Brian J. Blaser - 30 Jan 2026 Form 4 Insider Report for QuidelOrtho Corp (QDEL)

Role: President and CEO
Signature: /s/ Jennifer Ahn, attorney-in-fact for Brian J. Blaser
Issuer symbol: QDEL
Transactions as of: 30 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 03 Feb 2026, 19:48:39 UTC
Previous filing: 02 Feb 2026
Next filing: 13 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Blaser Brian J.	President and CEO	9975 SUMMERS RIDGE ROAD, SAN DIEGO	/s/ Jennifer Ahn, attorney-in-fact for Brian J. Blaser	03 Feb 2026	0001492289

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	+213,470		$0.000000	213,470	30 Jan 2026	Common Stock	213,470		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock.
F2	71,156 shares will vest on January 30, 2027; the remaining 142,314 shares will vest in equal installments on January 30, 2028 and January 30, 2029.