CHAMPIONX CORPORATION

CUSIP: 15872M104 Class: Common Stock

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

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

Q1 2025
Shares 10,800 Value ($000) $322 Avg Close — Range —
Q4 2024
Shares 1,116,624 Value ($000) $30,361 Avg Close — Range —
Q3 2024
Shares 1,138,481 Value ($000) $34,325 Avg Close — Range —
Q2 2024
Shares 1,065,472 Value ($000) $35,384 Avg Close — Range —
Q4 2020
Shares 73,960 Value ($000) $1,132 Avg Close — Range —
Q3 2020
Shares 199,419 Value ($000) $1,593 Avg Close — Range —
Q2 2020
Shares 222,923 Value ($000) $2,176 Avg Close — Range —