Form 4 for TDG TransDigm Group
Accepted 2026-01-16 00:00:00 ET · period of report 2026-01-15 · accession 0001193125-26-015541 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2026-01-16 | 2026-01-15 | TDG | Reiss Joel | Co-COO | S - Sale+OE | $1,429.92 | -3,900 | 5,698 | -41% | -$5.58M |
| DT | 2026-01-16 | 2026-01-15 | TDG | Reiss Joel | Co-COO | M - OptEx | $284.97 | +3,900 | 7,500 | +108% | +$1.11M |
| DT | 2026-01-16 | 2026-01-15 | TDG | Reiss Joel | Co-COO | M - OptEx | $0.00 | -3,900 | 35.3K | -10% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-15 | S | D | 372 | $1,430.21 | 5,326 | D | — | — | (F10) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,429.8000 - $1,430.7500. 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. |
| 2 | Common | Common Stock | 2026-01-15 | S | D | 50 | $1,437.56 | 3,640 | D | — | — | (F17) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,436.9500 - $1,437.7600. 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. |
| 3 | Common | Common Stock | 2026-01-15 | S | D | 245 | $1,426.35 | 6,831 | D | — | — | (F6) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,425.7100 - $1,426.6800. 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. |
| 4 | Common | Common Stock | 2026-01-15 | S | D | 396 | $1,427.27 | 6,435 | D | — | — | (F7) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,426.7300 - $1,427.7200. 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. |
| 5 | Common | Common Stock | 2026-01-15 | S | D | 477 | $1,428.03 | 5,958 | D | — | — | (F8) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,427.7400 - $1,428.7200. 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. |
| 6 | Common | Common Stock | 2026-01-15 | S | D | 453 | $1,431.26 | 4,873 | D | — | — | (F11) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,430.8000 - $1,431.7800. 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. |
| 7 | Common | Common Stock | 2026-01-15 | S | D | 257 | $1,432.40 | 4,616 | D | — | — | (F12) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,431.8500 - $1,432.8400. 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. |
| 8 | Common | Common Stock | 2026-01-15 | S | D | 128 | $1,423.80 | 7,166 | D | — | — | (F4) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,423.4100 - $1,424.4000. 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. |
| 9 | Common | Common Stock | 2026-01-15 | S | D | 95 | $1,422.63 | 7,294 | D | — | — | (F3) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,422.2800 - $1,423.1700. 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. |
| 10 | Common | Common Stock | 2026-01-15 | S | D | 67 | $1,421.89 | 7,389 | D | — | — | (F2) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,421.1300 - $1,422.0800. 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. |
| 11 | Common | Common Stock | 2026-01-15 | S | D | 44 | $1,420.38 | 7,456 | D | — | — | (F1) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,420.0100 - $1,420.9900. 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. |
| 12 | Common | Common Stock | 2026-01-15 | M | A | 3,900 | $284.97 | 7,500 | D | — | — | |
| 13 | Common | Common Stock | 2026-01-15 | S | D | 40 | $1,438.91 | 3,600 | D | — | — | (F18) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,438.8500 - $1,439.0800. 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. |
| 14 | Common | Common Stock | 2026-01-15 | S | D | 90 | $1,425.10 | 7,076 | D | — | — | (F5) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,424.4600 - $1,425.3400. 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. |
| 15 | Common | Common Stock | 2026-01-15 | S | D | 35 | $1,436.15 | 3,690 | D | — | — | (F16) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,435.9000 - $1,436.3300. 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. |
| 16 | Common | Common Stock | 2026-01-15 | S | D | 205 | $1,435.14 | 3,725 | D | — | — | (F15) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,434.8800 - $1,435.8400. 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. |
| 17 | Common | Common Stock | 2026-01-15 | S | D | 200 | $1,434.18 | 3,930 | D | — | — | (F14) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,433.8500 - $1,434.5100. 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. |
| 18 | Common | Common Stock | 2026-01-15 | S | D | 486 | $1,433.36 | 4,130 | D | — | — | (F13) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,432.8500 - $1,433.7400. 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. |
| 19 | Common | Common Stock | 2026-01-15 | S | D | 260 | $1,429.14 | 5,698 | D | — | — | (F9) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,428.7700 - $1,429.7200. 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. |
| 20 | Derivative | Stock Option | 2026-01-15 | M | D | 3,900 | $0.00 | 35,300 | D | $284.97 · 2021-09-30 to 2027-11-08 | 3,900 Common Stock |