Reiss Joel's Form 4 filing
TransDigm Group INC (TDG) · filed May 18, 2026
- Accession no.
- 0001656109-26-000001
- Filed
- May 18, 2026
- Trade date
- May 15, 2026
- Filing delay
- 3 days
- Rule 10b5-1 plan
- Checked
This filing lists 28 non-derivative transactions and 1 derivative transaction. Open-market sales total $4.50M. It was filed 3 days 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 |
|---|---|
| Reiss JoelCIK 0001656109 | Officer (Co-Chief Operating Officer) |
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 |
|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | Common Stock | MOption exerciseAcquired | +3,900 | $284.97 | +$1,111,383 | 7,500 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −71 | $1,144.43F1 | −$81,254.53 | 7,429 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −259 | $1,145.37F2 | −$296,650.83 | 7,170 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −120 | $1,146.17F3 | −$137,540.4 | 7,050 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −462 | $1,147.52F4 | −$530,154.24 | 6,588 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −775 | $1,148.25F5 | −$889,893.75 | 5,813 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −463 | $1,149.33F6 | −$532,139.79 | 5,350 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −119 | $1,150.33F7 | −$136,889.27 | 5,231 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −151 | $1,151.49F8 | −$173,874.99 | 5,080 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −50 | $1,152.28F9 | −$57,614 | 5,030 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −130 | $1,153.71F10 | −$149,982.3 | 4,900 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −70 | $1,154.78F11 | −$80,834.6 | 4,830 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −50 | $1,156.07F12 | −$57,803.5 | 4,780 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −45 | $1,158.62F13 | −$52,137.9 | 4,735 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −95 | $1,159.69F14 | −$110,170.55 | 4,640 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −70 | $1,160.33F15 | −$81,223.1 | 4,570 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −110 | $1,162.65F16 | −$127,891.5 | 4,460 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −10 | $1,163.19 | −$11,631.9 | 4,450 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −76 | $1,164.94F17 | −$88,535.44 | 4,374 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −177 | $1,165.94F18 | −$206,371.38 | 4,197 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −121 | $1,167.02F19 | −$141,209.42 | 4,076 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −186 | $1,168.13F20 | −$217,272.18 | 3,890 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −81 | $1,169.13F21 | −$94,699.53 | 3,809 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −26 | $1,170.54F22 | −$30,434.04 | 3,783 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −43 | $1,172.05F23 | −$50,398.15 | 3,740 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −63 | $1,172.69F24 | −$73,879.47 | 3,677 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −30 | $1,174.39F25 | −$35,231.7 | 3,647 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −47 | $1,175.28F26 | −$55,238.16 | 3,600 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | Common Stock | MOption exerciseDisposed | −3,900 | $0.00 | $0 | 19,700 | Direct |
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
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,143.7200 - $1,144.6900. 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.
- F2
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,144.7200 - $1,145.6700. 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 $1,145.7400 - $1,146.5500. 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 $1,146.8600 - $1,147.8400. 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 $1,147.8600 - $1,148.8200. 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 $1,148.8600 - $1,149.8400. 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 $1,149.8800 - $1,150.8000. 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 $1,150.9100 - $1,151.8900. 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.
- F9
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,151.9400 - $1,152.6300. 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 $1,153.2000 - $1,154.0900. 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 $1,154.5100 - $1,155.2100. 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 $1,155.7900 - $1,156.6200. 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 $1,158.0000 - $1,158.9800. 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 $1,159.1100 - $1,159.9300. 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 $1,160.1400 - $1,160.4000. 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 $1,162.0000 - $1,162.9600. 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 $1,164.4200 - $1,165.3700. 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 $1,165.5600 - $1,166.5500. 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 $1,166.5600 - $1,167.4500. 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 $1,167.6600 - $1,168.5800. 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.
- F21
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,168.8900 - $1,169.7100. 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.
- F22
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,170.1100 - $1,170.9200. 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.
- F23
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,171.5400 - $1,172.3700. 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.
- F24
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,172.5500 - $1,173.2400. 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.
- F25
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,174.1600 - $1,175.1200. 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.
- F26
Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,175.1600 - $1,175.3100. 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.