Insider Trading activities of Transdigm Group Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Transdigm Group Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Transdigm Group Inc since year 2005. Table 2 shows the detailed insider transactions of Transdigm Group Inc since 2005. The reporting company's ticker symbol is TDG. The reporting company's CIK number is 1260221.
The total value of stock buying since 2005 is $413,166,386.
The total value of stock sales since 2005 is $2,921,553,612.
The total value of stock option exercises since 2005 is $109,163,210.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Transdigm Group Inc (TDG).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2018-10 0 $0 11,900 $3,889,003 11,900 $322,252
2018-09 0 $0 21,900 $7,929,431 21,900 $4,663,244
2018-08 0 $0 11,900 $4,183,004 11,900 $322,252
2018-07 0 $0 11,900 $4,299,101 27,800 $752,824
2018-06 0 $0 26,900 $9,188,895 26,900 $728,452
2018-05 0 $0 37,300 $12,238,682 37,300 $1,843,934
2018-04 0 $0 29,900 $9,494,599 29,900 $809,692
2018-03 0 $0 36,400 $10,916,102 36,400 $2,069,717
2018-02 1,347 $399,774 38,244 $11,265,793 41,544 $1,125,011
2018-01 0 $0 16,900 $4,983,083 16,900 $457,652
2017-12 0 $0 7,872 $2,181,419 7,626 $492,566
2017-11 0 $0 105,700 $28,314,053 105,700 $2,862,355
2017-10 0 $0 21,000 $5,545,815 21,000 $568,680
2017-09 0 $0 6,000 $1,525,230 6,000 $162,480
2017-08 0 $0 6,000 $1,665,630 6,000 $162,480
2017-07 0 $0 12,000 $3,362,410 12,000 $324,960
2017-06 0 $0 6,000 $1,596,624 6,000 $162,480
2017-05 6,422 $1,566,009 0 $0 0 $0
2017-04 0 $0 6,000 $1,470,000 6,000 $162,480
2017-03 104,967 $24,428,533 0 $0 0 $0
2017-02 0 $0 16,000 $4,030,532 31,000 $839,480
2017-01 0 $0 10,000 $2,508,900 14,000 $379,120
2016-12 505,453 $124,306,399 37,000 $9,305,130 37,000 $1,001,959
2016-11 7,200 $1,766,599 13,928 $3,705,739 13,418 $964,671
2016-09 0 $0 35,500 $10,053,962 35,500 $2,393,395
2016-08 0 $0 20,000 $5,663,640 30,000 $2,102,450
2016-06 0 $0 157,740 $41,732,969 173,640 $4,702,171
2016-05 0 $0 50,900 $12,520,635 51,000 $1,381,080
2016-04 0 $0 3,345 $769,350 3,345 $90,582
2016-03 41,655 $9,189,145 13,888 $3,124,650 17,488 $473,575
2016-02 534,690 $102,673,375 11,767 $2,669,320 12,267 $332,190
2016-01 0 $0 6,000 $1,380,000 6,500 $176,020
2015-12 0 $0 180,000 $40,324,660 181,000 $7,125,078
2015-11 0 $0 18,000 $4,160,875 23,000 $622,840
2015-09 0 $0 5,000 $1,138,400 5,000 $135,400
2015-08 0 $0 96,000 $22,878,915 94,000 $3,274,899
2015-07 0 $0 21,140 $4,797,548 21,140 $554,744
2015-06 0 $0 10,000 $2,267,075 10,000 $246,450
2015-05 300 $67,423 60,460 $13,693,261 60,460 $1,321,760
2015-04 0 $0 17,500 $3,850,617 17,500 $449,550
2015-03 0 $0 82,500 $17,944,705 91,760 $2,460,510
2015-02 0 $0 191,145 $41,863,636 251,145 $10,067,160
2015-01 0 $0 33,705 $6,754,250 33,705 $666,210
2014-12 0 $0 23,155 $4,532,487 21,205 $327,710
2014-11 0 $0 27,674 $5,357,910 21,776 $794,710
2014-10 0 $0 18,155 $3,291,158 26,205 $1,043,360
2014-09 6,578 $1,234,769 18,155 $3,418,404 16,205 $216,660
2014-08 26,735 $5,006,502 67,505 $12,151,913 88,065 $3,254,876
2014-07 0 $0 33,155 $5,580,343 76,205 $3,975,672
2014-06 278,080 $52,961,184 33,155 $5,119,131 15,000 $316,812
2014-05 11,723 $2,153,972 43,155 $7,847,381 41,205 $855,685
2014-04 0 $0 53,075 $9,315,621 51,125 $1,016,540
2014-03 0 $0 35,655 $6,425,761 33,705 $572,935
2014-02 0 $0 21,450 $3,775,380 19,500 $493,785
2014-01 0 $0 4,450 $761,155 2,500 $33,425
2013-09 0 $0 18,000 $2,589,864 38,000 $2,302,000
2013-08 3,000 $418,773 14,490 $2,008,893 14,490 $293,060
2013-07 0 $0 15,099 $2,360,638 20,099 $564,717
2013-06 0 $0 48,308 $7,656,713 48,308 $386,748
2013-05 0 $0 22,909 $3,384,641 22,909 $188,306
2013-04 0 $0 7,894 $1,145,506 7,894 $79,137
2013-03 0 $0 7,894 $1,196,406 7,894 $70,335
2013-02 0 $0 222,894 $31,178,216 222,894 $5,294,731
2013-01 0 $0 7,894 $1,086,419 7,894 $52,731
2012-12 0 $0 7,894 $1,059,169 7,894 $52,731
2012-11 0 $0 60,405 $7,889,446 41,859 $624,064
2012-10 0 $0 18,294 $2,599,748 34,390 $229,724
2012-09 0 $0 18,294 $2,614,426 18,294 $122,203
2012-08 0 $0 28,354 $3,865,694 28,354 $189,805
2012-07 0 $0 52,108 $6,455,841 52,108 $389,612
2012-06 101,841 $12,404,030 74,638 $9,464,118 74,638 $469,750
2012-05 0 $0 114,042 $14,357,815 114,042 $749,687
2012-04 0 $0 58,342 $6,468,432 58,342 $360,886
2012-03 0 $0 58,342 $6,729,531 58,342 $360,886
2012-02 180,230 $25,723,424 115,765 $13,431,868 115,765 $717,465
2012-01 0 $0 57,342 $5,719,937 57,342 $354,206
2011-12 0 $0 113,961 $11,005,942 113,961 $786,344
2011-11 0 $0 67,983 $6,407,055 67,983 $699,486
2011-10 0 $0 49,200 $4,557,099 49,200 $328,656
2011-09 73,741 $6,804,082 69,200 $6,034,114 69,200 $462,255
2011-08 57,461 $5,079,155 100,000 $8,895,382 100,000 $862,124
2011-07 0 $0 3,000 $277,875 3,000 $20,040
2011-06 83,600 $6,785,405 28,368 $2,313,119 28,368 $189,498
2011-05 67,430 $5,628,382 100,132 $8,334,546 100,132 $863,006
2011-04 0 $0 3,000 $246,000 3,000 $20,040
2011-03 48,500 $3,939,320 3,000 $246,075 3,000 $20,040
2011-02 105,400 $8,576,447 267,199 $21,792,922 267,199 $1,982,723
2010-12 117,000 $8,150,220 117,000 $8,150,220 117,000 $781,560
2010-05 56,000 $3,146,960 0 $0 0 $0
2010-03 0 $0 110,000 $5,790,190 110,000 $734,800
2010-01 0 $0 14,751 $717,060 14,751 $98,536
2009-12 0 $0 5,519 $253,151 5,519 $36,866
2009-11 0 $0 5,517 $222,566 5,517 $36,853
2009-10 0 $0 20,268 $872,225 20,268 $135,389
2009-09 0 $0 83,073 $3,827,885 50,517 $337,452
2009-08 0 $0 296,351 $13,165,281 296,351 $1,977,239
2009-07 0 $0 5,517 $203,913 5,517 $18,702
2009-06 0 $0 44,405 $1,772,124 44,405 $278,473
2009-05 0 $0 105,923 $3,868,201 100,927 $944,846
2009-02 0 $0 8,163,000 $279,544,122 63,000 $420,839
2008-12 5,000 $163,950 4,500 $144,009 4,500 $60,165
2008-11 0 $0 0 $0 18,546 $145,678
2008-10 0 $0 0 $0 60,069 $472,442
2008-09 0 $0 69,212 $2,528,160 68,798 $378,681
2008-08 0 $0 114,909 $4,188,965 114,499 $418,103
2008-07 0 $0 71,959 $2,476,389 71,549 $321,409
2008-06 0 $0 125,920 $5,176,072 102,789 $538,063
2008-05 0 $0 181,680 $7,520,544 112,689 $678,662
2008-04 0 $0 123,054 $4,704,006 101,222 $553,228
2008-03 0 $0 119,953 $4,590,546 93,989 $453,239
2008-02 0 $0 194,060 $7,872,455 116,950 $687,462
2008-01 0 $0 131,817 $5,737,010 90,589 $412,000
2007-12 84 $3,862 377,898 $17,786,622 181,976 $750,065
2007-11 170 $7,700 116,711 $5,259,952 99,722 $346,308
2007-10 1,197 $55,992 124,220 $5,712,710 74,285 $242,231
2007-09 0 $0 36,100 $1,427,067 21,500 $65,500
2007-08 0 $0 5,700 $222,300 5,700 $2,565
2007-05 0 $0 50,339,465 $1,774,473,887 1,686,838 $3,543,781
2006-10 0 $0 2,910 $68,841 2,910 $24,793
2006-03 25,000 $525,000 4,816,162 $101,139,402 257,642 $523,309

Table 2. Detailed insider stock purchases, sales, and option exercises of Transdigm Group Inc insiders (TDG)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2018-10-15 Laubenthal Raymond F (Director) Sale 11,900 326.81 3,889,003
2018-10-15 Laubenthal Raymond F (Director) Option Ex 11,900 27.08 322,252
2018-09-17 Laubenthal Raymond F (Director) Sale 11,900 368.29 4,382,591
2018-09-17 Laubenthal Raymond F (Director) Option Ex 11,900 369.11 4,392,444
2018-09-10 Skulina James (Executive Vice President) Sale 10,000 354.68 3,546,840
2018-09-10 Skulina James (Executive Vice President) Option Ex 10,000 27.08 270,800
2018-08-15 Laubenthal Raymond F (Director) Sale 11,900 351.51 4,183,004
2018-08-15 Laubenthal Raymond F (Director) Option Ex 11,900 27.08 322,252
2018-07-16 Laubenthal Raymond F (Director) Sale 11,900 361.27 4,299,101
2018-07-16 Laubenthal Raymond F (Director) Option Ex 11,900 27.08 322,252
2018-07-13 Dunn Mervin (Director) Option Ex 15,900 27.08 430,572
2018-06-18 Jones Roger (Executive Vice President) Sale 5,000 339.62 1,698,085
2018-06-18 Jones Roger (Executive Vice President) Option Ex 5,000 27.08 135,400
2018-06-15 Laubenthal Raymond F (Director) Sale 11,900 341.13 4,059,470
2018-06-15 Laubenthal Raymond F (Director) Option Ex 11,900 27.08 322,252
2018-06-11 Skulina James (Executive Vice President) Sale 10,000 343.13 3,431,340
2018-06-11 Skulina James (Executive Vice President) Option Ex 10,000 27.08 270,800
2018-05-17 Jones Roger (Executive Vice President) Sale 5,000 323.68 1,618,375
2018-05-17 Jones Roger (Executive Vice President) Option Ex 5,000 27.08 135,400
2018-05-15 Laubenthal Raymond F (Director) Sale 11,900 326.26 3,882,505
2018-05-15 Laubenthal Raymond F (Director) Option Ex 11,900 27.08 322,252
2018-05-11 Henderson Robert S (Exec.V.P.) Sale 15,000 334.01 5,010,180
2018-05-11 Henderson Robert S (Exec.V.P.) Option Ex 15,000 82.67 1,240,050
2018-05-03 Reiss Joel (Executive Vice President) Sale 5,400 319.93 1,727,622
2018-05-03 Reiss Joel (Executive Vice President) Option Ex 5,400 27.08 146,232
2018-04-17 Jones Roger (Executive Vice President) Sale 5,000 321.53 1,607,649
2018-04-17 Jones Roger (Executive Vice President) Option Ex 5,000 27.08 135,400
2018-04-16 Valladares Jorge (Executive Vice President) Sale 9,750 320.20 3,121,930
2018-04-16 Valladares Jorge (Executive Vice President) Option Ex 9,750 27.08 264,030
2018-04-16 Laubenthal Raymond F (Director) Sale 11,900 316.64 3,767,992
2018-04-16 Laubenthal Raymond F (Director) Option Ex 11,900 27.08 322,252
2018-04-10 Valladares Jorge (Executive Vice President) Sale 3,250 306.78 997,028
2018-04-10 Valladares Jorge (Executive Vice President) Option Ex 3,250 27.08 88,010
2018-03-27 Henderson Robert S (Exec.V.P.) Sale 10,000 311.40 3,114,040
2018-03-27 Henderson Robert S (Exec.V.P.) Option Ex 10,000 82.67 826,700
2018-03-19 Jones Roger (Executive Vice President) Sale 5,000 301.75 1,508,725
2018-03-19 Jones Roger (Executive Vice President) Option Ex 5,000 27.08 135,400
2018-03-15 Laubenthal Raymond F (Director) Sale 11,900 293.00 3,486,676
2018-03-15 Laubenthal Raymond F (Director) Option Ex 11,900 27.08 322,252
2018-03-14 Howley W Nicholas (Chief Executive Officer) Sale 9,500 295.44 2,806,661
2018-03-14 Howley W Nicholas (Chief Executive Officer) Option Ex 9,500 82.67 785,365
2018-02-22 Stein Kevin M (President & COO) Buy 1,347 296.79 399,774
2018-02-20 Jones Roger (Executive Vice President) Sale 5,000 299.30 1,496,505
2018-02-20 Jones Roger (Executive Vice President) Option Ex 5,000 27.08 135,400
2018-02-16 Peacock Douglas W (Director) Sale 15,900 298.64 4,748,439
2018-02-16 Peacock Douglas W (Director) Option Ex 15,900 27.08 430,572
2018-02-15 Laubenthal Raymond F (Director) Sale 11,900 293.85 3,496,862
2018-02-15 Laubenthal Raymond F (Director) Option Ex 11,900 27.08 322,252
2018-02-09 Feil Alex (Executive Vice President) Sale 5,444 279.94 1,523,987
2018-02-09 Feil Alex (Executive Vice President) Option Ex 8,744 27.08 236,787
2018-01-17 Jones Roger (Executive Vice President) Sale 5,000 294.89 1,474,440
2018-01-17 Jones Roger (Executive Vice President) Option Ex 5,000 27.08 135,400
2018-01-16 Laubenthal Raymond F (Director) Sale 11,900 294.84 3,508,643
2018-01-16 Laubenthal Raymond F (Director) Option Ex 11,900 27.08 322,252
2017-12-15 Laubenthal Raymond F (Director) Sale 6,000 276.46 1,658,766
2017-12-15 Laubenthal Raymond F (Director) Option Ex 6,000 27.08 162,480
2017-12-01 Graff Michael (Director) Sale 1,872 279.19 522,653
2017-12-01 Graff Michael (Director) Option Ex 1,626 203.00 330,086
2017-11-17 Howley W Nicholas (Chief Executive Officer) Sale 35,924 265.38 9,533,475
2017-11-17 Howley W Nicholas (Chief Executive Officer) Option Ex 35,924 27.08 972,821
2017-11-16 Howley W Nicholas (Chief Executive Officer) Sale 63,776 269.59 17,193,626
2017-11-16 Howley W Nicholas (Chief Executive Officer) Option Ex 63,776 27.08 1,727,054
2017-11-15 Laubenthal Raymond F (Director) Sale 6,000 264.49 1,586,952
2017-11-15 Laubenthal Raymond F (Director) Option Ex 6,000 27.08 162,480
2017-10-16 Laubenthal Raymond F (Director) Sale 6,000 264.05 1,584,300
2017-10-16 Laubenthal Raymond F (Director) Option Ex 6,000 27.08 162,480
2017-10-16 Henderson Robert S (Exec.V.P.) Sale 15,000 264.10 3,961,515
2017-10-16 Henderson Robert S (Exec.V.P.) Option Ex 15,000 27.08 406,200
2017-09-15 Laubenthal Raymond F (Director) Sale 6,000 254.21 1,525,230
2017-09-15 Laubenthal Raymond F (Director) Option Ex 6,000 27.08 162,480
2017-08-15 Laubenthal Raymond F (Director) Sale 6,000 277.61 1,665,630
2017-08-15 Laubenthal Raymond F (Director) Option Ex 6,000 27.08 162,480
2017-07-17 Laubenthal Raymond F (Director) Sale 6,000 282.15 1,692,894
2017-07-17 Laubenthal Raymond F (Director) Option Ex 6,000 27.08 162,480
2017-07-14 Valladares Jorge (Executive Vice President) Sale 5,900 278.29 1,641,916
2017-07-14 Valladares Jorge (Executive Vice President) Option Ex 5,900 27.08 159,772
2017-07-12 Valladares Jorge (Executive Vice President) Sale 100 276.00 27,600
2017-07-12 Valladares Jorge (Executive Vice President) Option Ex 100 27.08 2,708
2017-06-12 Valladares Jorge (Executive Vice President) Sale 6,000 266.10 1,596,624
2017-06-12 Valladares Jorge (Executive Vice President) Option Ex 6,000 27.08 162,480
2017-05-12 Skulina James (Executive Vice President) Buy 4,000 242.84 971,360
2017-05-11 Skulina James (Executive Vice President) Buy 2,422 245.52 594,649
2017-04-24 Valladares Jorge (Executive Vice President) Sale 6,000 245.00 1,470,000
2017-04-24 Valladares Jorge (Executive Vice President) Option Ex 6,000 27.08 162,480
2017-03-14 Small Robert J Buy 68,567 232.86 15,966,443
2017-03-13 Small Robert J Buy 36,400 232.47 8,462,090
2017-02-27 Reiss Joel (Executive Vice President) Sale 6,000 253.29 1,519,722
2017-02-27 Reiss Joel (Executive Vice President) Option Ex 6,000 27.08 162,480
2017-02-24 Henderson Robert S (Exec.V.P.) Sale 10,000 251.08 2,510,810
2017-02-24 Henderson Robert S (Exec.V.P.) Option Ex 10,000 27.08 270,800
2017-02-06 Henderson Robert S (Exec.V.P.) Option Ex 15,000 27.08 406,200
2017-01-23 Valladares Jorge (Executive Vice President) Option Ex 4,000 27.08 108,320
2017-01-03 Henderson Robert S (Exec.V.P.) Sale 10,000 250.89 2,508,900
2017-01-03 Henderson Robert S (Exec.V.P.) Option Ex 10,000 27.08 270,800
2016-12-13 Small Robert J Buy 8,032 247.89 1,991,060
2016-12-12 Small Robert J Buy 83,946 247.19 20,750,779
2016-12-08 Howley W Nicholas (Chief Executive Officer) Sale 37,000 251.49 9,305,130
2016-12-08 Howley W Nicholas (Chief Executive Officer) Option Ex 37,000 27.08 1,001,959
2016-12-06 Small Robert J Buy 23,085 248.04 5,725,911
2016-12-05 Small Robert J Buy 75,000 248.20 18,614,775
2016-12-02 Small Robert J Buy 150,000 243.99 36,598,050
2016-11-30 Laubenthal Raymond F (Director) Buy 7,200 245.36 1,766,599
2016-11-21 Graff Michael (Director) Sale 3,928 251.33 987,239
2016-11-21 Graff Michael (Director) Option Ex 3,418 203.00 693,871
2016-11-01 Henderson Robert S (Exec.V.P.) Sale 10,000 271.85 2,718,500
2016-11-01 Henderson Robert S (Exec.V.P.) Option Ex 10,000 27.08 270,800
2016-09-14 Howley W Nicholas (Chief Executive Officer) Sale 7,500 282.34 2,117,520
2016-09-14 Howley W Nicholas (Chief Executive Officer) Option Ex 7,500 82.67 620,025
2016-09-13 Palmer Peter (Executive Vice President) Sale 20,500 282.58 5,792,890
2016-09-13 Palmer Peter (Executive Vice President) Option Ex 20,500 77.14 1,581,370
2016-09-01 Jones Roger (Executive Vice President) Sale 7,500 285.81 2,143,552
2016-09-01 Jones Roger (Executive Vice President) Option Ex 7,500 25.60 192,000
2016-08-30 Iversen Bernt G Ii (Executive Vice President) Sale 10,000 287.50 2,875,050
2016-08-30 Iversen Bernt G Ii (Executive Vice President) Option Ex 10,000 27.08 270,800
2016-08-15 Reiss Joel (Executive Vice President) Option Ex 10,000 156.09 1,560,850
2016-08-01 Iversen Bernt G Ii (Executive Vice President) Sale 10,000 278.86 2,788,590
2016-08-01 Iversen Bernt G Ii (Executive Vice President) Option Ex 10,000 27.08 270,800
2016-06-30 Iversen Bernt G Ii (Executive Vice President) Sale 10,000 261.84 2,618,420
2016-06-30 Iversen Bernt G Ii (Executive Vice President) Option Ex 10,000 27.08 270,800
2016-06-13 Leary John F (Executive Vice President) Sale 20,740 260.55 5,403,848
2016-06-13 Leary John F (Executive Vice President) Option Ex 20,740 27.08 561,639
2016-06-10 Hennessy Sean P (Director) Option Ex 15,900 27.08 430,572
2016-06-08 Howley W Nicholas (Chief Executive Officer) Sale 100,000 265.42 26,542,100
2016-06-08 Howley W Nicholas (Chief Executive Officer) Option Ex 100,000 27.08 2,708,000
2016-06-02 Henderson Robert S (Exec.V.P.) Sale 17,000 265.71 4,517,121
2016-06-02 Henderson Robert S (Exec.V.P.) Option Ex 17,000 27.08 460,360
2016-06-01 Henderson Robert S (Exec.V.P.) Sale 10,000 265.15 2,651,480
2016-06-01 Henderson Robert S (Exec.V.P.) Option Ex 10,000 27.08 270,800
2016-05-31 Iversen Bernt G Ii (Executive Vice President) Sale 10,000 264.25 2,642,550
2016-05-31 Iversen Bernt G Ii (Executive Vice President) Option Ex 10,000 27.08 270,800
2016-05-27 Valladares Jorge (Executive Vice President) Sale 10,000 254.38 2,543,830
2016-05-27 Valladares Jorge (Executive Vice President) Option Ex 10,000 27.08 270,800
2016-05-10 Rufus Gregory (Sr. Exec. VP) Sale 20,900 242.35 5,065,135
2016-05-10 Rufus Gregory (Sr. Exec. VP) Option Ex 21,000 27.08 568,680
2016-05-02 Iversen Bernt G Ii (Executive Vice President) Sale 10,000 226.91 2,269,120
2016-05-02 Iversen Bernt G Ii (Executive Vice President) Option Ex 10,000 27.08 270,800
2016-04-20 Rufus Gregory (Sr. Exec. VP) Sale 3,345 230.00 769,350
2016-04-20 Rufus Gregory (Sr. Exec. VP) Option Ex 3,345 27.08 90,582
2016-03-30 Iversen Bernt G Ii (Executive Vice President) Sale 10,000 223.04 2,230,410
2016-03-30 Iversen Bernt G Ii (Executive Vice President) Option Ex 10,000 27.08 270,800
2016-03-21 Reiss Joel (Executive Vice President) Option Ex 3,600 27.08 97,488
2016-03-17 Rufus Gregory (Sr. Exec. VP) Sale 3,888 230.00 894,240
2016-03-17 Rufus Gregory (Sr. Exec. VP) Option Ex 3,888 27.08 105,287
2016-03-07 Small Robert J Buy 7,306 221.70 1,619,732
2016-03-04 Small Robert J Buy 16,849 221.10 3,725,381
2016-03-03 Small Robert J Buy 17,500 219.66 3,844,032
2016-02-16 Small Robert J (Director) Buy 67,300 199.99 13,529,590
2016-02-12 Small Robert J (Director) Buy 200,000 193.55 38,709,800
2016-02-11 Small Robert J (Director) Buy 250,000 187.98 46,994,000
2016-02-10 Rufus Gregory (Sr. Exec. VP) Option Ex 500 27.08 13,540

Insider trading activities including stock purchases, stock sales, and option exercises of TDG listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Transdigm Group Inc (symbol TDG, CIK number 1260221) see the Securities and Exchange Commission (SEC) website.