Robert J. Bujarski - Sep 14, 2021 Form 4 Insider Report for QUIDEL CORP /DE/ (QDEL)

Role: Chief Operating Officer
Signature: Robert J. Bujarski
Stock symbol: QDEL
Transactions as of: Sep 14, 2021
Transactions value $: -$22,831
Form type: 4
Date filed: 9/16/2021, 08:04 PM
Next filing: Oct 19, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	QDEL	Common Stock	Award	$0	+313	+1.24%	$0.00	25.5K	Sep 14, 2021	Direct	F1
transaction	QDEL	Common Stock	Tax liability	-$22.8K	-156	-0.61%	$146.35^*	25.3K	Sep 14, 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	-313	-24.96%	$0.00	941	Sep 14, 2021	Common Stock	313		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	313 shares vested on September 14, 2021; 313 shares will will vest on the second anniversary date of the grant date, September 14, 2022; 314 shares will vest on the third anniversary date of the grant date, September 14, 2023; and 314 shares will vest on the fourth anniversary date of the grant date, September 14, 2024.