(QDEL)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	QDEL	Restricted Stock Units	Award	$0	+1,559		$0.000000	1,559	15 Oct 2021	Common Stock	1,559		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	Each restricted stock unit represents the right to receive one share of Quidel Corporation common stock.
F2	One-quarter of the shares will vest annually over a four-year period, commencing on the first anniversary date of the grant date.