QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q3 2020
Shares 1,200 Value ($000) $264 Avg Close — Range —
Q2 2020
Shares 20,600 Value ($000) $4,609 Avg Close — Range —
Q1 2020
Shares 43,600 Value ($000) $4,265 Avg Close — Range —
Q4 2018
Shares 21,300 Value ($000) $1,039 Avg Close — Range —
Q1 2018
Shares 3,900 Value ($000) $202 Avg Close — Range —