QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

MYDA Advisors LLC's Holding History (CIK: 0001589689)

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

Q1 2022
Shares 8,000 Value ($000) $900 Avg Close — Range —
Q4 2021
Shares 25,000 Value ($000) $3,375 Avg Close — Range —
Q3 2021
Shares 26,800 Value ($000) $3,783 Avg Close — Range —
Q2 2021
Shares 11,500 Value ($000) $1,473 Avg Close — Range —