AVANTOR INC

Ticker: AVTR CUSIP: 05352A100 Class: EQTY

Costello Asset Management, INC's Holding History (CIK: 0001760145)

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

Q4 2025

Shares 300 Value ($000) $3 Avg Close $12.31 Range $10.62 - $15.93

Q3 2025

Shares 300 Value ($000) $4 Avg Close $12.88 Range $10.82 - $14.42

Q2 2025

Shares 300 Value ($000) $4 Avg Close $13.68 Range $11.82 - $16.29

Q1 2025

Shares 300 Value ($000) $5 Avg Close $18.94 Range $15.37 - $23.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	300	$3	$12.31	$10.62 - $15.93
Q3 2025	300	$4	$12.88	$10.82 - $14.42
Q2 2025	300	$4	$13.68	$11.82 - $16.29
Q1 2025	300	$5	$18.94	$15.37 - $23.32