Last 12 Months)$502.89M Get TDG Insider Trade Alerts Want to know when executives and insiders are buying or selling Transdigm Group stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address TDG Insider Buying and Selling by Quarter Transdigm Group 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 TransactionDetails6/20/2025Joel ReissCOOSell3,000$1,424.27$4,272,810.00 6/16/2025W Nicholas HowleyDirectorSell2,736$1,444.08$3,951,002.88 6/13/2025Sarah WynneCFOSell1,800$1,450.00$2,610,000.00 6/12/2025Sarah WynneCFOSell3,200$1,452.15$4,646,880.00 6/10/2025Robert J SmallDirectorSell45,700$1,425.01$65,122,957.00 5/20/2025Joel ReissCOOSell3,000$1,434.35$4,303,050.00 5/20/2025Sean P HennessyDirectorSell4,700$1,436.52$6,751,644.00 5/5/2025W Nicholas HowleyDirectorSell49,241$1,475.85$72,672,329.85 4/21/2025Joel ReissCOOSell3,300$1,321.80$4,361,940.00 4/15/2025W Nicholas HowleyDirectorSell5,472$1,346.30$7,366,953.60 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. 4/14/2025Kevin M SteinCEOSell20,000$1,329.61$26,592,200.00 4/7/2025Jefferson ShreveU.S. Congress Member (R-IN)Buy$1,249.23$15,001 - $50,0003/20/2025Joel ReissCOOSell3,000$1,360.04$4,080,120.00 3/13/2025Robert J SmallDirectorSell1,000$1,335.22$1,335,220.00 3/10/2025Robert J SmallDirectorSell20,000$1,340.20$26,804,000.00 3/6/2025Robert J SmallDirectorSell40,000$1,345.81$53,832,400.00 3/5/2025Jefferson ShreveU.S. Congress Member (R-IN)Buy$1,376.10$15,001 - $50,0002/20/2025Joel ReissCOOSell3,000$1,323.02$3,969,060.00 2/18/2025W Nicholas HowleyDirectorSell5,472$1,315.93$7,200,768.96 2/14/2025Robert J SmallDirectorSell3,650$1,322.19$4,825,993.50 2/12/2025Kevin M SteinCEOSell20,000$1,354.08$27,081,600.00 2/4/2025Josh GottheimerU.S. Congress Member (D-NJ)Sell$1,306.98$1,001 - $15,0001/21/2025Joel ReissCOOSell3,000$1,359.06$4,077,180.00 1/16/2025Josh GottheimerU.S. Congress Member (D-NJ)Sell$1,320.63$1,001 - $15,0001/15/2025W Nicholas HowleyDirectorSell5,472$1,296.77$7,095,925.44 1/13/2025Kevin M SteinCEOSell20,000$1,267.21$25,344,200.00 1/13/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Sell$1,278.18$1,001 - $15,00012/20/2024Joel ReissCOOSell3,000$1,257.09$3,771,270.00 12/12/2024Kevin M SteinCEOSell20,000$1,248.07$24,961,400.00 12/12/2024Robert J SmallDirectorSell38,053$1,248.78$47,519,825.34 10/17/2024Josh GottheimerU.S. Congress Member (D-NJ)Sell$1,402.59$1,001 - $15,00010/15/2024Joel ReissCOOSell3,000$1,401.75$4,205,250.00 10/15/2024W Nicholas HowleyDirectorSell5,472$1,402.85$7,676,395.20 9/16/2024Joel ReissCOOSell3,000$1,375.89$4,127,670.00 9/16/2024W Nicholas HowleyDirectorSell5,472$1,376.42$7,531,770.24 8/12/2024Kevin M SteinCEOSell10,000$1,228.24$12,282,400.00 7/15/2024Joel ReissCOOSell3,000$1,241.60$3,724,800.00 7/15/2024W Nicholas HowleyDirectorSell5,073$1,242.30$6,302,187.90 7/12/2024Kevin M SteinCEOSell10,000$1,248.60$12,486,000.00 (Data available from 1/1/2013 forward) TDG Insider Trading Activity - Frequently Asked Questions Who is on Transdigm Group's Insider Roster? The list of insiders at Transdigm Group includes Jane M Cronin, Jessica L Warren, Joel Reiss, Jorge Valladares, Kevin M Stein, Michael Graff, Michael Lisman, Michele Santana, Robert J Small, Sarah Wynne, Sean P Hennessy, and W Nicholas Howley. Learn more on insiders at TDG. What percentage of Transdigm Group stock is owned by insiders? 4.09% of Transdigm Group stock is owned by insiders. Learn more on TDG's insider holdings. Which Transdigm Group insiders have been buying company stock? The following insiders have purchased TDG shares in the last 24 months: Michele Santana ($12,796.47), and Sean P Hennessy ($0.00). How much insider buying is happening at Transdigm Group? Insiders have purchased a total of 21 TDG shares in the last 24 months for a total of $12,796.47 bought. Which Transdigm Group insiders have been selling company stock? The following insiders have sold TDG shares in the last 24 months: Jessica L Warren ($1,238,889.50), Joel Reiss ($74,850,630.00), Jorge Valladares ($6,721,433.66), Kevin M Stein ($166,923,500.00), Michael Graff ($3,834,268.20), Michael Lisman ($31,118,200.00), Michele Santana ($751.94), Robert J Small ($381,124,102.67), Sarah Wynne ($18,823,757.20), Sean P Hennessy ($10,296,341.50), and W Nicholas Howley ($193,666,271.67). How much insider selling is happening at Transdigm Group? Insiders have sold a total of 751,254 Transdigm Group shares in the last 24 months for a total of $909,456,817.19 sold. Which members of congress are trading Transdigm Group? Jefferson Shreve (R-IN) has bought shares of Transdigm Group in the last year totaling $65,000. Josh Gottheimer (D-NJ) and Robert Bresnahan, Jr. (R-PA) have sold shares totaling $32,000. Transdigm Group Key ExecutivesDr. Kevin M. Stein Ph.D. (Age 58)President, CEO & Director Compensation: $3.67MMs. Sarah L. Wynne (Age 51)Chief Financial Officer Compensation: $1.53M2 recent tradesMr. Joel B. Reiss (Age 54)Co-Chief Operating Officer Compensation: $2.02M6 recent tradesMr. Michael J. Lisman (Age 40)Co-Chief Operating Officer Compensation: $3.66MMs. Jessica L. Warren (Age 41)General Counsel, Chief Commercial Officer & Secretary Compensation: $933.3kLiza Sabol (Age 46)Director of Investor Relations Mr. Peter Palmer (Age 60)Executive Vice President Compensation: $578.39kKevin McHenryExecutive Vice PresidentPaula WheelerExecutive Vice PresidentAlex FeilExecutive Vice President More Insider Trading Tools from MarketBeat Related Companies GE Insider Trading BA Insider Trading HON Insider Trading LMT Insider Trading GD Insider Trading NOC Insider Trading HEI Insider Trading TDY Insider Trading CW Insider Trading TXT 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 The Top Insider Sells From Q2: Buy, Sell, or Hold?3 Hot Trades for Insiders, But Are They Good Buys for Investors?Insiders Chase Income and Stability in American Tower—Here’s Why3 Tech Stocks With High and Rising Institutional Interest3 Summer Stocks With Insider Buying and Analyst Support This page (NYSE:TDG) was last updated on 7/1/2025 by MarketBeat.com Staff From Our PartnersThis Crypto Is Set to Explode in JanuaryFree summit: How to profit from the Coinbase-Deribit deal Our hedge fund experts know exactly what this mea...Crypto 101 Media | SponsoredTrump set to Boost Social Security Checks by 400%?If you collect—or plan to collect—Social Security, you need to see this. 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