ATMUS FILTRATION TECHNOLOGIE

Ticker: ATMU CUSIP: 04956D107 Class: Common Stock

Marathon Partners Equity Management, LLC's Holding History (CIK: 0001353311)

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

Q4 2025

Shares 80,000 Value ($000) $4,153 Avg Close $48.33 Range $42.52 - $54.79

Q3 2025

Shares 112,500 Value ($000) $5,073 Avg Close $41.84 Range $35.97 - $47.01

Q2 2025

Shares 137,500 Value ($000) $5,008 Avg Close $35.53 Range $30.80 - $38.98

Q1 2025

Shares 140,000 Value ($000) $5,142 Avg Close $39.25 Range $35.50 - $43.83

Q4 2024

Shares 145,000 Value ($000) $5,681 Avg Close $40.32 Range $36.62 - $45.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	80,000	$4,153	$48.33	$42.52 - $54.79
Q3 2025	112,500	$5,073	$41.84	$35.97 - $47.01
Q2 2025	137,500	$5,008	$35.53	$30.80 - $38.98
Q1 2025	140,000	$5,142	$39.25	$35.50 - $43.83
Q4 2024	145,000	$5,681	$40.32	$36.62 - $45.16