TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2025

Shares 28,021 Value ($000) $37 Avg Close $1310.75 Range $1235.69 - $1367.65

Q3 2025

Shares 23,134 Value ($000) $30 Avg Close $1364.80 Range $1243.55 - $1519.36

Q2 2025

Shares 22,498 Value ($000) $34 Avg Close $1314.14 Range $1107.45 - $1430.11

Q1 2025

Shares 21,537 Value ($000) $30 Avg Close $1247.54 Range $1160.54 - $1316.81

Q4 2024

Shares 21,370 Value ($000) $27 Avg Close $1229.53 Range $1150.91 - $1333.02

Q3 2024

Shares 21,291 Value ($000) $30 Avg Close $1152.37 Range $1042.46 - $1269.97

Q2 2024

Shares 20,945 Value ($000) $27 Avg Close $1136.24 Range $1050.85 - $1213.74

Q1 2024

Shares 19,322 Value ($000) $24 Avg Close $997.72 Range $861.47 - $1097.97

Q4 2023

Shares 18,503 Value ($000) $19 Avg Close $802.78 Range $685.93 - $902.61

Q3 2023

Shares 17,366 Value ($000) $15 Avg Close $749.90 Range $712.93 - $803.50

Q2 2023

Shares 16,699 Value ($000) $15 Avg Close $676.05 Range $611.15 - $768.93

Q1 2023

Shares 15,915 Value ($000) $12 Avg Close $610.68 Range $533.03 - $659.90

Q4 2022

Shares 16,376 Value ($000) $10 Avg Close $503.62 Range $427.08 - $554.24

Q3 2022

Shares 16,695 Value ($000) $8,754 Avg Close $502.76 Range $427.88 - $565.18

Q2 2022

Shares 17,616 Value ($000) $9,464 Avg Close $490.58 Range $415.64 - $563.58

Q1 2022

Shares 18,093 Value ($000) $12,354 Avg Close $534.00 Range $477.93 - $569.10

Q4 2021

Shares 18,777 Value ($000) $11,924 Avg Close $520.38 Range $459.39 - $570.21

Q3 2021

Shares 19,828 Value ($000) $12,463 Avg Close $519.19 Range $482.92 - $550.47

Q2 2021

Shares 23,786 Value ($000) $15,394 Avg Close $521.39 Range $479.18 - $571.85

Q1 2021

Shares 23,806 Value ($000) $13,923 Avg Close $489.77 Range $430.01 - $520.29

Q4 2020

Shares 23,943 Value ($000) $14,792 Avg Close $457.04 Range $377.14 - $517.44

Q3 2020

Shares 26,049 Value ($000) $12,378 Avg Close $390.77 Range $336.62 - $439.84

Q2 2020

Shares 26,296 Value ($000) $11,580 Avg Close $314.55 Range $216.10 - $446.79

Q1 2020

Shares 27,551 Value ($000) $8,892 Avg Close $452.74 Range $166.28 - $559.78

Q4 2019

Shares 30,812 Value ($000) $17,124 Avg Close $431.37 Range $390.88 - $473.78

Q3 2019

Shares 32,077 Value ($000) $16,721 Avg Close $392.06 Range $338.00 - $426.07

Q2 2019

Shares 36,097 Value ($000) $17,445 Avg Close $347.24 Range $325.07 - $371.97

Q1 2019

Shares 37,008 Value ($000) $16,760 Avg Close $301.26 Range $241.12 - $338.24

Q4 2018

Shares 37,114 Value ($000) $12,041 Avg Close $254.69 Range $228.13 - $278.59

Q3 2018

Shares 54,431 Value ($000) $20,292 Avg Close $267.24 Range $250.90 - $280.31

Q2 2018

Shares 40,004 Value ($000) $13,816 Avg Close $243.87 Range $221.45 - $258.04

Q1 2018

Shares 41,127 Value ($000) $12,639 Avg Close $218.67 Range $196.90 - $238.53

Q4 2017

Shares 37,083 Value ($000) $10,179 Avg Close $201.62 Range $189.22 - $211.95

Q3 2017

Shares 37,233 Value ($000) $9,430 Avg Close $189.94 Range $179.71 - $201.53

Q2 2017

Shares 36,874 Value ($000) $9,900 Avg Close $173.41 Range $148.53 - $187.86

Q1 2017

Shares 37,233 Value ($000) $8,190 Avg Close $163.01 Range $139.17 - $177.33

Q4 2016

Shares 53,155 Value ($000) $13,272 Avg Close $176.01 Range $160.64 - $189.46

Q3 2016

Shares 57,488 Value ($000) $16,622 Avg Close $175.41 Range $160.79 - $183.97

Q2 2016

Shares 54,929 Value ($000) $14,443 Avg Close $152.60 Range $135.64 - $167.49

Q1 2016

Shares 60,671 Value ($000) $13,350 Avg Close $136.47 Range $112.97 - $145.25

Q4 2015

Shares 58,025 Value ($000) $13,271 Avg Close $140.66 Range $131.38 - $149.06

Q3 2015

Shares 67,483 Value ($000) $14,300 Avg Close $143.01 Range $130.21 - $153.05

Q2 2015

Shares 73,006 Value ($000) $16,380 Avg Close $140.09 Range $132.07 - $145.10

Q1 2015

Shares 67,308 Value ($000) $14,684 Avg Close $131.65 Range $121.43 - $141.37

Q4 2014

Shares 63,416 Value ($000) $12,452 Avg Close $117.83 Range $104.12 - $125.64

Q3 2014

Shares 62,140 Value ($000) $11,465 Avg Close $111.57 Range $102.95 - $120.15

Q2 2014

Shares 52,743 Value ($000) $8,799 Avg Close $101.01 Range $93.79 - $108.05

Q1 2014

Shares 22,743 Value ($000) $4,192 Avg Close $95.29 Range $86.57 - $102.25

Q4 2013

Shares 22,382 Value ($000) $3,621 Avg Close $81.23 Range $74.58 - $88.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,021	$37	$1310.75	$1235.69 - $1367.65
Q3 2025	23,134	$30	$1364.80	$1243.55 - $1519.36
Q2 2025	22,498	$34	$1314.14	$1107.45 - $1430.11
Q1 2025	21,537	$30	$1247.54	$1160.54 - $1316.81
Q4 2024	21,370	$27	$1229.53	$1150.91 - $1333.02
Q3 2024	21,291	$30	$1152.37	$1042.46 - $1269.97
Q2 2024	20,945	$27	$1136.24	$1050.85 - $1213.74
Q1 2024	19,322	$24	$997.72	$861.47 - $1097.97
Q4 2023	18,503	$19	$802.78	$685.93 - $902.61
Q3 2023	17,366	$15	$749.90	$712.93 - $803.50
Q2 2023	16,699	$15	$676.05	$611.15 - $768.93
Q1 2023	15,915	$12	$610.68	$533.03 - $659.90
Q4 2022	16,376	$10	$503.62	$427.08 - $554.24
Q3 2022	16,695	$8,754	$502.76	$427.88 - $565.18
Q2 2022	17,616	$9,464	$490.58	$415.64 - $563.58
Q1 2022	18,093	$12,354	$534.00	$477.93 - $569.10
Q4 2021	18,777	$11,924	$520.38	$459.39 - $570.21
Q3 2021	19,828	$12,463	$519.19	$482.92 - $550.47
Q2 2021	23,786	$15,394	$521.39	$479.18 - $571.85
Q1 2021	23,806	$13,923	$489.77	$430.01 - $520.29
Q4 2020	23,943	$14,792	$457.04	$377.14 - $517.44
Q3 2020	26,049	$12,378	$390.77	$336.62 - $439.84
Q2 2020	26,296	$11,580	$314.55	$216.10 - $446.79
Q1 2020	27,551	$8,892	$452.74	$166.28 - $559.78
Q4 2019	30,812	$17,124	$431.37	$390.88 - $473.78
Q3 2019	32,077	$16,721	$392.06	$338.00 - $426.07
Q2 2019	36,097	$17,445	$347.24	$325.07 - $371.97
Q1 2019	37,008	$16,760	$301.26	$241.12 - $338.24
Q4 2018	37,114	$12,041	$254.69	$228.13 - $278.59
Q3 2018	54,431	$20,292	$267.24	$250.90 - $280.31
Q2 2018	40,004	$13,816	$243.87	$221.45 - $258.04
Q1 2018	41,127	$12,639	$218.67	$196.90 - $238.53
Q4 2017	37,083	$10,179	$201.62	$189.22 - $211.95
Q3 2017	37,233	$9,430	$189.94	$179.71 - $201.53
Q2 2017	36,874	$9,900	$173.41	$148.53 - $187.86
Q1 2017	37,233	$8,190	$163.01	$139.17 - $177.33
Q4 2016	53,155	$13,272	$176.01	$160.64 - $189.46
Q3 2016	57,488	$16,622	$175.41	$160.79 - $183.97
Q2 2016	54,929	$14,443	$152.60	$135.64 - $167.49
Q1 2016	60,671	$13,350	$136.47	$112.97 - $145.25
Q4 2015	58,025	$13,271	$140.66	$131.38 - $149.06
Q3 2015	67,483	$14,300	$143.01	$130.21 - $153.05
Q2 2015	73,006	$16,380	$140.09	$132.07 - $145.10
Q1 2015	67,308	$14,684	$131.65	$121.43 - $141.37
Q4 2014	63,416	$12,452	$117.83	$104.12 - $125.64
Q3 2014	62,140	$11,465	$111.57	$102.95 - $120.15
Q2 2014	52,743	$8,799	$101.01	$93.79 - $108.05
Q1 2014	22,743	$4,192	$95.29	$86.57 - $102.25
Q4 2013	22,382	$3,621	$81.23	$74.58 - $88.80