Stein Kevin M's Form 4 filing
TransDigm Group INC (TDG) · filed Feb 3, 2026
- Accession no.
- 0001193125-26-035714
- Filed
- Feb 3, 2026
- Trade date
- Feb 2, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 24 non-derivative transactions and 2 derivative transactions. Open-market sales total $52.6M. It was filed 1 day after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Stein Kevin MCIK 0001431675 | Director |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Feb 2, 2026 | Common Stock | MOption exerciseAcquired | +25,000 | $341.28F1 | +$8,532,000 | 33,158 | Indirect | |
| Feb 2, 2026 | Common Stock | MOption exerciseAcquired | +23,000 | $342.31F1 | +$7,873,130 | 56,158 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −40 | $1,404.68 | −$56,187.2 | 56,118 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −218 | $1,407.76F2 | −$306,891.68 | 55,900 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −2 | $1,409.71 | −$2,819.42 | 55,898 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −6 | $1,410.98F3 | −$8,465.88 | 55,892 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −1 | $1,412.26 | −$1,412.26 | 55,891 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −175 | $1,414.04F4 | −$247,457 | 55,716 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −58 | $1,414.36F5 | −$82,032.88 | 55,658 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −52 | $1,415.63F6 | −$73,612.76 | 55,606 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −2 | $1,416.40F7 | −$2,832.8 | 55,604 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −48 | $1,417.44F8 | −$68,037.12 | 55,556 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −112 | $1,419.43F9 | −$158,976.16 | 55,444 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −223 | $1,420.51F10 | −$316,773.73 | 55,221 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −861 | $1,421.73F11 | −$1,224,109.53 | 54,360 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −2,141 | $1,422.48F12 | −$3,045,529.68 | 52,219 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −3,997 | $1,423.66F13 | −$5,690,369.02 | 48,222 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −4,859 | $1,424.47F14 | −$6,921,499.73 | 43,363 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −5,906 | $1,425.57F15 | −$8,419,416.42 | 37,457 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −5,665 | $1,426.61F16 | −$8,081,745.65 | 31,792 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −6,665 | $1,427.38F17 | −$9,513,487.7 | 25,127 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −2,067 | $1,428.64F18 | −$2,952,998.88 | 23,060 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −1,810 | $1,429.61F19 | −$2,587,594.1 | 21,250 | Indirect | |
| Feb 2, 2026 | Common Stock | SSaleDisposed | −2,017 | $1,430.26F20 | −$2,884,834.42 | 19,233 | Indirect |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Feb 2, 2026 | Common Stock | MOption exerciseDisposed | −23,000 | $0.00 | $0 | 20,000 | Indirect | |
| Feb 2, 2026 | Common Stock | MOption exerciseDisposed | −25,000 | $0.00 | $0 | 17,940 | Indirect |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F1
The exercise price has been adjusted for dividends declared since August 1, 2022.
Referenced by the price of 2 transactions in Table I.
- F2
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,407.1000 - $1,407.8900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F3
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,410.9300 - $1,411.2300. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F4
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,413.3000 - $1,414.2900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F5
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,414.3000 - $1,414.6900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F6
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,415.3000 - $1,416.1000. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F7
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,416.3300 - $1,416.4600. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F8
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,417.4150 - $1,417.5900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F9
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,418.8500 - $1,419.7000. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F10
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,420.0200 - $1,420.8800. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F11
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,421.0200 - $1,422.0100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F12
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,422.0200 - $1,423.0100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F13
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,423.0200 - $1,424.0100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F14
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,424.0300 - $1,425.0200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F15
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,425.0300 - $1,426.0200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F16
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,426.0300 - $1,427.0100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F17
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,427.0300 - $1,428.0200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F18
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,428.0300 - $1,429.0200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F19
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,429.0500 - $1,430.0400. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F20
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,430.0500 - $1,431.0300. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
Remarks
Due to a 30-line item limitation in Table 1, this is the first of two Form 4s filed by the reporting person for this transaction.