QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

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

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

Q2 2021
Shares 409,219 Value ($000) $52,429 Avg Close — Range —
Q4 2020
Shares 220,000 Value ($000) $39,523 Avg Close — Range —
Q3 2020
Shares 130,521 Value ($000) $28,634 Avg Close — Range —