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 |
|---|---|---|---|---|---|---|
| 2026-09-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −20 | $1,119.00 | $22K | 3,600 |
| 2026-09-15 | Reiss Joel Co-Chief Operating Officer | Option exercise · Stock Option 10b5-1 | −3,900 | 4,100 | ||
| 2026-08-18 | Howley W Nicholas Director | Option exercise 10b5-1 | +10,132 | $66.47 | $673K | 31,679.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −204 | $1,225.60 | $250K | 31,475.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −70 | $1,227.62 | $86K | 31,405.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −290 | $1,229.09 | $356K | 31,115.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −570 | $1,230.02 | $701K | 30,545.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −830 | $1,231.12 | $1.0M | 29,715.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −1,055 | $1,232.01 | $1.3M | 28,660.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −450 | $1,233.30 | $555K | 28,210.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −270 | $1,234.69 | $333K | 27,940.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −140 | $1,236.12 | $173K | 27,800.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −250 | $1,236.89 | $309K | 27,550.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −520 | $1,238.08 | $644K | 27,030.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −3,980 | $1,239.17 | $4.9M | 23,050.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −1,313 | $1,240.42 | $1.6M | 21,737.51 |
| 2026-08-18 | Howley W Nicholas Director | Sale 10b5-1 | −190 | $1,241.14 | $236K | 21,547.51 |
| 2026-08-18 | Howley W Nicholas Director | Option exercise · Stock Option 10b5-1 | −10,132 | 1,700 | ||
| 2026-08-17 | Reiss Joel Co-Chief Operating Officer | Option exercise 10b5-1 | +3,900 | $284.97 | $1.1M | 7,500 |
| 2026-08-17 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −140 | $1,232.82 | $173K | 7,360 |
Page 5 of 112 · 2,237 trades