Form 4 for TDG TransDigm Group
Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-16 · accession 0001193125-26-110760 · 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 | 2026-03-17 | 2026-03-16 | TDG | Reiss Joel | Co-COO | S - Sale+OE | $1,243.70 | -3,900 | 7,350 | -35% | -$4.85M |
| DT | 2026-03-17 | 2026-03-16 | TDG | Reiss Joel | Co-COO | M - OptEx | $284.97 | +3,900 | 7,500 | +108% | +$1.11M |
| DT | 2026-03-17 | 2026-03-16 | TDG | Reiss Joel | Co-COO | M - OptEx | $0.00 | -3,900 | 27.5K | -12% | $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 | 2026-03-16 | S | D | 227 | $1,246.21 | 5,123 | D | — | — | (F14) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,245.5300 - $1,246.5200. 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 | 2026-03-16 | S | D | 56 | $1,236.31 | 7,204 | D | — | — | (F5) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,235.8600 - $1,236.8500. 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 | 2026-03-16 | S | D | 40 | $1,235.13 | 7,260 | D | — | — | (F4) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,234.6100 - $1,235.5600. 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 | 2026-03-16 | S | D | 50 | $1,233.62 | 7,300 | D | — | — | (F3) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,233.3300 - $1,234.1000. 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. |
| 5 | Common | Common Stock | 2026-03-16 | S | D | 160 | $1,238.57 | 6,910 | D | — | — | (F7) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,238.1900 - $1,239.1100. 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 | 2026-03-16 | S | D | 260 | $1,239.94 | 6,650 | D | — | — | (F8) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,239.3200 - $1,240.2900. 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. |
| 7 | Common | Common Stock | 2026-03-16 | S | D | 420 | $1,240.92 | 6,230 | D | — | — | (F9) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,240.3900 - $1,241.2800. 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 | 2026-03-16 | S | D | 320 | $1,241.99 | 5,910 | D | — | — | (F10) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,241.5000 - $1,242.4800. 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 | 2026-03-16 | S | D | 350 | $1,243.00 | 5,560 | D | — | — | (F11) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,242.5000 - $1,243.4800. 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 | 2026-03-16 | S | D | 120 | $1,244.09 | 5,440 | D | — | — | (F12) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,243.5100 - $1,244.4400. 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 | 2026-03-16 | S | D | 90 | $1,245.10 | 5,350 | D | — | — | (F13) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,244.5100 - $1,245.4800. 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 | 2026-03-16 | S | D | 134 | $1,237.75 | 7,070 | D | — | — | (F6) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,237.1600 - $1,238.1400. 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. |
| 13 | Common | Common Stock | 2026-03-16 | S | D | 531 | $1,247.08 | 4,592 | D | — | — | (F15) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,246.5900 - $1,247.5700. 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 | 2026-03-16 | S | D | 490 | $1,248.24 | 4,102 | D | — | — | (F16) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,247.6400 - $1,248.6200. 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. |
| 15 | Common | Common Stock | 2026-03-16 | S | D | 315 | $1,249.29 | 3,787 | D | — | — | (F17) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,248.6400 - $1,249.5900. 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. |
| 16 | Common | Common Stock | 2026-03-16 | S | D | 187 | $1,250.25 | 3,600 | D | — | — | (F18) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,249.6800 - $1,250.6500. 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 | 2026-03-16 | M | A | 3,900 | $284.97 | 7,500 | D | — | — | |
| 18 | Common | Common Stock | 2026-03-16 | S | D | 20 | $1,222.87 | 7,480 | D | — | — | |
| 19 | Common | Common Stock | 2026-03-16 | S | D | 70 | $1,231.69 | 7,410 | D | — | — | (F1) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,231.1800 - $1,232.0700. 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 | Common | Common Stock | 2026-03-16 | S | D | 60 | $1,232.57 | 7,350 | D | — | — | (F2) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,232.2500 - $1,232.9900. 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. |
| 21 | Derivative | Stock Option | 2026-03-16 | M | D | 3,900 | $0.00 | 27,500 | D | $284.97 · 2021-09-30 to 2027-11-08 | 3,900 Common Stock |