CHAMPIONX CORPORATION

CUSIP: 15872M104 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q1 2025
Shares 1,310,725 Value ($000) $39,060 Avg Close — Range —
Q4 2024
Shares 1,273,972 Value ($000) $34,639 Avg Close — Range —
Q3 2024
Shares 1,133,863 Value ($000) $34,186 Avg Close — Range —
Q2 2024
Shares 1,083,743 Value ($000) $35,991 Avg Close — Range —
Q1 2024
Shares 1,009,418 Value ($000) $36,228 Avg Close — Range —
Q4 2023
Shares 891,381 Value ($000) $26,037 Avg Close — Range —
Q3 2023
Shares 700,453 Value ($000) $24,950 Avg Close — Range —
Q2 2023
Shares 650,105 Value ($000) $20,179 Avg Close — Range —
Q1 2023
Shares 602,799 Value ($000) $16,354 Avg Close — Range —