ATMUS FILTRATION TECHNOLOGIE

Ticker: ATMU CUSIP: 04956D107 Class: Common Stock

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

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

Q4 2025

Shares 2,378 Value ($000) $123 Avg Close $48.33 Range $42.52 - $54.79

Q3 2025

Shares 3,878 Value ($000) $175 Avg Close $41.84 Range $35.97 - $47.01

Q2 2024

Shares 10,812 Value ($000) $311 Avg Close $30.06 Range $27.38 - $33.40

Q1 2024

Shares 51,211 Value ($000) $1,652 Avg Close $23.72 Range $20.90 - $32.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,378	$123	$48.33	$42.52 - $54.79
Q3 2025	3,878	$175	$41.84	$35.97 - $47.01
Q2 2024	10,812	$311	$30.06	$27.38 - $33.40
Q1 2024	51,211	$1,652	$23.72	$20.90 - $32.23