TDG
TransDigm Group INC
Latest Form 4:Sale$12.5MbyHowley W Nicholas (Director) · filed Aug 19, 2026
TransDigm Group INC (TDG) has 47 SEC Form 4 filings (500 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Aug 19, 2026.
The most active filer is Director Stein Kevin M with 10 filings. Insiders have net sold $117.5M over the trailing 6 months.
- Industry:Aerospace & Defense
- CEO:Michael J. Lisman
- Employees:16,500
- HQ:Cleveland, OH, US
- IPO:2006-03-15
Insider Buying
$1.2M
reported purchases (SEC code P)
Insider Selling
$437.0M
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Market Cap
$65.6B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| 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 ↗ | |
| Co-Chief Operating Officer | Sale | 290 | $385K | Jan 5 | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 3,900 | $5.0M | Dec 16 | SEC ↗ | |
| Director | Sale | 4,700 | $6.1M | Dec 11 | SEC ↗ | |
| Director | Sale | 90,953 | $121.5M | Dec 9 | SEC ↗ | |
| Director | Sale | 17,526 | $23.9M | Dec 5 | SEC ↗ | |
| Co-Chief Operating Officer | Sale | 290 | $392K | Dec 2 | SEC ↗ | |
| Director | Sale | 4,592 | $6.2M | Dec 1 | SEC ↗ | |
| Director | Sale | 4,187 | $5.7M | Nov 26 | SEC ↗ | |
| Director | Sale | 30 | $41K | Nov 26 | SEC ↗ | |
| Director | Sale | 230 | $313K | Nov 24 | SEC ↗ | |
| Director | Sale | 655 | $891K | Nov 21 | SEC ↗ |
Congress trading TDG
See timeline →- DRep. April DelaneyPurchase$1,001 - $15,0002026-07-28
- RSen. Alan ArmstrongPurchase$1,001 - $15,0002026-03-27
- DRep. April DelaneyPurchase$1,001 - $15,0002026-04-17
- DRep. April DelaneyPurchase$1,001 - $15,0002026-04-15
- DRep. April DelaneyPurchase$1,001 - $15,0002026-04-20
- DRep. April DelaneyPurchase$15,001 - $50,0002026-04-16
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Related companies
TransDigm Group INC is in the Manufacturing sector.