Joseph M. Busky - 13 Feb 2026 Form 4/A - Amendment Insider Report for QuidelOrtho Corp (QDEL)

Role: Chief Financial Officer
Signature: /s/ Phillip S. Askim, attorney-in-fact for Joseph M. Busky
Issuer symbol: QDEL
Transactions as of: 13 Feb 2026
Net transactions value: +$79,742
Form type: 4/A - Amendment
Filing time: 19 Feb 2026, 16:18:05 UTC
Date Of Original Report: 13 Feb 2026
Previous filing: 10 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Busky Joseph M.	Chief Financial Officer	9975 SUMMERS RIDGE ROAD, SAN DIEGO	/s/ Phillip S. Askim, attorney-in-fact for Joseph M. Busky	19 Feb 2026	0001385091

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	QDEL	Common Stock	Purchase	$79,742	+3,370	+49%	$23.66	10,290	13 Feb 2026	By Trust	F1
holding	QDEL	Common Stock						41,412	13 Feb 2026	Direct

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

Explanation of Responses:

Id	Content
F1	The Form 4 originally filed on February 13, 2026 is being amended to report the correct pricing of the shares purchased by the Reporting Person. The weighted average purchase price of these transactions was $23.6623 per share, with a range of $23.0150 to $23.6750 per share. Upon request, the Reporting Person hereby undertakes to provide to staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder, the full information regarding the number of shares purchased at each separate price.

Content

The Form 4 originally filed on February 13, 2026 is being amended to report the correct pricing of the shares purchased by the Reporting Person. The weighted average purchase price of these transactions was $23.6623 per share, with a range of $23.0150 to $23.6750 per share. Upon request, the Reporting Person hereby undertakes to provide to staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder, the full information regarding the number of shares purchased at each separate price.