TDG
TransDigm Group INC · Manufacturing · Market cap $62.4B
Insiders sold $38.6M net in the last 90 days ·2 sellers, 0 buyers· latest Form 4 filed Oct 16, 2026
Insider Buying
$1.2M
reported purchases (SEC code P)
Insider Selling
$275.5M
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Oct 16, 2026
Reiss Joel
TransDigm Group INC (TDG) has 48 SEC Form 4 filings (500 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Oct 16, 2026.
Inside the rolling window, 6 insiders at TransDigm Group INC reported 2 open-market purchases totaling $1.2M and 22 open-market sales totaling $275.5M. The most active filer is Co-Chief Operating Officer Reiss Joel with 10 filings. Insiders have net sold $91.0M over the trailing 6 months. The most recent open-market filing is a sale of 4,100 shares by Co-Chief Operating Officer Reiss Joel, dated Oct 15, 2026, worth $4.6M.
- Industry:Aerospace & Defense
- CEO:Michael J. Lisman
- Employees:16,500
- HQ:Cleveland, OH, US
- IPO:2006-03-15
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Co-Chief Operating Officer | Sale | 4,100 | $4.6M | Oct 16 | -0.9% | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 3,900 | $4.3M | Sep 16 | — | SEC ↗ | |
| Director | Sale | 10,132 | $12.5M | Aug 19 | — | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 3,900 | $4.8M | Aug 18 | — | SEC ↗ | |
| Director | Sale | 10,132 | $12.3M | Jul 21 | — | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 3,900 | $4.7M | Jul 17 | — | SEC ↗ | |
| Director | Sale | 10,132 | $13.4M | Jun 22 | — | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 3,900 | $5.0M | Jun 16 | — | SEC ↗ | |
| Director | Sale | 10,132 | $12.0M | May 19 | — | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 3,900 | $4.5M | May 18 | — | SEC ↗ | |
| Director | Sale | 10,132 | $12.8M | Apr 21 | — | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 3,900 | $5.0M | Apr 16 | — | SEC ↗ | |
| Director | Sale | 10,132 | $12.3M | Mar 19 | — | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 3,900 | $4.9M | Mar 17 | — | SEC ↗ | |
| Director | Purchase | 1 | $1K | Feb 27 | — | SEC ↗ | |
Howley W NicholasFirst in 3 months | Director | Sale | 10,168 | $13.3M | Feb 20 | — | SEC ↗ |
| Co-Chief Operating Officer | Sale | 3,900 | $5.0M | Feb 18 | — | SEC ↗ | |
| President & CEO | Purchase | 950 | $1.2M | Feb 9 | — | SEC ↗ | |
| Director | Sale | 48,000 | $68.5M | Feb 3 | — | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 290 | $415K | Feb 3 | — | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 3,900 | $5.6M | Jan 16 | — | SEC ↗ | |
| Director | Sale | 7,627 | $10.7M | Jan 16 | — | SEC ↗ | |
| Director | Sale | 17,373 | $24.4M | Jan 9 | — | SEC ↗ | |
| Director | Sale | 25,000 | $34.3M | Jan 6 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading TDG 45 all-time
- DRep. April DelaneySale$100,001 - $250,0002026-08-25
- DRep. April DelaneyPurchase$1,001 - $15,0002026-07-28
- DRep. April McClain DelaneyPurchase$1,001 - $15,0002026-07-28
- RSen. Alan ArmstrongPurchase$1,001 - $15,0002026-03-27
- DRep. April McClain DelaneyPurchase$1,001 - $15,0002026-05-22
- DRep. April McClain DelaneyPurchase$1,001 - $15,0002026-05-13
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does TDG have?
TransDigm Group INC (TDG) has 48 SEC Form 4 filings (500 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Oct 16, 2026.
When was the most recent SEC Form 4 filing for TDG?
The most recent Form 4 filing for TDG on Tracefour is dated Oct 16, 2026.
Who is the most active insider at TDG?
The most active SEC Form 4 filer at TDG in the rolling window is Co-Chief Operating Officer Reiss Joel, with 10 filings.
What is the net insider flow at TDG over the last 6 months?
Over the trailing 180 days, insiders at TDG have net sold $91.0M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at TDG in the current window?
Inside the rolling window, insiders at TDG bought $1.2M and sold $275.5M based on SEC Form 4 filings.
Can I get alerts for TDG insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at TransDigm Group INC (TDG). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
TransDigm Group INC is in the Manufacturing sector.