SOTERA HEALTH CO

Ticker: SHC CUSIP: 83601L102 Class: Common Stock

GLUSKIN SHEFF & ASSOC INC's Holding History (CIK: 0000905790)

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

Q4 2025

Shares 540,501 Value ($000) $9,534 Avg Close $16.54 Range $14.96 - $17.83

Q3 2025

Shares 544,771 Value ($000) $8,569 Avg Close $14.04 Range $10.93 - $16.64

Q2 2025

Shares 414,095 Value ($000) $4,605 Avg Close $11.71 Range $9.53 - $13.82

Q1 2025

Shares 256,269 Value ($000) $2,988 Avg Close $12.87 Range $11.05 - $14.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	540,501	$9,534	$16.54	$14.96 - $17.83
Q3 2025	544,771	$8,569	$14.04	$10.93 - $16.64
Q2 2025	414,095	$4,605	$11.71	$9.53 - $13.82
Q1 2025	256,269	$2,988	$12.87	$11.05 - $14.00