Transdigm Group (TDG) Insider Trading & Ownership

$1,201.11 +20.71 (+1.75%)

As of 02:58 PM Eastern

Current Insider Ownership Percentage: 3.20%
Number Of Insiders Buying (Last 12 Months): 2
Amount Of Insider Buying (Last 12 Months): $3.84M
Number Of Insiders Selling (Last 12 Months): 6
Amount Of Insider Selling (Last 12 Months): $470.37M

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.

Subscribe Now

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.

TDG Insider Buying and Selling by Quarter

Transdigm Group Insider and Congressional Trades History

Transaction Type

Time Frame

Start Date

End Date

Export

Transaction Date	Insider	Buy/Sell	Number of Shares	Average Share Price	Total Transaction
8/18/2026	W Nicholas Howley Director	Sell	10,132	$1,236.28	$12,525,988.96
8/17/2026	Joel Reiss COO	Sell	3,900	$1,238.76	$4,831,164.00
7/28/2026	April McClain Delaney House (D-MD)	Buy		$1,310.33	$1,001 - $15,000
7/20/2026	W Nicholas Howley Director	Sell	10,132	$1,216.08	$12,321,322.56
6/18/2026	W Nicholas Howley Director	Sell	10,132	$1,319.55	$13,369,680.60
6/15/2026	Joel Reiss COO	Sell	3,900	$1,276.78	$4,979,442.00
5/22/2026	April McClain Delaney House (D-MD)	Buy		$1,212.37	$1,001 - $15,000
5/21/2026	April McClain Delaney House (D-MD)	Buy		$1,209.78	$1,001 - $15,000
5/18/2026	W Nicholas Howley Director	Sell	10,132	$1,180.82	$11,964,068.24
5/15/2026	Joel Reiss COO	Sell	3,900	$1,154.09	$4,500,951.00
5/13/2026	April McClain Delaney House (D-MD)	Buy		$1,201.25	$1,001 - $15,000
5/8/2026	April McClain Delaney House (D-MD)	Buy		$1,213.79	$1,001 - $15,000
5/7/2026	April McClain Delaney House (D-MD)	Buy		$1,242.28	$1,001 - $15,000
4/29/2026	April McClain Delaney House (D-MD)	Buy		$1,142.10	$1,001 - $15,000
4/20/2026	W Nicholas Howley Director	Sell	10,132	$1,265.06	$12,817,587.92
4/20/2026	April McClain Delaney House (D-MD)	Buy		$1,273.11	$1,001 - $15,000
4/17/2026	April McClain Delaney House (D-MD)	Buy		$1,265.69	$1,001 - $15,000
4/16/2026	April McClain Delaney House (D-MD)	Buy		$1,230.01	$15,001 - $50,000
4/15/2026	Joel Reiss COO	Sell	3,900	$1,280.46	$4,993,794.00
4/15/2026	April McClain Delaney House (D-MD)	Buy		$1,275.97	$1,001 - $15,000
3/25/2026	Gilbert Ray Cisneros, Jr. House (D-CA)	Sell		$1,156.17	$1,001 - $15,000
3/18/2026	W Nicholas Howley Director	Sell	10,132	$1,213.05	$12,290,622.60
Get Insider Trades Delivered To Your Inbox Enter your email address below to receive a concise daily summary of insider buying activity, insider selling activity and changes in hedge fund holdings.
3/16/2026	Joel Reiss COO	Sell	3,900	$1,243.70	$4,850,430.00
3/16/2026	Gilbert Ray Cisneros, Jr. House (D-CA)	Buy		$1,247.63	$1,001 - $15,000
2/25/2026	Robert J Small Director	Buy	1	$1,285.00	$1,285.00
2/18/2026	W Nicholas Howley Director	Sell	10,168	$1,307.68	$13,296,490.24
2/6/2026	Michael Lisman CEO	Buy	950	$1,284.26	$1,220,047.00
2/2/2026	Kevin M Stein Director	Sell	11,075	$1,434.49	$15,886,976.75
2/2/2026	Kevin M Stein Director	Sell	36,925	$1,425.79	$52,647,295.75
2/2/2026	Patrick Joseph Murphy COO	Sell	290	$1,430.10	$414,729.00
1/30/2026	Gilbert Ray Cisneros, Jr. House (D-CA)	Buy		$1,429.40	$1,001 - $15,000
1/15/2026	Joel Reiss COO	Sell	3,900	$1,429.92	$5,576,688.00
1/14/2026	Kevin M Stein Director	Sell	7,627	$1,406.38	$10,726,460.26
1/8/2026	Kevin M Stein Director	Sell	17,373	$1,407.25	$24,448,154.25
1/5/2026	Kevin M Stein Director	Sell	25,000	$1,373.59	$34,339,750.00
1/2/2026	Patrick Joseph Murphy COO	Sell	290	$1,329.03	$385,418.70
12/24/2025	Gilbert Ray Cisneros, Jr. House (D-CA)	Sell		$1,313.57	$1,001 - $15,000
12/15/2025	Joel Reiss COO	Sell	3,900	$1,290.52	$5,033,028.00
12/10/2025	Robert J Small Director	Sell	4,700	$1,290.19	$6,063,893.00
12/9/2025	Robert J Small Director	Sell	90,953	$1,335.72	$121,487,741.16
12/4/2025	Kevin M Stein Director	Sell	17,526	$1,362.29	$23,875,494.54
12/1/2025	Patrick Joseph Murphy COO	Sell	290	$1,351.06	$391,807.40
11/28/2025	Kevin M Stein Director	Sell	4,592	$1,360.73	$6,248,472.16
11/26/2025	Kevin M Stein Director	Sell	30	$1,360.06	$40,801.80
11/25/2025	Kevin M Stein Director	Sell	4,187	$1,360.58	$5,696,748.46
11/18/2025	Kevin M Stein Director	Sell	7,191	$1,361.57	$9,791,049.87
11/18/2025	Gilbert Ray Cisneros, Jr. House (D-CA)	Buy		$1,352.92	$1,001 - $15,000
11/17/2025	Joel Reiss COO	Sell	3,900	$1,340.00	$5,226,000.00
11/17/2025	W Nicholas Howley Director	Sell	2,736	$1,334.92	$3,652,341.12
11/14/2025	Michael Lisman CEO	Buy	1,954	$1,339.14	$2,616,679.56
11/3/2025	Patrick Joseph Murphy COO	Sell	290	$1,310.00	$379,900.00
10/27/2025	Kevin M Stein Director	Sell	700	$1,360.00	$952,000.00
10/27/2025	Patrick Joseph Murphy COO	Sell	580	$1,354.76	$785,760.80
10/20/2025	Joel Reiss COO	Sell	3,000	$1,279.59	$3,838,770.00
10/17/2025	Gilbert Ray Cisneros, Jr. House (D-CA)	Buy		$1,267.98	$1,001 - $15,000
10/15/2025	W Nicholas Howley Director	Sell	2,736	$1,298.87	$3,553,708.32
9/23/2025	Val T. Hoyle House (D-OR)	Sell		$1,298.50	$1,001 - $15,000
9/22/2025	Joel Reiss COO	Sell	3,000	$1,276.07	$3,828,210.00
Trump Takes Emergency Action - Plus Elon Musk's New Venture (Ad) Elon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. Trump has issued emergency support to accelerate the rollout, and it's already live in multiple states. The Financial Times reports Sam Altman is personally calling people to build this for OpenAI. A few little-known companies control the entire supply chain - meaning anyone who wants access must go through them. Their stocks are available to buy right now. See which companies control the supply chain behind this emerging tech
9/15/2025	W Nicholas Howley Director	Sell	2,736	$1,282.47	$3,508,837.92
9/12/2025	Robert J Small Director	Sell	5,000	$1,276.98	$6,384,900.00
8/26/2025	Michael Graff Director	Sell	1,760	$1,402.10	$2,467,696.00

(Data available from 1/1/2013 forward)

TDG Insider Trading Activity - Frequently Asked Questions

The list of insiders at Transdigm Group includes Jessica L Warren, Joel Reiss, Jorge Valladares, Kevin M Stein, Michael Graff, Michael Lisman, Michele Santana, Patrick Joseph Murphy, Robert J Small, Sarah Wynne, Sean P Hennessy, and W Nicholas Howley. Learn more on insiders at TDG.

3.20% of Transdigm Group stock is owned by insiders. Learn more on TDG's insider holdings.

The following insiders have purchased TDG shares in the last 24 months: Michael Lisman ($3,836,726.56), and Robert J Small ($1,285.00).

Insiders have purchased a total of 2,905 TDG shares in the last 24 months for a total of $3,838,011.56 bought.

The following insiders have sold TDG shares in the last 24 months: Joel Reiss ($93,838,617.00), Kevin M Stein ($288,632,603.84), Michael Graff ($2,467,696.00), Patrick Joseph Murphy ($2,357,615.90), Robert J Small ($333,376,930.00), Sarah Wynne ($7,256,880.00), Sean P Hennessy ($6,751,644.00), and W Nicholas Howley ($217,090,931.61).

Insiders have sold a total of 706,223 Transdigm Group shares in the last 24 months for a total of $951,772,918.35 sold.

April McClain Delaney (D-MD) and Gilbert Ray Cisneros, Jr. (D-CA) have bought shares of Transdigm Group in the last year totaling $144,500. Gilbert Ray Cisneros, Jr. (D-CA) and Val T. Hoyle (D-OR) have sold shares totaling $24,000.

Transdigm Group Active Insiders

More Insider Trading Tools from MarketBeat

Related Companies

Insider Tracking Tools

Insider Trading By Country

Latest Articles

This page (NYSE:TDG) was last updated on 8/21/2026 by MarketBeat.com Staff.

From Our Partners

Unlock superior investment research and tools.

Get MarketBeat All Access

In-depth profiles and analysis for 20,000 public companies.
Real-time analyst ratings, insider transactions, earnings data, and more.
Our daily ratings and market update email newsletter.

Sign In
Create Account

Your Email Address:

Your Password:

Forgot your password?

Your Email Address:

Choose a Password:

By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Transdigm Group (TDG) Insider Trading & Ownership

TDG Insider Buying and Selling by Quarter

Transdigm Group Insider and Congressional Trades History

TDG Insider Trading Activity - Frequently Asked Questions

Transdigm Group Active Insiders

More Insider Trading Tools from MarketBeat

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools

About MarketBeat

MarketBeat Products

Popular Tools

Financial Calendars

Terms & Info

Transdigm Group (TDG) Insider Trading & Ownership

Transdigm Group (NYSE:TDG) Insider Buying and Selling Activity

TDG Insider Buying and Selling by Quarter

Transdigm Group Insider and Congressional Trades History

TDG Insider Trading Activity - Frequently Asked Questions

Who is on Transdigm Group's Insider Roster?

What percentage of Transdigm Group stock is owned by insiders?

Which Transdigm Group insiders have been buying company stock?

How much insider buying is happening at Transdigm Group?

Which Transdigm Group insiders have been selling company stock?

How much insider selling is happening at Transdigm Group?

Which members of congress are trading Transdigm Group?

Transdigm Group Active Insiders

More Insider Trading Tools from MarketBeat

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools