ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q1 2021
Shares 579,248 Value ($000) $88,573 Avg Close — Range —
Q4 2020
Shares 579,248 Value ($000) $90,502 Avg Close — Range —
Q3 2020
Shares 579,248 Value ($000) $66,283 Avg Close — Range —
Q2 2020
Shares 186,000 Value ($000) $20,877 Avg Close — Range —