SEC Form 8-K filed by QuidelOrtho Corporation

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): June 16, 2026

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

9975 Summers Ridge Road, San Diego, California 92121

(Address of principal executive offices, including zip code)

(858) 552-1100

(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions (see General Instruction A.2. below):

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

On June 16, 2026, QuidelOrtho Corporation (the “Company”) held its 2026 Annual Meeting of Stockholders (the “Annual Meeting”). The following are the final voting results on proposals considered and voted upon at the Annual Meeting, all of which are described in the proxy statement for the Annual Meeting, as filed with the U.S. Securities and Exchange Commission on April 27, 2026.

Proposal No. 1

The Company’s stockholders elected the ten director nominees to the Company’s Board of Directors by the votes set forth in the table below:

Proposal No. 2

The Company’s stockholders approved, on an advisory basis, the compensation of the Company’s named executive officers by the votes set forth in the table below:

Proposal No. 3

The Company’s stockholders ratified the appointment of KPMG LLP as the Company’s independent registered public accounting firm for the Company’s 2026 fiscal year by the votes set forth in the table below:

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: June 16, 2026