ATMUS FILTRATION TECHNOLOGIE

Ticker: ATMU CUSIP: 04956D107 Class: Common Stock

Charter Oak Advisors LP's Holding History (CIK: 0002022905)

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

Q4 2025

Shares 66,464 Value ($000) $3,450 Avg Close $48.33 Range $42.52 - $54.79

Q3 2025

Shares 66,464 Value ($000) $2,997 Avg Close $41.84 Range $35.97 - $47.01

Q2 2025

Shares 66,464 Value ($000) $2,421 Avg Close $35.53 Range $30.80 - $38.98

Q1 2025

Shares 66,464 Value ($000) $2,441 Avg Close $39.25 Range $35.50 - $43.83

Q4 2024

Shares 66,464 Value ($000) $2,604 Avg Close $40.32 Range $36.62 - $45.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	66,464	$3,450	$48.33	$42.52 - $54.79
Q3 2025	66,464	$2,997	$41.84	$35.97 - $47.01
Q2 2025	66,464	$2,421	$35.53	$30.80 - $38.98
Q1 2025	66,464	$2,441	$39.25	$35.50 - $43.83
Q4 2024	66,464	$2,604	$40.32	$36.62 - $45.16