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 |
|---|---|---|---|---|---|---|
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −396 | $1,427.27 | $565K | 6,435 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −477 | $1,428.03 | $681K | 5,958 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −260 | $1,429.14 | $372K | 5,698 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −372 | $1,430.21 | $532K | 5,326 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −453 | $1,431.26 | $648K | 4,873 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −257 | $1,432.40 | $368K | 4,616 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −486 | $1,433.36 | $697K | 4,130 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −200 | $1,434.18 | $287K | 3,930 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −205 | $1,435.14 | $294K | 3,725 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −35 | $1,436.15 | $50K | 3,690 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −50 | $1,437.56 | $72K | 3,640 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Sale 10b5-1 | −40 | $1,438.91 | $58K | 3,600 |
| 2026-01-15 | Reiss Joel Co-Chief Operating Officer | Option exercise · Stock Option 10b5-1 | −3,900 | 35,300 | ||
| 2026-01-14 | Stein Kevin M Director | Option exercise 10b5-1 | +7,627 | $342.31 | $2.6M | 15,785 |
| 2026-01-14 | Stein Kevin M Director | Sale 10b5-1 | −2,141 | $1,405.64 | $3.0M | 13,644 |
| 2026-01-14 | Stein Kevin M Director | Sale 10b5-1 | −3,964 | $1,406.41 | $5.6M | 9,680 |
| 2026-01-14 | Stein Kevin M Director | Sale 10b5-1 | −1,522 | $1,407.34 | $2.1M | 8,158 |
| 2026-01-14 | Stein Kevin M Director | Option exercise · Stock Option. 10b5-1 | −7,627 | 43,000 | ||
| 2026-01-08 | Stein Kevin M Director | Option exercise 10b5-1 | +17,373 | $342.31 | $5.9M | 25,531 |
| 2026-01-08 | Stein Kevin M Director | Sale 10b5-1 | −6,384 | $1,405.30 | $9.0M | 19,147 |
Page 26 of 112 · 2,237 trades