QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q1 2022
Shares 6,523 Value ($000) $734 Avg Close — Range —
Q4 2020
Shares 1,836 Value ($000) $330 Avg Close — Range —
Q4 2018
Shares 9,357 Value ($000) $457 Avg Close — Range —