TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 13,100 Value ($000) $17,421 Avg Close $1310.75 Range $1235.69 - $1367.65

Q3 2025

Shares 13,532 Value ($000) $17,835 Avg Close $1364.80 Range $1243.55 - $1519.36

Q2 2025

Shares 213,775 Value ($000) $23,004 Avg Close $1314.14 Range $1107.45 - $1430.11

Q1 2025

Shares 12,826 Value ($000) $17,742 Avg Close $1247.54 Range $1160.54 - $1316.81

Q4 2024

Shares 11,956 Value ($000) $15,152 Avg Close $1229.53 Range $1150.91 - $1333.02

Q3 2024

Shares 12,215 Value ($000) $17,432 Avg Close $1152.37 Range $1042.46 - $1269.97

Q2 2024

Shares 12,291 Value ($000) $15,703 Avg Close $1136.24 Range $1050.85 - $1213.74

Q1 2024

Shares 12,207 Value ($000) $15,034 Avg Close $997.72 Range $861.47 - $1097.97

Q4 2023

Shares 12,113 Value ($000) $12,254 Avg Close $802.78 Range $685.93 - $902.61

Q3 2023

Shares 11,096 Value ($000) $9,355 Avg Close $749.90 Range $712.93 - $803.50

Q2 2023

Shares 9,101 Value ($000) $8,138 Avg Close $676.05 Range $611.15 - $768.93

Q1 2023

Shares 8,793 Value ($000) $6,481 Avg Close $610.68 Range $533.03 - $659.90

Q4 2022

Shares 8,732 Value ($000) $5 Avg Close $503.62 Range $427.08 - $554.24

Q3 2022

Shares 7,536 Value ($000) $3,955 Avg Close $502.76 Range $427.88 - $565.18

Q2 2022

Shares 7,550 Value ($000) $4,052 Avg Close $490.58 Range $415.64 - $563.58

Q1 2022

Shares 7,050 Value ($000) $4,593 Avg Close $534.00 Range $477.93 - $569.10

Q4 2021

Shares 6,572 Value ($000) $4,182 Avg Close $520.38 Range $459.39 - $570.21

Q3 2021

Shares 6,561 Value ($000) $4,098 Avg Close $519.19 Range $482.92 - $550.47

Q2 2021

Shares 6,877 Value ($000) $4,451 Avg Close $521.39 Range $479.18 - $571.85

Q1 2021

Shares 6,840 Value ($000) $4,021 Avg Close $489.77 Range $430.01 - $520.29

Q4 2020

Shares 6,802 Value ($000) $4,209 Avg Close $457.04 Range $377.14 - $517.44

Q3 2020

Shares 5,022 Value ($000) $2,386 Avg Close $390.77 Range $336.62 - $439.84

Q2 2020

Shares 2,875 Value ($000) $1,271 Avg Close $314.55 Range $216.10 - $446.79

Q1 2020

Shares 3,182 Value ($000) $1,019 Avg Close $452.74 Range $166.28 - $559.78

Q4 2019

Shares 3,207 Value ($000) $1,796 Avg Close $431.37 Range $390.88 - $473.78

Q3 2019

Shares 3,181 Value ($000) $1,656 Avg Close $392.06 Range $338.00 - $426.07

Q2 2019

Shares 2,872 Value ($000) $1,389 Avg Close $347.24 Range $325.07 - $371.97

Q1 2019

Shares 2,845 Value ($000) $1,292 Avg Close $301.26 Range $241.12 - $338.24

Q4 2018

Shares 2,647 Value ($000) $900 Avg Close $254.69 Range $228.13 - $278.59

Q3 2018

Shares 3,973 Value ($000) $1,479 Avg Close $267.24 Range $250.90 - $280.31

Q2 2018

Shares 5,104 Value ($000) $1,762 Avg Close $243.87 Range $221.45 - $258.04

Q1 2018

Shares 4,344 Value ($000) $1,333 Avg Close $218.67 Range $196.90 - $238.53

Q4 2017

Shares 4,322 Value ($000) $1,187 Avg Close $201.62 Range $189.22 - $211.95

Q3 2017

Shares 3,926 Value ($000) $1,004 Avg Close $189.94 Range $179.71 - $201.53

Q2 2017

Shares 3,633 Value ($000) $977 Avg Close $173.41 Range $148.53 - $187.86

Q1 2017

Shares 3,685 Value ($000) $811 Avg Close $163.01 Range $139.17 - $177.33

Q4 2016

Shares 2,875 Value ($000) $716 Avg Close $176.01 Range $160.64 - $189.46

Q3 2016

Shares 2,860 Value ($000) $827 Avg Close $175.41 Range $160.79 - $183.97

Q2 2016

Shares 4,242 Value ($000) $1,119 Avg Close $152.60 Range $135.64 - $167.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,100	$17,421	$1310.75	$1235.69 - $1367.65
Q3 2025	13,532	$17,835	$1364.80	$1243.55 - $1519.36
Q2 2025	213,775	$23,004	$1314.14	$1107.45 - $1430.11
Q1 2025	12,826	$17,742	$1247.54	$1160.54 - $1316.81
Q4 2024	11,956	$15,152	$1229.53	$1150.91 - $1333.02
Q3 2024	12,215	$17,432	$1152.37	$1042.46 - $1269.97
Q2 2024	12,291	$15,703	$1136.24	$1050.85 - $1213.74
Q1 2024	12,207	$15,034	$997.72	$861.47 - $1097.97
Q4 2023	12,113	$12,254	$802.78	$685.93 - $902.61
Q3 2023	11,096	$9,355	$749.90	$712.93 - $803.50
Q2 2023	9,101	$8,138	$676.05	$611.15 - $768.93
Q1 2023	8,793	$6,481	$610.68	$533.03 - $659.90
Q4 2022	8,732	$5	$503.62	$427.08 - $554.24
Q3 2022	7,536	$3,955	$502.76	$427.88 - $565.18
Q2 2022	7,550	$4,052	$490.58	$415.64 - $563.58
Q1 2022	7,050	$4,593	$534.00	$477.93 - $569.10
Q4 2021	6,572	$4,182	$520.38	$459.39 - $570.21
Q3 2021	6,561	$4,098	$519.19	$482.92 - $550.47
Q2 2021	6,877	$4,451	$521.39	$479.18 - $571.85
Q1 2021	6,840	$4,021	$489.77	$430.01 - $520.29
Q4 2020	6,802	$4,209	$457.04	$377.14 - $517.44
Q3 2020	5,022	$2,386	$390.77	$336.62 - $439.84
Q2 2020	2,875	$1,271	$314.55	$216.10 - $446.79
Q1 2020	3,182	$1,019	$452.74	$166.28 - $559.78
Q4 2019	3,207	$1,796	$431.37	$390.88 - $473.78
Q3 2019	3,181	$1,656	$392.06	$338.00 - $426.07
Q2 2019	2,872	$1,389	$347.24	$325.07 - $371.97
Q1 2019	2,845	$1,292	$301.26	$241.12 - $338.24
Q4 2018	2,647	$900	$254.69	$228.13 - $278.59
Q3 2018	3,973	$1,479	$267.24	$250.90 - $280.31
Q2 2018	5,104	$1,762	$243.87	$221.45 - $258.04
Q1 2018	4,344	$1,333	$218.67	$196.90 - $238.53
Q4 2017	4,322	$1,187	$201.62	$189.22 - $211.95
Q3 2017	3,926	$1,004	$189.94	$179.71 - $201.53
Q2 2017	3,633	$977	$173.41	$148.53 - $187.86
Q1 2017	3,685	$811	$163.01	$139.17 - $177.33
Q4 2016	2,875	$716	$176.01	$160.64 - $189.46
Q3 2016	2,860	$827	$175.41	$160.79 - $183.97
Q2 2016	4,242	$1,119	$152.60	$135.64 - $167.49