MetaCap

Transdigm Group Insider Trades

NYSE: TDGIndustrialsMilitary/Government/TechnicalUSD

1,107.99+18.69 (+1.72%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
0 · $0
Sales
84 · $35.27M
Shares bought / sold
0 / 29.15K
Net activity
Net selling $35.3 million

Transdigm Group insider activity

Over the last 12 months, Transdigm Group insiders reported 100 transactions on SEC Form 4: 0 open-market purchases and 84 sales. Insiders bought $0 and sold $35.3 million worth of stock, for net insider selling of $35.3 million. The largest seller was Howley W Nicholas, with $24.8 million in reported sales.

The most recent filing shows SMALL ROBERT J (Director) reporting a transaction in 0 shares on Sep 18, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put TDG's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

TDG insider transactions

Transdigm Group insider transactions
DateInsiderTypeSharesValueFiling
Sep 18, 2026HENNESSY SEAN PDirectorAward46$49.91KForm 4
Sep 18, 2026MCCULLOUGH GARY EDirectorAward41$44.48KForm 4
Sep 18, 2026BARR DAVIDDirectorAward46$49.91KForm 4
Sep 18, 2026CRONIN JANE M.DirectorAward34$36.89KForm 4
Sep 18, 2026Graff MichaelDirectorAward34$36.89KForm 4
Sep 18, 2026Krasik Irina IgorevnaDirectorAward13$14.11KForm 4
Sep 18, 2026Santana MicheleDirectorAward34$36.89KForm 4
Sep 18, 2026SMALL ROBERT JDirectorAward52$56.42KForm 4
Sep 18, 2026Howley W NicholasDirectorAward126$136.71KForm 4
Sep 18, 2026Palmer PeterDirectorAward34$36.89KForm 4
Sep 18, 2026SMALL ROBERT JDirectorother0—Form 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale20$22.38KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale20$22.27KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale30$33.37KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale30$33.25KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale40$44.27KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale5$5.53KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale125$138.07KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale210$231.72KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale274$302.08KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale166$182.85KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale60$66.02KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale90$98.92KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale150$164.76KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale294$322.60KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale196$214.85KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale225$246.40KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale383$419.03KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale282$308.26KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale170$185.66KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale100$109.10KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale70$76.30KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale10$10.88KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale120$130.50KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale110$119.49KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale240$260.37KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale170$184.22KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerSale310$335.72KForm 4
Sep 15, 2026Reiss JoelCo-Chief Operating OfficerOption exercise3,900$1.11MForm 4
Aug 18, 2026Howley W NicholasDirectorSale190$235.82KForm 4
Aug 18, 2026Howley W NicholasDirectorSale1,313$1.63MForm 4
Aug 18, 2026Howley W NicholasDirectorSale3,980$4.93MForm 4
Aug 18, 2026Howley W NicholasDirectorSale520$643.80KForm 4
Aug 18, 2026Howley W NicholasDirectorSale250$309.22KForm 4
Aug 18, 2026Howley W NicholasDirectorSale140$173.06KForm 4
Aug 18, 2026Howley W NicholasDirectorSale270$333.37KForm 4
Aug 18, 2026Howley W NicholasDirectorSale450$554.99KForm 4
Aug 18, 2026Howley W NicholasDirectorSale1,055$1.30MForm 4
Aug 18, 2026Howley W NicholasDirectorSale830$1.02MForm 4
Aug 18, 2026Howley W NicholasDirectorSale570$701.11KForm 4
Aug 18, 2026Howley W NicholasDirectorSale290$356.44KForm 4
Aug 18, 2026Howley W NicholasDirectorSale70$85.93KForm 4
Aug 18, 2026Howley W NicholasDirectorSale204$250.02KForm 4
Aug 18, 2026Howley W NicholasDirectorOption exercise10,132$673.47KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale30$37.59KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale80$100.17KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale20$25.02KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale60$74.90KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale48$59.87KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale37$46.10KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale145$180.57KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale100$124.39KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale138$171.54KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale112$139.14KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale120$148.89KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale400$496.00KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale340$421.20KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale499$617.70KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale671$829.89KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale373$460.98KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale327$403.82KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale260$320.81KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerSale140$172.59KForm 4
Aug 17, 2026Reiss JoelCo-Chief Operating OfficerOption exercise3,900$1.11MForm 4
Jul 20, 2026Howley W NicholasDirectorSale440$538.62KForm 4
Jul 20, 2026Howley W NicholasDirectorSale465$568.38KForm 4
Jul 20, 2026Howley W NicholasDirectorSale130$158.67KForm 4
Jul 20, 2026Howley W NicholasDirectorSale1,243$1.52MForm 4
Jul 20, 2026Howley W NicholasDirectorSale1,463$1.78MForm 4
Jul 20, 2026Howley W NicholasDirectorSale603$733.86KForm 4
Jul 20, 2026Howley W NicholasDirectorSale260$316.06KForm 4
Jul 20, 2026Howley W NicholasDirectorSale1,561$1.90MForm 4
Jul 20, 2026Howley W NicholasDirectorSale1,437$1.74MForm 4
Jul 20, 2026Howley W NicholasDirectorSale1,720$2.09MForm 4
Jul 20, 2026Howley W NicholasDirectorSale240$290.75KForm 4
Jul 20, 2026Howley W NicholasDirectorSale570$689.88KForm 4
Jul 20, 2026Howley W NicholasDirectorOption exercise10,132$673.47KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale10$12.05KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale74$89.08KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale116$139.48KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale160$192.21KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale156$187.22KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale80$95.90KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale70$83.85KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale10$11.95KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerOption exercise3,900$1.11MForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale10$12.33KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale144$177.46KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale70$86.18KForm 4
Jul 15, 2026Reiss JoelCo-Chief Operating OfficerSale190$233.71KForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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