TransDigm Group (TDG) Insider Trading & Ownership $1,393.62 +13.27 (+0.96%) Closing price 03/25/2025 03:58 PM EasternExtended Trading$1,320.68 -72.94 (-5.23%) As of 08:58 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 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)1Amount OfInsider Buying(Last 12 Months)$997.41Number OfInsiders Selling(Last 12 Months)6Amount OfInsider Selling(Last 12 Months)$431.48 M Get TDG Insider Trade Alerts Want to know when executives and insiders are buying or selling TransDigm Group stock? 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Email Address TDG Insider Buying and Selling by Quarter Remove Ads 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 TransactionDetails3/20/2025Joel 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 2/20/2025Joel 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 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. 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 6/12/2024Kevin M SteinCEOSell10,000$1,308.52$13,085,200.00 6/12/2024Robert J SmallDirectorSell21,210$1,315.87$27,909,602.70 6/10/2024Robert J SmallDirectorSell12,500$1,312.09$16,401,125.00 6/7/2024Robert J SmallDirectorSell30,000$1,323.86$39,715,800.00 6/6/2024Jessica L WarrenInsiderSell925$1,339.34$1,238,889.50 5/15/2024Joel ReissCOOSell3,000$1,282.78$3,848,340.00 5/13/2024Kevin M SteinCEOSell10,000$1,292.89$12,928,900.00 5/9/2024W Nicholas HowleyDirectorSell197$1,318.14$259,673.58 5/4/2024Michele SantanaDirectorBuy1$328.53$328.53 4/15/2024Joel ReissCOOSell3,000$1,233.10$3,699,300.00 4/14/2024Michele SantanaDirectorSell1$751.94$751.94 4/12/2024Kevin M SteinCEOSell10,000$1,216.16$12,161,600.00 4/4/2024Michele SantanaDirectorBuy1$668.88$668.88 (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 ($64,350,870.00), Jorge Valladares ($6,721,433.66), Kevin M Stein ($140,331,300.00), Michael Graff ($3,834,268.20), Michael Lisman ($31,118,200.00), Michele Santana ($751.94), Robert J Small ($316,001,145.67), Sarah Wynne ($11,566,877.20), Sean P Hennessy ($3,544,697.50), and W Nicholas Howley ($127,292,266.72). How much insider selling is happening at TransDigm Group? Insiders have sold a total of 646,582 TransDigm Group shares in the last 24 months for a total of $736,303,643.53 sold. Which members of congress are trading TransDigm Group? Josh Gottheimer (D-NJ) and Robert Bresnahan, Jr. (R-PA) have sold shares of TransDigm Group in the last year 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: $1.53MMr. Joel B. Reiss (Age 54)Co-Chief Operating Officer Compensation: $2.02M5 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 HON Insider Trading BA Insider Trading LMT Insider Trading GD Insider Trading NOC Insider Trading HEI Insider Trading TDY Insider Trading TXT Insider Trading CW Insider Trading HII 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 NVIDIA Insiders Sell: This Is What It Means for the Market Top 3 Insider Stock Buys in March—Are They Still Good in April?Grocery Outlet Insider and Institutional Buyers Signal BottomSentinelOne Insider Selling? Why Investors Should Stay Bullish 3 Companies Buying Back Stock—Why It Matters This page (NYSE:TDG) was last updated on 3/26/2025 by MarketBeat.com Staff From Our PartnersTrump’s Final Plan Presidential insider exposes shocking plot to reshape U.S. economy: The 2025 Trump Reset -- Inside Trump’...Porter & Company | SponsoredDOGE could send 6 AI stocks through the roofStay alert for Elon Musk and the Department of Government Efficiency's next move … Expect an announcement f...Weiss Ratings | SponsoredNew “Trump” currency proposed in DCAccording to one of the most connected men in Washington… A surprising new bill was just introduced in Wash...Paradigm Press | SponsoredTrump’s Secret WeaponHave you looked at the stock market recently? Millions of investors are scrambling trying to figure out what's...American Alternative | SponsoredDo this Before Elon's Reveal on April 23rdElon’s newest tech could pay you an extra $30,000 a year — while you sleep. 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