TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2020

Shares 7,509 Value ($000) $4,647 Avg Close $457.04 Range $377.14 - $517.44

Q3 2020

Shares 7,613 Value ($000) $3,617 Avg Close $390.77 Range $336.62 - $439.84

Q2 2020

Shares 7,179 Value ($000) $3,173 Avg Close $314.55 Range $216.10 - $446.79

Q1 2020

Shares 7,105 Value ($000) $2,275 Avg Close $452.74 Range $166.28 - $559.78

Q4 2019

Shares 7,105 Value ($000) $3,979 Avg Close $431.37 Range $390.88 - $473.78

Q3 2019

Shares 7,072 Value ($000) $3,682 Avg Close $392.06 Range $338.00 - $426.07

Q2 2019

Shares 6,978 Value ($000) $3,376 Avg Close $347.24 Range $325.07 - $371.97

Q1 2019

Shares 6,943 Value ($000) $3,152 Avg Close $301.26 Range $241.12 - $338.24

Q4 2018

Shares 6,842 Value ($000) $2,327 Avg Close $254.69 Range $228.13 - $278.59

Q3 2018

Shares 6,807 Value ($000) $2,534 Avg Close $267.24 Range $250.90 - $280.31

Q2 2018

Shares 6,841 Value ($000) $2,361 Avg Close $243.87 Range $221.45 - $258.04

Q1 2018

Shares 6,762 Value ($000) $2,076 Avg Close $218.67 Range $196.90 - $238.53

Q4 2017

Shares 6,731 Value ($000) $1,848 Avg Close $201.62 Range $189.22 - $211.95

Q3 2017

Shares 6,702 Value ($000) $1,713 Avg Close $189.94 Range $179.71 - $201.53

Q2 2017

Shares 6,787 Value ($000) $1,825 Avg Close $173.41 Range $148.53 - $187.86

Q1 2017

Shares 6,865 Value ($000) $1,511 Avg Close $163.01 Range $139.17 - $177.33

Q4 2016

Shares 6,860 Value ($000) $1,708 Avg Close $176.01 Range $160.64 - $189.46

Q2 2016

Shares 7,136 Value ($000) $1,882 Avg Close $152.60 Range $135.64 - $167.49

Q4 2014

Shares 61,104 Value ($000) $11,998 Avg Close $117.83 Range $104.12 - $125.64

Q3 2014

Shares 100,311 Value ($000) $18,490 Avg Close $111.57 Range $102.95 - $120.15

Q2 2014

Shares 101,953 Value ($000) $17,053 Avg Close $101.01 Range $93.79 - $108.05

Q1 2014

Shares 132,510 Value ($000) $24,541 Avg Close $95.29 Range $86.57 - $102.25

Q4 2013

Shares 132,700 Value ($000) $21,367 Avg Close $81.23 Range $74.58 - $88.80

Q3 2013

Shares 133,875 Value ($000) $18,568 Avg Close $76.29 Range $70.62 - $81.77

Q2 2013

Shares 40,000 Value ($000) $6,271 Avg Close $70.58 Range $67.23 - $77.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	7,509	$4,647	$457.04	$377.14 - $517.44
Q3 2020	7,613	$3,617	$390.77	$336.62 - $439.84
Q2 2020	7,179	$3,173	$314.55	$216.10 - $446.79
Q1 2020	7,105	$2,275	$452.74	$166.28 - $559.78
Q4 2019	7,105	$3,979	$431.37	$390.88 - $473.78
Q3 2019	7,072	$3,682	$392.06	$338.00 - $426.07
Q2 2019	6,978	$3,376	$347.24	$325.07 - $371.97
Q1 2019	6,943	$3,152	$301.26	$241.12 - $338.24
Q4 2018	6,842	$2,327	$254.69	$228.13 - $278.59
Q3 2018	6,807	$2,534	$267.24	$250.90 - $280.31
Q2 2018	6,841	$2,361	$243.87	$221.45 - $258.04
Q1 2018	6,762	$2,076	$218.67	$196.90 - $238.53
Q4 2017	6,731	$1,848	$201.62	$189.22 - $211.95
Q3 2017	6,702	$1,713	$189.94	$179.71 - $201.53
Q2 2017	6,787	$1,825	$173.41	$148.53 - $187.86
Q1 2017	6,865	$1,511	$163.01	$139.17 - $177.33
Q4 2016	6,860	$1,708	$176.01	$160.64 - $189.46
Q2 2016	7,136	$1,882	$152.60	$135.64 - $167.49
Q4 2014	61,104	$11,998	$117.83	$104.12 - $125.64
Q3 2014	100,311	$18,490	$111.57	$102.95 - $120.15
Q2 2014	101,953	$17,053	$101.01	$93.79 - $108.05
Q1 2014	132,510	$24,541	$95.29	$86.57 - $102.25
Q4 2013	132,700	$21,367	$81.23	$74.58 - $88.80
Q3 2013	133,875	$18,568	$76.29	$70.62 - $81.77
Q2 2013	40,000	$6,271	$70.58	$67.23 - $77.43