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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) 306 121 Form 4 filings on record, the earliest from Oct 17, 2024, newest first. Filing history page 1 of 3.
Date Insider Transaction Security Shares Price Value Aug 18, 2026 WH W. Nicholas Howley - Director Option exercise Common Stock
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.
Aug 18, 2026 WH W. Nicholas Howley - Director Open-market sale Common Stock 1,055 $1,232.01 $1.30M
Aug 18, 2026 WH W. Nicholas Howley - Director Open-market sale Common Stock 3,980 $1,239.17 $4.93M
Aug 18, 2026 WH W. Nicholas Howley - Director Open-market sale Common Stock 1,313 $1,240.42 $1.63M
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 100 $1,243.91 $124K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 145 $1,245.29 $181K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 37 $1,245.90 $46K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 48 $1,247.31 $60K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 60 $1,248.26 $75K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 20 $1,250.82 $25K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 80 $1,252.11 $100K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 30 $1,253.08 $38K
Aug 17, 2026 JR Joel Reiss - Officer Option exercise Stock Option 3,900 $0.00 -
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 138 $1,243.03 $172K
Aug 17, 2026 JR Joel Reiss - Officer Option exercise Common Stock 3,900 $284.97 $1.11M
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 140 $1,232.82 $173K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 260 $1,233.87 $321K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 327 $1,234.93 $404K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 373 $1,235.86 $461K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 671 $1,236.80 $830K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 499 $1,237.87 $618K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 340 $1,238.84 $421K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 400 $1,239.99 $496K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 120 $1,240.78 $149K
Aug 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 112 $1,242.28 $139K
Jul 15, 2026 JR Joel Reiss - Officer Option exercise Stock Option 3,900 $0.00 -
Jul 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 10 $1,233.38 $12K
Jul 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 190 $1,230.06 $234K
Jul 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 70 $1,231.09 $86K
Jul 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 144 $1,232.34 $177K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 32 $1,268.87 $41K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 58 $1,270.02 $74K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 502 $1,275.35 $640K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 428 $1,276.42 $546K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 494 $1,277.43 $631K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 316 $1,278.53 $404K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 158 $1,279.55 $202K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 152 $1,280.50 $195K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 150 $1,281.84 $192K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 90 $1,282.60 $115K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 136 $1,283.73 $175K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 74 $1,285.04 $95K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 60 $1,285.90 $77K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 30 $1,287.59 $39K
Jun 15, 2026 JR Joel Reiss - Officer Option exercise Common Stock 3,900 $284.97 $1.11M
Jun 15, 2026 JR Joel Reiss - Officer Option exercise Stock Option 3,900 $0.00 -
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 146 $1,271.29 $186K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 174 $1,272.38 $221K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 300 $1,273.33 $382K
Jun 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 600 $1,274.35 $765K
May 15, 2026 JR Joel Reiss - Officer Option exercise Common Stock 3,900 $284.97 $1.11M
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 71 $1,144.43 $81K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 259 $1,145.37 $297K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 120 $1,146.17 $138K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 462 $1,147.52 $530K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 775 $1,148.25 $890K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 463 $1,149.33 $532K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 119 $1,150.33 $137K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 151 $1,151.49 $174K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 50 $1,152.28 $58K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 130 $1,153.71 $150K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 70 $1,154.78 $81K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 50 $1,156.07 $58K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 45 $1,158.62 $52K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 95 $1,159.69 $110K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 70 $1,160.33 $81K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 110 $1,162.65 $128K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 10 $1,163.19 $12K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 76 $1,164.94 $89K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 177 $1,165.94 $206K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 121 $1,167.02 $141K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 186 $1,168.13 $217K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 81 $1,169.13 $95K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 26 $1,170.54 $30K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 43 $1,172.05 $50K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 63 $1,172.69 $74K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 30 $1,174.39 $35K
May 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 47 $1,175.28 $55K
May 15, 2026 JR Joel Reiss - Officer Option exercise Stock Option 3,900 $0.00 -
Apr 15, 2026 JR Joel Reiss - Officer Option exercise Common Stock 3,900 $284.97 $1.11M
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 233 $1,274.57 $297K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 120 $1,275.19 $153K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 10 $1,289.25 $13K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 383 $1,276.49 $489K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 203 $1,277.23 $259K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 390 $1,278.41 $499K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 519 $1,279.39 $664K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 574 $1,280.41 $735K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 377 $1,281.58 $483K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 308 $1,282.37 $395K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 326 $1,283.55 $418K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 165 $1,284.59 $212K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 32 $1,285.33 $41K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 100 $1,286.57 $129K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 57 $1,291.76 $74K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 53 $1,292.66 $69K
Apr 15, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 50 $1,294.77 $65K
Apr 15, 2026 JR Joel Reiss - Officer Option exercise Stock Option 3,900 $0.00 -
Mar 20, 2026 PP Peter Palmer Grant or award Common Stock 30 $1,214.66 $36K
Mar 20, 2026 DB David Barr Grant or award Common Stock 41 $1,214.66 $50K
Mar 20, 2026 MG Michael Graff Grant or award Common Stock 30 $1,214.66 $36K
Mar 16, 2026 JR Joel Reiss - Officer Option exercise Common Stock 3,900 $284.97 $1.11M
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 20 $1,222.87 $24K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 70 $1,231.69 $86K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 60 $1,232.57 $74K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 50 $1,233.62 $62K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 40 $1,235.13 $49K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 56 $1,236.31 $69K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 134 $1,237.75 $166K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 160 $1,238.57 $198K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 260 $1,239.94 $322K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 420 $1,240.92 $521K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 320 $1,241.99 $397K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 350 $1,243.00 $435K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 120 $1,244.09 $149K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 90 $1,245.10 $112K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 227 $1,246.21 $283K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 531 $1,247.08 $662K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 490 $1,248.24 $612K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 315 $1,249.29 $394K
Mar 16, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 187 $1,250.25 $234K
Mar 16, 2026 JR Joel Reiss - Officer Option exercise Stock Option 3,900 $0.00 -
Feb 25, 2026 RS Robert J. Small - Director Open-market purchase Common Stock 1 $1,285.00 $1K
Feb 17, 2026 JR Joel Reiss - Officer Option exercise Common Stock 3,900 $284.97 $1.11M
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 27 $1,279.68 $35K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 113 $1,280.72 $145K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 99 $1,282.44 $127K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 71 $1,283.22 $91K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 120 $1,284.71 $154K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 120 $1,286.06 $154K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 106 $1,287.16 $136K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 104 $1,287.99 $134K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 140 $1,289.10 $180K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 140 $1,290.22 $181K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 182 $1,291.11 $235K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 214 $1,292.35 $277K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 361 $1,293.21 $467K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 172 $1,294.31 $223K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 266 $1,295.50 $345K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 248 $1,296.63 $322K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 326 $1,297.49 $423K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 392 $1,298.74 $509K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 220 $1,299.56 $286K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 330 $1,300.91 $429K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 29 $1,302.41 $38K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 50 $1,303.99 $65K
Feb 17, 2026 JR Joel Reiss - Officer Open-market sale Common Stock 70 $1,305.28 $91K
Feb 17, 2026 JR Joel Reiss - Officer Option exercise Stock Option 3,900 $0.00 -
Feb 6, 2026 ML Michael Lisman - Officer Open-market purchase Common Stock 950 $1,284.26 $1.22M
Feb 5, 2026 SW Sarah Wynne - Officer Option exercise Common Stock 1,494 $559.78 $836K
Feb 5, 2026 SW Sarah Wynne - Officer Option exercise Stock Option 1,494 $0.00 -
Feb 2, 2026 KS Kevin M. Stein Open-market sale Common Stock 1,421 $1,431.46 $2.03M
Feb 2, 2026 KS Kevin M. Stein Open-market sale Common Stock 1,364 $1,432.53 $1.95M
Feb 2, 2026 KS Kevin M. Stein Open-market sale Common Stock 3,093 $1,433.46 $4.43M
Feb 2, 2026 KS Kevin M. Stein Open-market sale Common Stock 1,462 $1,434.63 $2.10M
Feb 2, 2026 KS Kevin M. Stein Open-market sale Common Stock 810 $1,435.63 $1.16M
Feb 2, 2026 KS Kevin M. Stein Open-market sale Common Stock 1,497 $1,436.43 $2.15M
Feb 2, 2026 KS Kevin M. Stein Open-market sale Common Stock 428 $1,437.40 $615K
Feb 2, 2026 KS Kevin M. Stein Open-market sale Common Stock 270 $1,438.91 $389K
Feb 2, 2026 KS Kevin M. Stein Open-market sale Common Stock 720 $1,439.56 $1.04M
Feb 2, 2026 KS Kevin M. Stein Open-market sale Common Stock 10 $1,440.48 $14K
Transportation Logistics Systems, Inc.
W. Nicholas Howley - DirectorOpen-market sale$250K
