QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2021
Shares 3,153 Value ($000) $445 Avg Close — Range —
Q2 2021
Shares 4,457 Value ($000) $571 Avg Close — Range —
Q1 2021
Shares 1,412 Value ($000) $181 Avg Close — Range —
Q4 2020
Shares 8,246 Value ($000) $1,481 Avg Close — Range —
Q3 2020
Shares 5,543 Value ($000) $1,216 Avg Close — Range —
Q2 2020
Shares 1,433 Value ($000) $321 Avg Close — Range —
Q1 2020
Shares 8,565 Value ($000) $838 Avg Close — Range —
Q1 2018
Shares 6,834 Value ($000) $354 Avg Close — Range —
Q3 2015
Shares 6,600 Value ($000) $125 Avg Close — Range —