ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

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

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

Q2 2021
Shares 571,247 Value ($000) $104,944 Avg Close — Range —
Q1 2021
Shares 546,445 Value ($000) $83,557 Avg Close — Range —
Q4 2020
Shares 481,238 Value ($000) $75,189 Avg Close — Range —