CIK 0001260221 · Large accelerated filer
TransDigm Group INC
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- TDG
- Exchange
- NYSE
- Industry
- Aircraft Parts & Auxiliary Equipment, NEC
- FY end
- Sep 30
- Incorporated
- DE
- Entity type
- operating
- EIN
- 510484716
- Phone
- 216 706 2960
- Business address
- 1350 EUCLID AVENUE, SUITE 1600, CLEVELAND, OH, 44115
- Former names
- TD HOLDING CORP
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $26,250,917
- in 4 filings, $26.3M under 10b5-1 plans
Net −$26,250,917. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-01-05 | Stein Kevin M Director | Sale 10b5-1 | −1,338 | $1,375.16 | $1.8M | 16,334 |
| 2026-01-05 | Stein Kevin M Director | Sale 10b5-1 | −1,587 | $1,376.15 | $2.2M | 14,747 |
| 2026-01-05 | Stein Kevin M Director | Sale 10b5-1 | −403 | $1,377.30 | $555K | 14,344 |
| 2026-01-05 | Stein Kevin M Director | Sale 10b5-1 | −1,239 | $1,378.51 | $1.7M | 13,105 |
| 2026-01-05 | Stein Kevin M Director | Sale 10b5-1 | −1,218 | $1,379.64 | $1.7M | 11,887 |
| 2026-01-05 | Stein Kevin M Director | Sale 10b5-1 | −385 | $1,380.53 | $532K | 11,502 |
| 2026-01-05 | Stein Kevin M Director | Sale 10b5-1 | −903 | $1,381.53 | $1.2M | 10,599 |
| 2026-01-05 | Stein Kevin M Director | Sale 10b5-1 | −1,867 | $1,382.62 | $2.6M | 8,732 |
| 2026-01-05 | Stein Kevin M Director | Sale 10b5-1 | −274 | $1,384.12 | $379K | 8,458 |
| 2026-01-05 | Stein Kevin M Director | Sale 10b5-1 | −300 | $1,387.04 | $416K | 8,158 |
| 2026-01-05 | Stein Kevin M Director | Option exercise · Stock Option 10b5-1 | −17,940 | 20,000 | ||
| 2026-01-05 | Stein Kevin M Director | Option exercise · Stock Option 10b5-1 | −7,060 | 42,940 | ||
| 2026-01-02 | Murphy Patrick Joseph Co-Chief Operating Officer | Option exercise 10b5-1 | +290 | $269.42 | $78K | 1,345 |
| 2026-01-02 | Murphy Patrick Joseph Co-Chief Operating Officer | Sale 10b5-1 | −290 | $1,329.03 | $385K | 1,055 |
| 2026-01-02 | Murphy Patrick Joseph Co-Chief Operating Officer | Option exercise · Stock Option 10b5-1 | −290 | 1,450 | ||
| 2025-12-15 | Reiss Joel Co-Chief Operating Officer | Option exercise 10b5-1 | +3,900 | $284.97 | $1.1M | 7,500 |
| 2025-12-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −80 | $1,282.73 | $103K | 7,420 |
| 2025-12-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −280 | $1,283.70 | $359K | 7,140 |
| 2025-12-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −220 | $1,284.78 | $283K | 6,920 |
| 2025-12-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −220 | $1,285.64 | $283K | 6,700 |
Page 28 of 112 · 2,237 trades