TransDigm Group INC (TDG) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-24

TransDigm Group INC (TDG) has filed 6 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-24. 3 Form 8-K material event filings were reported by TDG in the last 90 days. 2 Form 144 notices of proposed sale were filed for TDG stock. InsiderAlpha tracks every TDG SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About TransDigm Group INC (TDG)

SIC classificationAircraft Parts & Auxiliary Equipment, NEC (SIC 3728)
SEC CIK0001260221

90-Day SEC Filing Activity

Form 4 filings (90d)6
Form 8-K filings (90d)3
Form 144 notices (90d)2
Latest Form 4 filing2026-06-24

Recent TDG Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Howley W NicholasInsiderS — Open-market sale964$1,314.60$1.27MSEC
Howley W NicholasInsiderS — Open-market sale677$1,323.27$896KSEC
Howley W NicholasInsiderS — Open-market sale112$1,305.19$146KSEC
Howley W NicholasInsiderS — Open-market sale160$1,310.45$210KSEC
Howley W NicholasInsiderS — Open-market sale893$1,317.75$1.18MSEC
Howley W NicholasInsiderS — Open-market sale305$1,321.91$403KSEC
Howley W NicholasInsiderS — Open-market sale268$1,321.13$354KSEC
Howley W NicholasInsiderM — Option exercise10.1K$66.47$673KSEC
Howley W NicholasInsiderS — Open-market sale97$1,308.05$127KSEC
Howley W NicholasInsiderS — Open-market sale115$1,308.92$151KSEC
Howley W NicholasInsiderS — Open-market sale745$1,315.71$980KSEC
Howley W NicholasInsiderS — Open-market sale1.4K$1,316.86$1.81MSEC
Howley W NicholasInsiderS — Open-market sale1.9K$1,318.84$2.54MSEC
Howley W NicholasInsiderS — Open-market sale827$1,319.90$1.09MSEC
Howley W NicholasInsiderS — Open-market sale377$1,324.30$499KSEC

All transactions sourced from SEC EDGAR Form 4 filings for TransDigm Group INC (TDG). Updated in real time as new filings are submitted to the SEC.

Most-Active TDG Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Howley W Nicholas67$40.02M
Reiss Joel49$11.70M

Recent TDG Form 8-K Material Events

Recent TDG Form 144 Notices of Proposed Sale

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in TDG insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

TDG Insider Trading — FAQ

What is the latest insider trade for TDG?
TransDigm Group INC (TDG) had 6 insider filings in the last 90 days, with the most recent on 2026-06-24. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying TDG stock?
0 insider purchases of TDG were filed in the last 90 days.
How many insiders are selling TDG stock?
0 insider sales of TDG were filed in the last 90 days.
Where can I see TDG SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every TDG SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Related Companies — Recent Insider Activity

Learn More

Open the live TDG dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.