Tamara A. Ranalli - 31 Jan 2022 Form 4 Insider Report for QUIDEL CORP /DE/ (QDEL)

Role: SVP, Molecular Bus. Unit
Signature: Robert J. Bujarski, attorney-in-fact for Tamara A. Ranalli
Issuer symbol: QDEL
Transactions as of: 31 Jan 2022
Transactions value $: -$11,869
Form type: 4
Filing time: 02 Feb 2022, 20:58:03 UTC
Previous filing: 19 Jan 2022
Next filing: 07 Feb 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	+473	+3.2%	$0	15,154	01 Feb 2022	Direct	F1
transaction	QDEL	Common Stock	Tax liability	-$11,869	-116	-0.77%	$102.32^*	15,038	01 Feb 2022	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	Non-Qualified Stock Option	Award	$0	+4,957		$0	4,957	31 Jan 2022	Common Stock	4,957	$103.36	Direct	F3
transaction	QDEL	Restricted Stock Units	Award	$0	+4,958		$0	4,958	31 Jan 2022	Common Stock	4,958		Direct	F4, F5
transaction	QDEL	Restricted Stock Units	Award	$0	+3,386		$0	3,386	31 Jan 2022	Common Stock	3,386		Direct	F4, F6
transaction	QDEL	Restricted Stock Units	Options Exercise	$0	-473	-25%	$0	1,420	01 Feb 2022	Common Stock	473		Direct	F4, F7

* 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	1,239 shares vest on the first anniversary date of the grant date, January 31, 2023; 1,239 shares vest on the second anniversary date of the grant date, January 31, 2024; 1,239 shares vest on the third anniversary date of the grant date, January 31, 2025; and 1,240 shares vest on the fourth anniversary date of the grant date, January 31, 2026.
F4	Each restricted stock unit represents the right to receive one (1) share of Quidel Corporation common stock.
F5	1,239 shares vest on the first anniversary date of the grant date, January 31, 2023; 1,239 shares vest on the second anniversary date of the grant date, January 31, 2024; 1,240 shares vest on the third anniversary date of the grant date, January 31, 2025; and 1,240 shares vest on the fourth anniversary date of the grant date, January 31, 2026.
F6	1,693 shares vest on the second anniversary date of the grant date, January 31, 2024; 846 shares vest on the third anniversary date of the grant date, January 31, 2025; and 847 shares vest on the fourth anniversary date of the grant date, January 31, 2026.
F7	One-quarter of the shares subject to the original grant vest annually over a four-year period, commencing on the first anniversary date of the grant date.