CHAMPIONX CORPORATION

CUSIP: 15872M104 Class: Common Stock

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q1 2025
Shares 8,258 Value ($000) $246 Avg Close — Range —
Q4 2024
Shares 8,734 Value ($000) $237 Avg Close — Range —
Q3 2024
Shares 8,982 Value ($000) $271 Avg Close — Range —
Q2 2024
Shares 8,990 Value ($000) $299 Avg Close — Range —
Q1 2024
Shares 8,990 Value ($000) $323 Avg Close — Range —
Q4 2023
Shares 7,975 Value ($000) $233 Avg Close — Range —
Q3 2023
Shares 7,955 Value ($000) $283 Avg Close — Range —
Q2 2023
Shares 7,955 Value ($000) $247 Avg Close — Range —
Q1 2023
Shares 7,955 Value ($000) $216 Avg Close — Range —
Q4 2022
Shares 8,006 Value ($000) $232 Avg Close — Range —
Q2 2021
Shares 8,507 Value ($000) $218 Avg Close — Range —