TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 58,014 Value ($000) $77,150 Avg Close $1310.75 Range $1235.69 - $1367.65

Q3 2025

Shares 90,451 Value ($000) $119,216 Avg Close $1364.80 Range $1243.55 - $1519.36

Q2 2025

Shares 59,677 Value ($000) $90,747 Avg Close $1314.14 Range $1107.45 - $1430.11

Q1 2025

Shares 76,155 Value ($000) $105,344 Avg Close $1247.54 Range $1160.54 - $1316.81

Q4 2024

Shares 57,953 Value ($000) $73,443 Avg Close $1229.53 Range $1150.91 - $1333.02

Q3 2024

Shares 61,223 Value ($000) $85,889 Avg Close $1152.37 Range $1042.46 - $1269.97

Q2 2024

Shares 75,592 Value ($000) $100,671 Avg Close $1136.24 Range $1050.85 - $1213.74

Q1 2024

Shares 55,763 Value ($000) $68,868 Avg Close $997.72 Range $861.47 - $1097.97

Q4 2023

Shares 55,055 Value ($000) $55,845 Avg Close $802.78 Range $685.93 - $902.61

Q3 2023

Shares 39,835 Value ($000) $34,872 Avg Close $749.90 Range $712.93 - $803.50

Q2 2023

Shares 67,462 Value ($000) $60,483 Avg Close $676.05 Range $611.15 - $768.93

Q1 2023

Shares 52,191 Value ($000) $38,564 Avg Close $610.68 Range $533.03 - $659.90

Q4 2022

Shares 37,894 Value ($000) $23,865 Avg Close $503.62 Range $427.08 - $554.24

Q3 2022

Shares 28,058 Value ($000) $14,967 Avg Close $502.76 Range $427.88 - $565.18

Q2 2022

Shares 33,651 Value ($000) $18,108 Avg Close $490.58 Range $415.64 - $563.58

Q1 2022

Shares 31,814 Value ($000) $21,483 Avg Close $534.00 Range $477.93 - $569.10

Q4 2021

Shares 47,377 Value ($000) $30,296 Avg Close $520.38 Range $459.39 - $570.21

Q3 2021

Shares 48,622 Value ($000) $31,021 Avg Close $519.19 Range $482.92 - $550.47

Q2 2021

Shares 42,913 Value ($000) $27,697 Avg Close $521.39 Range $479.18 - $571.85

Q1 2021

Shares 31,725 Value ($000) $19,546 Avg Close $489.77 Range $430.01 - $520.29

Q4 2020

Shares 43,888 Value ($000) $26,900 Avg Close $457.04 Range $377.14 - $517.44

Q3 2020

Shares 24,777 Value ($000) $11,905 Avg Close $390.77 Range $336.62 - $439.84

Q2 2020

Shares 22,276 Value ($000) $9,156 Avg Close $314.55 Range $216.10 - $446.79

Q1 2020

Shares 19,333 Value ($000) $5,500 Avg Close $452.74 Range $166.28 - $559.78

Q4 2019

Shares 43,484 Value ($000) $24,351 Avg Close $431.37 Range $390.88 - $473.78

Q3 2019

Shares 42,183 Value ($000) $21,963 Avg Close $392.06 Range $338.00 - $426.07

Q2 2019

Shares 30,791 Value ($000) $14,896 Avg Close $347.24 Range $325.07 - $371.97

Q1 2019

Shares 15,645 Value ($000) $7,102 Avg Close $301.26 Range $241.12 - $338.24

Q4 2018

Shares 19,860 Value ($000) $6,754 Avg Close $254.69 Range $228.13 - $278.59

Q3 2018

Shares 27,560 Value ($000) $10,261 Avg Close $267.24 Range $250.90 - $280.31

Q2 2018

Shares 18,481 Value ($000) $6,378 Avg Close $243.87 Range $221.45 - $258.04

Q1 2018

Shares 30,888 Value ($000) $9,481 Avg Close $218.67 Range $196.90 - $238.53

Q4 2017

Shares 28,234 Value ($000) $7,753 Avg Close $201.62 Range $189.22 - $211.95

Q3 2017

Shares 21,419 Value ($000) $5,475 Avg Close $189.94 Range $179.71 - $201.53

Q2 2017

Shares 20,742 Value ($000) $5,576 Avg Close $173.41 Range $148.53 - $187.86

Q1 2017

Shares 18,463 Value ($000) $4,064 Avg Close $163.01 Range $139.17 - $177.33

Q4 2016

Shares 26,083 Value ($000) $6,558 Avg Close $176.01 Range $160.64 - $189.46

Q3 2016

Shares 30,783 Value ($000) $8,900 Avg Close $175.41 Range $160.79 - $183.97

Q2 2016

Shares 23,693 Value ($000) $6,247 Avg Close $152.60 Range $135.64 - $167.49

Q1 2016

Shares 46,123 Value ($000) $10,162 Avg Close $136.47 Range $112.97 - $145.25

Q4 2015

Shares 45,220 Value ($000) $10,331 Avg Close $140.66 Range $131.38 - $149.06

Q3 2015

Shares 83,070 Value ($000) $17,646 Avg Close $143.01 Range $130.21 - $153.05

Q2 2015

Shares 115,376 Value ($000) $25,921 Avg Close $140.09 Range $132.07 - $145.10

Q1 2015

Shares 165,960 Value ($000) $36,299 Avg Close $131.65 Range $121.43 - $141.37

Q4 2014

Shares 1,509 Value ($000) $296 Avg Close $117.83 Range $104.12 - $125.64

Q3 2014

Shares 1,661 Value ($000) $306 Avg Close $111.57 Range $102.95 - $120.15

Q2 2014

Shares 2,016 Value ($000) $337 Avg Close $101.01 Range $93.79 - $108.05

Q1 2014

Shares 268 Value ($000) $50 Avg Close $95.29 Range $86.57 - $102.25

Q4 2013

Shares 338 Value ($000) $54 Avg Close $81.23 Range $74.58 - $88.80

Q3 2013

Shares 1,592 Value ($000) $220 Avg Close $76.29 Range $70.62 - $81.77

Q2 2013

Shares 1,857 Value ($000) $291 Avg Close $70.58 Range $67.23 - $77.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	58,014	$77,150	$1310.75	$1235.69 - $1367.65
Q3 2025	90,451	$119,216	$1364.80	$1243.55 - $1519.36
Q2 2025	59,677	$90,747	$1314.14	$1107.45 - $1430.11
Q1 2025	76,155	$105,344	$1247.54	$1160.54 - $1316.81
Q4 2024	57,953	$73,443	$1229.53	$1150.91 - $1333.02
Q3 2024	61,223	$85,889	$1152.37	$1042.46 - $1269.97
Q2 2024	75,592	$100,671	$1136.24	$1050.85 - $1213.74
Q1 2024	55,763	$68,868	$997.72	$861.47 - $1097.97
Q4 2023	55,055	$55,845	$802.78	$685.93 - $902.61
Q3 2023	39,835	$34,872	$749.90	$712.93 - $803.50
Q2 2023	67,462	$60,483	$676.05	$611.15 - $768.93
Q1 2023	52,191	$38,564	$610.68	$533.03 - $659.90
Q4 2022	37,894	$23,865	$503.62	$427.08 - $554.24
Q3 2022	28,058	$14,967	$502.76	$427.88 - $565.18
Q2 2022	33,651	$18,108	$490.58	$415.64 - $563.58
Q1 2022	31,814	$21,483	$534.00	$477.93 - $569.10
Q4 2021	47,377	$30,296	$520.38	$459.39 - $570.21
Q3 2021	48,622	$31,021	$519.19	$482.92 - $550.47
Q2 2021	42,913	$27,697	$521.39	$479.18 - $571.85
Q1 2021	31,725	$19,546	$489.77	$430.01 - $520.29
Q4 2020	43,888	$26,900	$457.04	$377.14 - $517.44
Q3 2020	24,777	$11,905	$390.77	$336.62 - $439.84
Q2 2020	22,276	$9,156	$314.55	$216.10 - $446.79
Q1 2020	19,333	$5,500	$452.74	$166.28 - $559.78
Q4 2019	43,484	$24,351	$431.37	$390.88 - $473.78
Q3 2019	42,183	$21,963	$392.06	$338.00 - $426.07
Q2 2019	30,791	$14,896	$347.24	$325.07 - $371.97
Q1 2019	15,645	$7,102	$301.26	$241.12 - $338.24
Q4 2018	19,860	$6,754	$254.69	$228.13 - $278.59
Q3 2018	27,560	$10,261	$267.24	$250.90 - $280.31
Q2 2018	18,481	$6,378	$243.87	$221.45 - $258.04
Q1 2018	30,888	$9,481	$218.67	$196.90 - $238.53
Q4 2017	28,234	$7,753	$201.62	$189.22 - $211.95
Q3 2017	21,419	$5,475	$189.94	$179.71 - $201.53
Q2 2017	20,742	$5,576	$173.41	$148.53 - $187.86
Q1 2017	18,463	$4,064	$163.01	$139.17 - $177.33
Q4 2016	26,083	$6,558	$176.01	$160.64 - $189.46
Q3 2016	30,783	$8,900	$175.41	$160.79 - $183.97
Q2 2016	23,693	$6,247	$152.60	$135.64 - $167.49
Q1 2016	46,123	$10,162	$136.47	$112.97 - $145.25
Q4 2015	45,220	$10,331	$140.66	$131.38 - $149.06
Q3 2015	83,070	$17,646	$143.01	$130.21 - $153.05
Q2 2015	115,376	$25,921	$140.09	$132.07 - $145.10
Q1 2015	165,960	$36,299	$131.65	$121.43 - $141.37
Q4 2014	1,509	$296	$117.83	$104.12 - $125.64
Q3 2014	1,661	$306	$111.57	$102.95 - $120.15
Q2 2014	2,016	$337	$101.01	$93.79 - $108.05
Q1 2014	268	$50	$95.29	$86.57 - $102.25
Q4 2013	338	$54	$81.23	$74.58 - $88.80
Q3 2013	1,592	$220	$76.29	$70.62 - $81.77
Q2 2013	1,857	$291	$70.58	$67.23 - $77.43