TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

VIRGINIA RETIREMENT SYSTEMS ET AL's Holding History (CIK: 0001005354)

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

Q3 2019

Shares 9,200 Value ($000) $4,790 Avg Close $392.06 Range $338.00 - $426.07

Q2 2019

Shares 9,100 Value ($000) $4,403 Avg Close $347.24 Range $325.07 - $371.97

Q1 2019

Shares 9,100 Value ($000) $4,131 Avg Close $301.26 Range $241.12 - $338.24

Q4 2018

Shares 7,700 Value ($000) $2,618 Avg Close $254.69 Range $228.13 - $278.59

Q3 2018

Shares 9,500 Value ($000) $3,537 Avg Close $267.24 Range $250.90 - $280.31

Q2 2018

Shares 9,400 Value ($000) $3,244 Avg Close $243.87 Range $221.45 - $258.04

Q1 2018

Shares 2,300 Value ($000) $706 Avg Close $218.67 Range $196.90 - $238.53

Q4 2017

Shares 9,500 Value ($000) $2,609 Avg Close $201.62 Range $189.22 - $211.95

Q3 2017

Shares 9,900 Value ($000) $2,531 Avg Close $189.94 Range $179.71 - $201.53

Q2 2017

Shares 110,000 Value ($000) $29,576 Avg Close $173.41 Range $148.53 - $187.86

Q1 2017

Shares 110,000 Value ($000) $24,218 Avg Close $163.01 Range $139.17 - $177.33

Q4 2016

Shares 91,900 Value ($000) $22,879 Avg Close $176.01 Range $160.64 - $189.46

Q3 2016

Shares 68,500 Value ($000) $19,805 Avg Close $175.41 Range $160.79 - $183.97

Q2 2016

Shares 70,200 Value ($000) $18,511 Avg Close $152.60 Range $135.64 - $167.49

Q4 2015

Shares 18,938 Value ($000) $4,326 Avg Close $140.66 Range $131.38 - $149.06

Q3 2015

Shares 3,222 Value ($000) $684 Avg Close $143.01 Range $130.21 - $153.05

Q2 2015

Shares 3,099 Value ($000) $696 Avg Close $140.09 Range $132.07 - $145.10

Q1 2015

Shares 1,038 Value ($000) $227 Avg Close $131.65 Range $121.43 - $141.37

Q4 2014

Shares 1,031 Value ($000) $202 Avg Close $117.83 Range $104.12 - $125.64

Q1 2014

Shares 43,715 Value ($000) $8,096 Avg Close $95.29 Range $86.57 - $102.25

Q4 2013

Shares 57,734 Value ($000) $9,296 Avg Close $81.23 Range $74.58 - $88.80

Q3 2013

Shares 119,381 Value ($000) $16,558 Avg Close $76.29 Range $70.62 - $81.77

Q2 2013

Shares 139,094 Value ($000) $21,806 Avg Close $70.58 Range $67.23 - $77.43

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	9,200	$4,790	$392.06	$338.00 - $426.07
Q2 2019	9,100	$4,403	$347.24	$325.07 - $371.97
Q1 2019	9,100	$4,131	$301.26	$241.12 - $338.24
Q4 2018	7,700	$2,618	$254.69	$228.13 - $278.59
Q3 2018	9,500	$3,537	$267.24	$250.90 - $280.31
Q2 2018	9,400	$3,244	$243.87	$221.45 - $258.04
Q1 2018	2,300	$706	$218.67	$196.90 - $238.53
Q4 2017	9,500	$2,609	$201.62	$189.22 - $211.95
Q3 2017	9,900	$2,531	$189.94	$179.71 - $201.53
Q2 2017	110,000	$29,576	$173.41	$148.53 - $187.86
Q1 2017	110,000	$24,218	$163.01	$139.17 - $177.33
Q4 2016	91,900	$22,879	$176.01	$160.64 - $189.46
Q3 2016	68,500	$19,805	$175.41	$160.79 - $183.97
Q2 2016	70,200	$18,511	$152.60	$135.64 - $167.49
Q4 2015	18,938	$4,326	$140.66	$131.38 - $149.06
Q3 2015	3,222	$684	$143.01	$130.21 - $153.05
Q2 2015	3,099	$696	$140.09	$132.07 - $145.10
Q1 2015	1,038	$227	$131.65	$121.43 - $141.37
Q4 2014	1,031	$202	$117.83	$104.12 - $125.64
Q1 2014	43,715	$8,096	$95.29	$86.57 - $102.25
Q4 2013	57,734	$9,296	$81.23	$74.58 - $88.80
Q3 2013	119,381	$16,558	$76.29	$70.62 - $81.77
Q2 2013	139,094	$21,806	$70.58	$67.23 - $77.43