X4 PHARMACEUTICALS INC

CUSIP: 98420X103 Class: Common Stock

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

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

Q4 2019
Shares 449,437 Value ($000) $4,809 Avg Close — Range —
Q3 2019
Shares 563,741 Value ($000) $7,165 Avg Close — Range —
Q2 2019
Shares 565,000 Value ($000) $8,475 Avg Close — Range —