| $1B | ||
| $100M | ||
| $54M | ||
| $40M | ||
| $32M | ||
| $31M |
Buys | $3,838,007 | 3 | 6 |
Sells | $588,428,398 | 46 | 94 |
| Lisman Michael | President & CEO | 2 | $3.84M | 0 | $0 | $3.84M |
| SMALL ROBERT J | director | 1 | $1,285 | 2 | $127.55M | $-127.55M |
| Murphy Patrick Joseph | Co-Chief Operating Officer | 0 | $0 | 4 | $1.57M | $-1.57M |
| Reiss Joel | Co-Chief Operating Officer | 0 | $0 | 17 | $65.15M | $-65.15M |
| Howley W Nicholas | director | 0 | $0 | 8 | $92.24M | $-92.24M |
| Stein Kevin M | director | 0 | $0 | 16 | $302.29M | $-302.29M |
TransDigm Group Incorporated is a global aerospace enterprise specializing in the development, manufacturing, and distribution of a wide array of aircraft components. Operating across the United States and internationally, its business is structured around three distinct divisions. The Power & Control division focuses on critical systems, providing solutions such as electromechanical actuators and control mechanisms, engine ignition and related technologies, precision pumps and valves, power regulation equipment, specialized electric motors and …
Over the last 12 months, insiders at TransDigm Group Incorporated have bought $3.84M and sold $588.43M worth of TransDigm Group Incorporated stock.
On average, over the past 5 years, insiders at TransDigm Group Incorporated have bought $7.67M and sold $541.74M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Lisman Michael (President & CEO) — $3.84M. SMALL ROBERT J (director) — $1,285.
The last purchase of 1 shares for transaction amount of $1,285 was made by SMALL ROBERT J (director) on 2026‑02‑25.
| 2026-10-15 | Sale | Reiss Joel | Co-Chief Operating Officer | 4,100 0.0074% | $1,128.04 | $4.62M | +0.66% | |
| 2026-09-15 | Sale | Reiss Joel | Co-Chief Operating Officer | 3,900 0.007% | $1,094.58 | $4.27M | +2.28% | |
| 2026-08-18 | Sale | Howley W Nicholas | director | 10,132 0.0182% | $1,236.28 | $12.53M | -8.45% | |
| 2026-08-17 | Sale | Reiss Joel | Co-Chief Operating Officer | 3,900 0.0067% | $1,238.76 | $4.83M | -8.73% | |
| 2026-07-20 | Sale | Howley W Nicholas | director | 10,132 0.0183% | $1,216.08 | $12.32M | -4.81% | |
| 2026-07-15 | Sale | Reiss Joel | Co-Chief Operating Officer | 3,900 0.0069% | $1,217.79 | $4.75M | -6.28% | |
| 2026-06-18 | Sale | Howley W Nicholas | director | 10,132 0.018% | $1,319.55 | $13.37M | -10.22% | |
| 2026-06-15 | Sale | Reiss Joel | Co-Chief Operating Officer | 3,900 0.007% | $1,276.78 | $4.98M | -6.30% | |
| 2026-05-18 | Sale | Howley W Nicholas | director | 10,132 0.0181% | $1,180.82 | $11.96M | +2.28% | |
| 2026-05-15 | Sale | Reiss Joel | Co-Chief Operating Officer | 330 0.0006% | $1,145.16 | $377,904 | +5.20% | |
| 2026-05-15 | Sale | Reiss Joel | Co-Chief Operating Officer | 3,900 0.007% | $1,154.09 | $4.5M | +5.20% | |
| 2026-04-20 | Sale | Howley W Nicholas | director | 10,132 0.0178% | $1,265.06 | $12.82M | -5.74% | |
| 2026-04-15 | Sale | Reiss Joel | Co-Chief Operating Officer | 233 0.0004% | $1,274.57 | $296,976 | -5.46% | |
| 2026-04-15 | Sale | Reiss Joel | Co-Chief Operating Officer | 3,900 0.0069% | $1,280.46 | $4.99M | -5.46% | |
| 2026-03-18 | Sale | Howley W Nicholas | director | 10,132 0.0181% | $1,213.05 | $12.29M | -0.07% | |
| 2026-03-16 | Sale | Reiss Joel | Co-Chief Operating Officer | 3,900 0.0069% | $1,243.70 | $4.85M | -3.84% | |
| 2026-02-25 | SMALL ROBERT J | director | 1 <0.0001% | $1,285.00 | $1,285 | -6.83% | ||
| 2026-02-18 | Sale | Howley W Nicholas | director | 10,168 0.0179% | $1,307.68 | $13.3M | -8.16% | |
| 2026-02-17 | Sale | Reiss Joel | Co-Chief Operating Officer | 3,900 0.0069% | $1,293.88 | $5.05M | -7.18% | |
| 2026-02-06 | Lisman Michael | President & CEO | 950 0.0017% | $1,284.26 | $1.22M | -5.65% |
| SMALL ROBERT J | director | 366142 0.6624% | $442.31M | 60 | 32 | +19.3% |
| Howley W Nicholas | director | 21548 0.039% | $26.03M | 5 | 168 | <0.0001% |
| Stein Kevin M | director | 8158 0.0148% | $9.86M | 1 | 43 | +17.56% |
| Lisman Michael | President & CEO | 3259 0.0059% | $3.94M | 3 | 4 | +6.4% |
| Laubenthal Raymond F | 156537 0.2832% | $189.1M | 2 | 74 | +7.17% | |
| HENNESSY SEAN P | director | 33713 0.061% | $40.73M | 4 | 4 | +23.19% |
| Skulina James | Executive Vice President | 4000 0.0072% | $4.83M | 3 | 18 | +18.63% |
| Wynne Sarah | Chief Financial Officer | 3400 0.0062% | $4.11M | 1 | 8 | +26.77% |
| DRIES WILLIAM | director | 2316 0.0042% | $2.8M | 1 | 0 | +17.62% |
| Graff Michael | director | 1964 0.0036% | $2.37M | 1 | 21 | +28.89% |
| Terrion Halle Fine | GC, CCO, Secretary | 878 0.0016% | $1.06M | 1 | 4 | <0.0001% |
| Peacock Douglas W | director | 787 0.0014% | $950,727.48 | 1 | 4 | +25.59% |
| Santana Michele | director | 658 0.0012% | $794,890.32 | 11 | 10 | +17.83% |
| CRONIN JANE M. | 397 0.0007% | $479,132.82 | 2 | 0 | +6.47% | |
| Paradie Terrance M | Exec. VP and CFO | 300 0.0005% | $362,412.00 | 1 | 0 | +1.79% |
| Staer John | director | 91 0.0002% | $109,931.64 | 1 | 4 | +6.17% |
| Skurka Howard | President, Skurka Aerospace | 0 0% | $0 | 1 | 1 | +0.11% |
| Henderson Robert S | Exec.V.P. | 0 0% | $0 | 1 | 74 | <0.0001% |
$19,979,219 | 192 | 11.19% | $47.05B | |
$11,525,753 | 175 | 8.59% | $18.38B | |
$167,610,261 | 127 | 12.88% | $7.69B | |
TransDigm Group Incorporated (TDG) | $1,181,609,472 | 97 | 16.40% | $66.78B |
$10,474,429 | 94 | 16.54% | $19.64B |
| Increased Positions | 565 | +48.58% | 3M | +4.61% |
| Decreased Positions | 478 | -41.1% | 3M | -5.82% |
| New Positions | 169 | New | 811,074 | New |
| Sold Out Positions | 101 | Sold Out | 155,897 | Sold Out |
| Total Postitions | 1,250 | +7.48% | 54M | -1.21% |
| Vanguard Group Inc | $9.26M | 12.17% | 6.81M | +121,049 | +1.81% | 2025-09-30 |
| Capital International Investors | $8.82M | 11.59% | 6.49M | +254,750 | +4.09% | 2025-09-30 |
| Blackrock, Inc. | $5.7M | 7.49% | 4.2M | -67,150 | -1.57% | 2025-09-30 |
| Capital World Investors | $5.35M | 7.03% | 3.94M | -31,841 | -0.8% | 2025-09-30 |
| State Street Corp | $3.25M | 4.27% | 2.39M | +45,550 | +1.94% | 2025-09-30 |
| Principal Financial Group Inc | $3.23M | 4.25% | 2.38M | +367,756 | +18.28% | 2025-09-30 |
| Fmr Llc | $3.1M | 4.08% | 2.28M | +409,999 | +21.9% | 2025-09-30 |
| Capital Research Global Investors | $3M | 3.94% | 2.21M | +203,997 | +10.18% | 2025-09-30 |
| Jpmorgan Chase & Co | $1.71M | 2.25% | 1.26M | -733,453 | -36.75% | 2025-09-30 |
| Geode Capital Management, Llc | $1.67M | 2.2% | 1.23M | +17,666 | +1.46% | 2025-09-30 |