QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q4 2017
Shares 5,047 Value ($000) $219 Avg Close — Range —
Q3 2017
Shares 34,200 Value ($000) $1,500 Avg Close — Range —