Robert J. Bujarski - 18 Nov 2021 Form 4 Insider Report for QUIDEL CORP /DE/ (QDEL)

Role: Chief Operating Officer
Signature: Robert J. Bujarski
Issuer symbol: QDEL
Transactions as of: 18 Nov 2021
Net transactions value: -$74,236
Form type: 4
Filing time: 22 Nov 2021, 18:56:15 UTC
Previous filing: 19 Oct 2021
Next filing: 19 Jan 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	QDEL	Common Stock	Award	$0	+1,033	+4.1%	$0.000000	26,357	18 Nov 2021	Direct	F1
transaction	QDEL	Common Stock	Tax liability	$74,236	-513	-1.9%	$144.71^*	25,844	18 Nov 2021	Direct	F2

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	Options Exercise	$0	-1,033	-50%	$0.000000	1,033	18 Nov 2021	Common Stock	1,033		Direct	F3, F4

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

Explanation of Responses:

Id	Content
F1	Reflects release of restricted stock units that were previously reported on a Form 4.
F2	Disposition of shares, as set forth above, was in connection with the Issuer's withholding of common shares to satisfy tax withholding obligations related to the issuance of common shares upon release of restricted stock units.
F3	Restricted stock units convert into common stock on a one-for-one basis.
F4	1,034 shares vested on the first anniversary date of the grant date, November 18, 2020. 1,033 shares vested on the second anniversary date of the grant date, November 18, 2021. 1,033 shares will vest on the third anniversary date of the grant date, November 18, 2022.