SOTERA HEALTH CO

Ticker: SHC CUSIP: 83601L102 Class: Common Stock

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

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

Q3 2025

Shares 3,722 Value ($000) $59 Avg Close $14.04 Range $10.93 - $16.64

Q2 2025

Shares 163 Value ($000) $2 Avg Close $11.71 Range $9.53 - $13.82

Q1 2025

Shares 263 Value ($000) $3 Avg Close $12.87 Range $11.05 - $14.00

Q2 2024

Shares 1,225 Value ($000) $15 Avg Close $11.42 Range $10.71 - $12.55

Q1 2024

Shares 2,634 Value ($000) $32 Avg Close $14.88 Range $10.74 - $17.44

Q4 2023

Shares 1,093 Value ($000) $18 Avg Close $14.16 Range $12.34 - $17.39

Q3 2023

Shares 1,901 Value ($000) $28 Avg Close $16.87 Range $14.32 - $19.40

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	3,722	$59	$14.04	$10.93 - $16.64
Q2 2025	163	$2	$11.71	$9.53 - $13.82
Q1 2025	263	$3	$12.87	$11.05 - $14.00
Q2 2024	1,225	$15	$11.42	$10.71 - $12.55
Q1 2024	2,634	$32	$14.88	$10.74 - $17.44
Q4 2023	1,093	$18	$14.16	$12.34 - $17.39
Q3 2023	1,901	$28	$16.87	$14.32 - $19.40