TDG
TransDigm Group INC
NYSE · Industrials · Aerospace & Defense · US
$1,086.05
+0.93%0
Insider buys (3m)
91
Insider sells (3m)
-$37.5M
Net value (3m)
-16.2%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 100 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | M-Exempt | 3,900 | $285 |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 150 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 240 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 170 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 196 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 294 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 110 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 30 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 274 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 282 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 125 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 383 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 90 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 20 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 70 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 166 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 210 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 60 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 10 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 310 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 120 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 40 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 5 | $1.1K |
| Sep 16, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 225 | $1.1K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 290 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 830 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 520 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | M-Exempt | 10,132 | $66 |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 70 | $1.2K |
Institutional positioning
13F filings over the trailing two quarters
New 259Increased 845Reduced 781Sold out 97
| Filer | Action | Shares | Filed |
|---|---|---|---|
| CAPITAL INTERNATIONAL INVESTORS | Reduced | 5,494,695 | May 13, 2026 |
| Capital International Investors | Reduced | 5,062,682 | Aug 12, 2026 |
| BlackRock, Inc. | Increased | 4,871,505 | Aug 7, 2026 |
| CAPITAL WORLD INVESTORS | Increased | 4,666,491 | May 13, 2026 |
| BLACKROCK, INC. | Increased | 4,601,252 | May 13, 2026 |
| Capital World Investors | Reduced | 4,274,109 | Aug 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3,669,729 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 3,653,511 | Aug 13, 2026 |
| CAPITAL RESEARCH GLOBAL INVESTORS | Increased | 3,143,509 | May 13, 2026 |
| Capital Research Global Investors | Reduced | 3,119,490 | Aug 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 2,580,994 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2,573,087 | May 8, 2026 |
| STATE STREET CORP | Increased | 2,559,096 | Aug 7, 2026 |
| STATE STREET CORP | Increased | 2,516,606 | May 15, 2026 |
| PRINCIPAL FINANCIAL GROUP INC | Reduced | 2,013,784 | May 4, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 16, 2026