QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q1 2022
Shares 27,669 Value ($000) $3,112 Avg Close — Range —
Q4 2021
Shares 13,086 Value ($000) $1,766 Avg Close — Range —
Q3 2021
Shares 43,599 Value ($000) $6,154 Avg Close — Range —
Q2 2021
Shares 12,570 Value ($000) $1,610 Avg Close — Range —
Q1 2021
Shares 20,380 Value ($000) $2,607 Avg Close — Range —
Q2 2020
Shares 9,787 Value ($000) $2,190 Avg Close — Range —