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TransDigm Group INC (TDG) S&P 500 XNYS AIRCRAFT PARTS & AUXILIARY EQUIPMENT, NEC Net insider selling (90d)
Latest TDG Insider Trades
About TransDigm Group INC (TDG) TransDigm manufactures and services a broad set of specialized parts for commercial and military aircraft. The firm has three segments: power and control, airframes, and a small nonaviation segment, which serves mostly off-road vehicles and mining equipment. It is an acquisitive holding company focused on buying up smaller firms that make proprietary aerospace products with substantial aftermarket revenue. TransDigm regularly employs financial leverage to amplify its operating results.
Headquarters CLEVELAND, OH
Employees 16,500
Listed 2006
Exchange XNYS https://www.transdigm.com SEC filings for TDG on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 89 38,610 $48.54M Option exercise 11 80,292 Other acquisition / disposition 1 0
TDG Insider Transactions (Form 4) 178 121 Form 4 filings on record, the earliest from Oct 17, 2024, newest first. Filing history page 3 of 3.
Date Insider Transaction Security Shares Price Value Nov 4, 2025 ML Michael Lisman - Officer Grant or award Stock Option 75,696
Recent TDG Form 8-K Filings 5
Recent TDG Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 7, 2026 THE FORTUNA TRUST U/T/A DTD 06/01/2018 Director 37,690 $47.57M View on EDGAR Jun 18, 2026 - -
TDG Insider Trading - FAQ
What is the latest insider trade for TDG? TransDigm Group INC (TDG) had 8 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for TDG runs to 121 Form 4 filings, the earliest from 2024-10-17. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying TDG stock? No insider purchases of TDG were filed in the last 90 days. 8 purchases are on record for this company.
How many insiders are selling TDG stock? 89 insider sales of TDG were filed in the last 90 days, totaling $48.54M.
Where can I see TDG SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks TDG Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow TDG insider buys? Create a free InsiderAlpha account and press Watch on this page to add TDG to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Industrials Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track TDG insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free Open-market sale
$86K
Market cap $65.56B
P/E ratio 35.90
Dividend yield -
Average volume 397.2K
52 week high $1,463.03
52 week low $1,123.61
Today's high $1,185.47
Today's low $1,161.25
Open $1,180.00
Volume 497.3K
Previous close $1,185.97
Shares outstanding 55.28M Market cap
$65.56B
16,500 employees
TDG Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 89 sales totaling $48.54M.
Most-Active TDG Insiders - Last 90 Days 10 Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Nov 4, 2025 ML Michael Lisman - Officer Grant or award Stock Option 3,907 $0.00 -
Nov 4, 2025 JR Joel Reiss - Officer Grant or award Stock Option 9,700 $0.00 -
Nov 4, 2025 SW Sarah Wynne - Officer Grant or award Stock Option 8,700 $0.00 -
Nov 4, 2025 AV Armani Vadiee - Officer Grant or award Stock Option 17,100 $0.00 -
Oct 27, 2025 KS Kevin M. Stein Open-market sale Common Stock 700 $1,360.00 $952K
Oct 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 524 $1,280.42 $671K
Oct 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 844 $1,283.39 $1.08M
Oct 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 40 $1,283.99 $51K
Oct 20, 2025 JR Joel Reiss - Officer Option exercise Common Stock 3,000 $284.97 $855K
Oct 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 100 $1,275.00 $128K
Oct 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 200 $1,281.07 $256K
Oct 20, 2025 JR Joel Reiss - Officer Option exercise Stock Option 3,000 $0.00 -
Oct 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 42 $1,272.58 $53K
Oct 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 200 $1,273.36 $255K
Oct 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 308 $1,276.47 $393K
Oct 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 742 $1,278.02 $948K
Sep 22, 2025 JR Joel Reiss - Officer Option exercise Common Stock 3,000 $284.97 $855K
Sep 22, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 136 $1,270.15 $173K
Sep 22, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 122 $1,271.36 $155K
Sep 22, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 222 $1,272.71 $283K
Sep 22, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 120 $1,274.29 $153K
Sep 22, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 55 $1,274.86 $70K
Sep 22, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 1,288 $1,276.05 $1.64M
Sep 22, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 422 $1,277.18 $539K
Sep 22, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 635 $1,279.15 $812K
Sep 22, 2025 JR Joel Reiss - Officer Option exercise Stock Option 3,000 $0.00 -
Sep 19, 2025 MG Michael Graff Grant or award Common Stock 29 $1,288.13 $37K
Sep 19, 2025 DB David Barr Grant or award Common Stock 36 $1,288.13 $46K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 403 $1,271.39 $512K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 256 $1,272.45 $326K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 261 $1,273.55 $332K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 488 $1,274.22 $622K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 597 $1,275.23 $761K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 504 $1,276.41 $643K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 521 $1,277.16 $665K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 300 $1,278.32 $383K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 501 $1,279.19 $641K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 287 $1,280.54 $368K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 520 $1,281.22 $666K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 149 $1,282.64 $191K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 197 $1,283.19 $253K
Sep 12, 2025 RS Robert J. Small - Director Open-market sale Common Stock 16 $1,284.17 $21K
Aug 26, 2025 MG Michael Graff Option exercise Common Stock 1,760 $156.47 $275K
Aug 26, 2025 MG Michael Graff Open-market sale Common Stock 172 $1,399.44 $241K
Aug 26, 2025 MG Michael Graff Open-market sale Common Stock 228 $1,400.03 $319K
Aug 26, 2025 MG Michael Graff Open-market sale Common Stock 400 $1,402.04 $561K
Aug 26, 2025 MG Michael Graff Open-market sale Common Stock 800 $1,402.82 $1.12M
Aug 26, 2025 MG Michael Graff Open-market sale Common Stock 160 $1,404.42 $225K
Aug 26, 2025 MG Michael Graff Option exercise Stock Option 1,760 $0.00 -
Aug 20, 2025 JR Joel Reiss - Officer Option exercise Common Stock 3,000 $284.97 $855K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 487 $1,399.60 $682K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 287 $1,401.01 $402K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 342 $1,403.59 $480K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 343 $1,404.50 $482K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 158 $1,405.68 $222K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 152 $1,406.58 $214K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 22 $1,407.09 $31K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 200 $1,408.62 $282K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 238 $1,410.29 $336K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 571 $1,411.41 $806K
Aug 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 200 $1,413.00 $283K
Aug 20, 2025 JR Joel Reiss - Officer Option exercise Stock Option 3,000 $0.00 -
Jul 21, 2025 JR Joel Reiss - Officer Option exercise Common Stock 3,000 $284.97 $855K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 229 $1,586.14 $363K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 140 $1,586.78 $222K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 134 $1,588.23 $213K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 200 $1,590.80 $318K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 10 $1,592.18 $16K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 348 $1,593.71 $555K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 300 $1,599.00 $480K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 220 $1,600.66 $352K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 714 $1,601.31 $1.14M
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 200 $1,603.19 $321K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 200 $1,604.26 $321K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 148 $1,605.69 $238K
Jul 21, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 157 $1,607.49 $252K
Jul 21, 2025 JR Joel Reiss - Officer Option exercise Stock Option 3,000 $0.00 -
Jun 20, 2025 JR Joel Reiss - Officer Option exercise Common Stock 3,000 $284.97 $855K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 200 $1,410.11 $282K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 100 $1,411.86 $141K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 356 $1,420.70 $506K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 154 $1,421.49 $219K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 254 $1,422.52 $361K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 447 $1,424.40 $637K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 233 $1,425.22 $332K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 495 $1,426.79 $706K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 10 $1,427.72 $14K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 451 $1,430.03 $645K
Jun 20, 2025 JR Joel Reiss - Officer Open-market sale Common Stock 300 $1,431.11 $429K
Jun 20, 2025 JR Joel Reiss - Officer Option exercise Stock Option 3,000 $0.00 -
Jun 13, 2025 SW Sarah Wynne - Officer Option exercise Common Stock 1,800 $559.78 $1.01M
Jun 13, 2025 SW Sarah Wynne - Officer Open-market sale Common Stock 1,800 $1,450.00 $2.61M
Jun 13, 2025 SW Sarah Wynne - Officer Option exercise Stock Option 1,800 $0.00 -
Jun 12, 2025 SW Sarah Wynne - Officer Option exercise Common Stock 3,200 $559.78 $1.79M
Jun 12, 2025 SW Sarah Wynne - Officer Open-market sale Common Stock 1,101 $1,451.30 $1.60M
Jun 12, 2025 SW Sarah Wynne - Officer Open-market sale Common Stock 1,897 $1,452.48 $2.76M
Jun 12, 2025 SW Sarah Wynne - Officer Open-market sale Common Stock 202 $1,453.60 $294K
Jun 12, 2025 SW Sarah Wynne - Officer Option exercise Stock Option 3,200 $0.00 -
Jun 10, 2025 RS Robert J. Small - Director Open-market sale Common Stock 5,200 $1,425.01 $7.41M
Jun 10, 2025 RS Robert J. Small - Director Open-market sale Common Stock 40,500 $1,425.01 $57.71M
Transportation Logistics Systems, Inc.
W. Nicholas Howley - DirectorOpen-market sale$250K
