TransDigm Group INC (TDG)
Data as of , from SEC Form 4 filings.
See up to 3 months of TDG. The 7-day demo opens the 1M and 3M ranges and puts TDG on your watchlist.
Start 7-day demoLatest TDG insider trades
Joel Reiss - OfficerOpen-market sale$336K- Joel Reiss
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.
- CLEVELAND, OH
- 16,500
- 2006
- NYSE
TDG Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 72 | 28,064 | $33.95M |
| Grant or award | 10 | 460 | |
| Option exercise | 9 | 60,028 | |
TDG insider transactions (Form 4)
108133 Form 4 filings on record, the earliest from Oct 17, 2024, newest first. Filing history page 3 of 3.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
 W. Nicholas Howley | Option exercise | Common Stock | 2,736 | $50.92 footnote F1 | $139K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 10 | $1,327.88 footnote F2 | $13K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 610 | $1,331.27 footnote F3 | $812K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 515 | $1,333.69 footnote F4 | $687K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 1,057 | $1,334.89 footnote F5 | $1.41M | |
| W. Nicholas Howley | Open-market sale | Common Stock | 23 | $1,335.61 footnote F6 | $31K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 41 | $1,338.49 footnote F7 | $55K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 32 | $1,339.14 footnote F8 | $43K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 36 | $1,340.96 footnote F9 | $48K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 56 | $1,341.99 footnote F10 | $75K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 61 | $1,343.82 footnote F11 | $82K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 87 | $1,344.78 footnote F12 | $117K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 83 | $1,347.53 footnote F13 | $112K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 20 | $1,348.07 footnote F14 | $27K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 105 | $1,328.60 | $140K | |
| W. Nicholas Howley | Option exercise | Stock Option | 2,736 | $0.00 | - | |
| ||||||
| Jane M. Cronin | Grant or award | Stock Option | 518 | $0.00 | - | |
| Michael Graff | Grant or award | Stock Option | 518 | $0.00 | - | |
| W. Nicholas Howley | Grant or award | Stock Option | 518 | $0.00 | - | |
| Peter Palmer | Grant or award | Stock Option | 518 | $0.00 | - | |
 Michele Santana | Grant or award | Stock Option | 518 | $0.00 | - | |
| Kevin M. Stein | Grant or award | Stock Option | 518 | $0.00 | - | |
| Patrick Joseph Murphy - Officer | Grant or award | Stock Option | 26,450 | $0.00 | - | |
| Armani Vadiee - Officer | Grant or award | Stock Option | 17,100 | $0.00 | - | |
| Sarah Wynne - Officer | Grant or award | Stock Option | 8,700 | $0.00 | - | |
| Joel Reiss - Officer | Grant or award | Stock Option | 9,700 | $0.00 | - | |
| Michael Lisman - Officer | Grant or award | Stock Option | 75,696 | $0.00 | - | |
| Michael Lisman - Officer | Grant or award | Stock Option | 3,907 | $0.00 | - | |
| David Barr | Grant or award | Stock Option | 518 | $0.00 | - | |
| Robert J. Small | Grant or award | Stock Option | 518 | $0.00 | - | |
 Sean P. Hennessy | Grant or award | Stock Option | 518 | $0.00 | - | |
| Gary E. McCullough | Grant or award | Stock Option | 518 | $0.00 | - | |
| Patrick Joseph Murphy - Officer | Option exercise | Common Stock | 290 | $269.42 | $78K | |
| Patrick Joseph Murphy - Officer | Option exercise | Stock Option | 290 | $0.00 | - | |
| Patrick Joseph Murphy - Officer | Open-market sale | Common Stock | 290 | $1,310.00 footnote F1 | $380K | |
| ||||||
| Kevin M. Stein | Option exercise | Stock Option | 700 | $0.00 | - | |
| Kevin M. Stein | Option exercise | Common Stock | 700 | $105.88 footnote F1 | $74K | |
| Kevin M. Stein | Open-market sale | Common Stock | 700 | $1,360.00 footnote F2 | $952K | |
| ||||||
| Patrick Joseph Murphy - Officer | Option exercise | Common Stock | 580 | $269.42 | $156K | |
| Patrick Joseph Murphy - Officer | Option exercise | Stock Option | 580 | $0.00 | - | |
| Patrick Joseph Murphy - Officer | Open-market sale | Common Stock | 580 | $1,354.76 footnote F1 | $786K | |
| ||||||
| Joel Reiss - Officer | Open-market sale | Common Stock | 524 | $1,280.42 footnote F5 | $671K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 844 | $1,283.39 footnote F6 | $1.08M | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 40 | $1,283.99 footnote F7 | $51K | |
| Joel Reiss - Officer | Option exercise | Common Stock | 3,000 | $284.97 | $855K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 100 | $1,275.00 | $128K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 200 | $1,281.07 | $256K | |
| Joel Reiss - Officer | Option exercise | Stock Option | 3,000 | $0.00 | - | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 42 | $1,272.58 footnote F1 | $53K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 200 | $1,273.36 footnote F2 | $255K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 308 | $1,276.47 footnote F3 | $393K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 742 | $1,278.02 footnote F4 | $948K | |
| ||||||
| W. Nicholas Howley | Option exercise | Common Stock | 2,736 | $50.92 footnote F1 | $139K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 306 | $1,291.89 footnote F2 | $395K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 425 | $1,294.88 footnote F3 | $550K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 264 | $1,295.69 footnote F4 | $342K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 607 | $1,296.77 footnote F5 | $787K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 100 | $1,297.80 | $130K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 102 | $1,299.11 footnote F6 | $133K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 102 | $1,301.24 footnote F7 | $133K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 302 | $1,304.34 footnote F8 | $394K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 248 | $1,305.66 footnote F9 | $324K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 80 | $1,306.20 footnote F10 | $104K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 200 | $1,308.24 | $262K | |
| W. Nicholas Howley | Option exercise | Stock Option | 2,736 | $0.00 | - | |
| ||||||
| Joel Reiss - Officer | Option exercise | Common Stock | 3,000 | $284.97 | $855K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 136 | $1,270.15 | $173K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 122 | $1,271.36 | $155K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 222 | $1,272.71 | $283K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 120 | $1,274.29 | $153K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 55 | $1,274.86 | $70K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 1,288 | $1,276.05 | $1.64M | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 422 | $1,277.18 | $539K | |
| Joel Reiss - Officer | Open-market sale | Common Stock | 635 | $1,279.15 | $812K | |
| Joel Reiss - Officer | Option exercise | Stock Option | 3,000 | $0.00 | - | |
| Michele Santana | Grant or award | Common Stock | 29 | $1,288.13 | $37K | |
| Michael Graff | Grant or award | Common Stock | 29 | $1,288.13 | $37K | |
| Jane M. Cronin | Grant or award | Common Stock | 29 | $1,288.13 | $37K | |
| David Barr | Grant or award | Common Stock | 36 | $1,288.13 | $46K | |
| Sean P. Hennessy | Grant or award | Common Stock | 36 | $1,288.13 | $46K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 403 | $1,271.39 | $512K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 256 | $1,272.45 | $326K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 261 | $1,273.55 | $332K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 488 | $1,274.22 | $622K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 597 | $1,275.23 | $761K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 504 | $1,276.41 | $643K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 521 | $1,277.16 | $665K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 300 | $1,278.32 | $383K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 501 | $1,279.19 | $641K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 287 | $1,280.54 | $368K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 520 | $1,281.22 | $666K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 149 | $1,282.64 | $191K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 197 | $1,283.19 | $253K | |
| Robert J. Small - Director | Open-market sale | Common Stock | 16 | $1,284.17 | $21K | |
| Robert J. Small - Director | Gift | Common Stock | 10,000 | $0.00 | - | |
| W. Nicholas Howley | Option exercise | Common Stock | 2,736 | $50.92 | $139K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 150 | $1,273.90 | $191K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 165 | $1,276.40 | $211K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 195 | $1,277.70 | $249K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 378 | $1,278.72 | $483K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 160 | $1,280.74 | $205K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 186 | $1,282.68 | $239K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 289 | $1,284.10 | $371K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 471 | $1,285.07 | $605K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 502 | $1,286.19 | $646K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 150 | $1,287.60 | $193K | |
| W. Nicholas Howley | Open-market sale | Common Stock | 90 | $1,288.54 | $116K | |
| W. Nicholas Howley | Option exercise | Stock Option | 2,736 | $0.00 | - | |
See every TDG filing on record
These pages show the latest 90 of 133 Form 4 filings on record. The 7-day demo shows all 133, and sign-up brings you back to this table.
Item 1.01, 2.03, 9.01
Item 8.01, 9.01
Item 8.01
Item 7.01
Recent TDG Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| JOEL REISS | Officer | 8,000 | $8.89M | View on EDGAR | |
| THE FORTUNA TRUST U/T/A DTD 06/01/2018 | Director | 37,690 |
Stock trades in TDG disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
 April McClain DelaneyDemocrat, MD-06 | Sale |
TDG insider trading FAQ
What is the latest insider trade for TDG?
TransDigm Group INC (TDG) had 16 insider filings in the last 90 days, with the most recent on 2026-09-23. The full record for TDG runs to 133 Form 4 filings, the earliest from 2024-10-17. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
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?
72 insider sales of TDG were filed in the last 90 days, totaling $33.95M.
Where can I see TDG SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects TDG Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Industrials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Robert J. Small view on EDGAR
- - Peter Palmer view on EDGAR
- - W. Nicholas Howley view on EDGAR
- - Irina Igorevna Krasik view on EDGAR
- - Robert J. Small view on EDGAR
- - Michele Santana view on EDGAR
- - Gary E. McCullough view on EDGAR
- - Sean P. Hennessy view on EDGAR
- - Michael Graff view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Industrials
- Where TDG's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow TDG with a 7-day demo
- TDG on your watchlist
- Every TDG Form 4 filing on record
- Up to 3 months of TDG price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
Start 7-day demoCard required. Your card is never charged for the demo.
