TDG
TransDigm Group Incorporated
NYSE · Industrials · Aerospace & Defense · US
$1,162.05
+0.36%0
Insider buys (3m)
107
Insider sells (3m)
-$51.8M
Net value (3m)
-6.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 140 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 1,055 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 204 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 270 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 450 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 3,980 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 290 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 520 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 570 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 70 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 830 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 250 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 190 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | Sale | 1,313 | $1.2K |
| Aug 19, 2026 | Howley W Nicholas · director | M-Exempt | 10,132 | $66 |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 20 | $1.3K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | M-Exempt | 3,900 | $285 |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 30 | $1.3K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 499 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 60 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 140 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 48 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 138 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 260 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 112 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 671 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 327 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 37 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 340 | $1.2K |
| Aug 18, 2026 | Reiss Joel · officer: Co-Chief Operating Officer | Sale | 120 | $1.2K |
Institutional positioning
13F filings over the trailing two quarters
New 262Increased 845Reduced 783Sold out 98
| 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 Aug 19, 2026