TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 5 Value ($000) $7 Avg Close $1310.75 Range $1235.69 - $1367.65

Q2 2022

Shares 24,624 Value ($000) $13,215 Avg Close $490.58 Range $415.64 - $563.58

Q4 2021

Shares 10,060 Value ($000) $6,401 Avg Close $520.38 Range $459.39 - $570.21

Q3 2021

Shares 3,435 Value ($000) $2,145 Avg Close $519.19 Range $482.92 - $550.47

Q2 2021

Shares 504 Value ($000) $326 Avg Close $521.39 Range $479.18 - $571.85

Q1 2021

Shares 9,033 Value ($000) $5,311 Avg Close $489.77 Range $430.01 - $520.29

Q4 2020

Shares 21,207 Value ($000) $13,124 Avg Close $457.04 Range $377.14 - $517.44

Q4 2018

Shares 15,059 Value ($000) $5,121 Avg Close $254.69 Range $228.13 - $278.59

Q3 2018

Shares 12,302 Value ($000) $4,580 Avg Close $267.24 Range $250.90 - $280.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5	$7	$1310.75	$1235.69 - $1367.65
Q2 2022	24,624	$13,215	$490.58	$415.64 - $563.58
Q4 2021	10,060	$6,401	$520.38	$459.39 - $570.21
Q3 2021	3,435	$2,145	$519.19	$482.92 - $550.47
Q2 2021	504	$326	$521.39	$479.18 - $571.85
Q1 2021	9,033	$5,311	$489.77	$430.01 - $520.29
Q4 2020	21,207	$13,124	$457.04	$377.14 - $517.44
Q4 2018	15,059	$5,121	$254.69	$228.13 - $278.59
Q3 2018	12,302	$4,580	$267.24	$250.90 - $280.31