CHAMPIONX CORPORATION

CUSIP: 15872M104 Class: Common Stock

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q2 2025
Shares 710,103 Value ($000) $17,639 Avg Close — Range —
Q1 2025
Shares 1,494,500 Value ($000) $44,536 Avg Close — Range —
Q4 2024
Shares 1,494,500 Value ($000) $40,635 Avg Close — Range —
Q3 2024
Shares 262,000 Value ($000) $7,899 Avg Close — Range —
Q2 2024
Shares 262,000 Value ($000) $8,701 Avg Close — Range —