Joel Reiss Insider Trades & Stock Holdings

Co-Chief Operating Officer · TransDigm Group Incorporated · Latest filing Oct 15, 2026

Joel Reiss, Co-Chief Operating Officer at TransDigm Group Incorporated has 3 Form 4 trades on file since Jun 15, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($4.62M), net -$4.62M. Latest filing: disposed of 4.10K shares of $TDG on Oct 15, 2026 at $1,128.04.

Trades on file

3

Open-market bought

$0

Open-market sold

$4.62M

Net open-market

-$4.62M

Shares held ($TDG)

3.60K

Latest filing

Oct 15, 2026

Shares held by Joel Reiss

• $TDG3.60K sh

Shares owned after the most recent Form 4 for each company.

All insider trades by Joel Reiss

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 15, 2026	$TDG	Sell (Open-market sale) 10b5-1	4.10K	$1,128.04	$4.62M	3.60K	-53.25%				Co-Chief Operating Officer	SEC	Read
Jun 15, 2026	$TDG	Sell (Option exercise)	3.90K	$0	—			+1.5%	-3.5%		Co-Chief Operating Officer		—
Jun 15, 2026	$TDG	Buy (Option exercise)	3.90K	$284.97	$1.11M			+1.5%	-3.5%		Co-Chief Operating Officer		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Joel Reiss traded

• $TDG

Frequently asked questions

Has Joel Reiss been buying or selling stock?

Joel Reiss has 0 open-market purchases and 1 open-market sale on file, net -$4.62M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Joel Reiss's latest insider trade?

disposed of 4.10K shares of $TDG on Oct 15, 2026 at $1,128.04.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.