X0202 4 2008-03-12 0 0001260221 TransDigm Group INC TDG 0001352561 Henderson Robert S ADELWIGGINS GROUP 5000 TRIGGS STREET LOS ANGELES CA 90022 0 1 0 0 Exec.V.P. & Pres., AdelWiggins Common Stock 2008-03-12 4 M 0 9000 2.34 A 9000 D Common Stock 2008-03-12 4 S 0 100 37.80 D 8900 D Common Stock 2008-03-12 4 S 0 200 37.81 D 8700 D Common Stock 2008-03-12 4 S 0 200 37.82 D 8500 D Common Stock 2008-03-12 4 S 0 100 37.85 D 8400 D Common Stock 2008-03-12 4 S 0 100 37.86 D 8300 D Common Stock 2008-03-12 4 S 0 200 37.87 D 8100 D Common Stock 2008-03-12 4 S 0 100 37.88 D 8000 D Common Stock 2008-03-12 4 S 0 100 37.90 D 7900 D Common Stock 2008-03-12 4 S 0 100 37.94 D 7800 D Common Stock 2008-03-12 4 S 0 800 37.95 D 7000 D Common Stock 2008-03-12 4 S 0 600 37.96 D 6400 D Common Stock 2008-03-12 4 S 0 1500 37.98 D 4900 D Common Stock 2008-03-12 4 S 0 600 37.97 D 4300 D Common Stock 2008-03-12 4 S 0 100 37.986 D 4200 D Common Stock 2008-03-12 4 S 0 300 37.99 D 3900 D Common Stock 2008-03-12 4 S 0 100 37.996 D 3800 D Common Stock 2008-03-12 4 S 0 1500 38.00 D 2300 D Common Stock 2008-03-12 4 S 0 300 38.01 D 2000 D Common Stock 2008-03-12 4 S 0 400 38.02 D 1600 D Common Stock 2008-03-12 4 S 0 400 38.03 D 1200 D Common Stock 2008-03-12 4 S 0 100 38.09 D 1100 D Common Stock 2008-03-12 4 S 0 100 38.23 D 1000 D Common Stock 2008-03-12 4 S 0 300 38.30 D 700 D Common Stock 2008-03-12 4 S 0 100 38.43 D 600 D Common Stock 2008-03-12 4 S 0 100 38.44 D 500 D Common Stock 2008-03-12 4 S 0 300 38.50 D 200 D Common Stock 2008-03-12 4 S 0 200 38.69 D 0 D Stock Option 2.34 2008-03-12 4 M 0 9000 2.34 D 2003-07-22 2010-01-01 Common Stock 9000 18000 D All transactions reported hereunder made pursuant to an established 10b5-1 plan. Halle Fine Terrion as attorney in fact for Robert Henderson 2008-03-13