CHAMPIONX CORPORATION

CUSIP: 15872M104 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q1 2023
Shares 429,976 Value ($000) $11,665 Avg Close — Range —
Q4 2022
Shares 228,838 Value ($000) $6,634 Avg Close — Range —
Q2 2021
Shares 9,160 Value ($000) $235 Avg Close — Range —