# EDGAR Filing Document

**Accession Number:** 0001906324
**File Stem:** 0001193125-26-272707
**Filing Date:** 2026-6
**Character Count:** 5981
**Document Hash:** 06f75da6d90c13ac9e04234c2431940c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-272707.hdr.sgml**: 20260616

**ACCESSION NUMBER**: 0001193125-26-272707

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260616

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20260616

**DATE AS OF CHANGE**: 20260616

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** QuidelOrtho Corp
- **CENTRAL INDEX KEY:** 0001906324
- **STANDARD INDUSTRIAL CLASSIFICATION:** IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 874496285
- **FISCAL YEAR END:** 0101

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41409
- **FILM NUMBER:** 261095090

**BUSINESS ADDRESS:**
- **STREET 1:** 9975 SUMMERS RIDGE ROAD
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** (858) 552-1100

**MAIL ADDRESS:**
- **STREET 1:** 9975 SUMMERS RIDGE ROAD
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Coronado Topco, Inc.
- **DATE OF NAME CHANGE:** 20220124

?xml version='1.0' encoding='ASCII'? 8-K

### 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)

---

| | | |
|:---|:---|:---|
| **Delaware** | **001-41409** | **87-4496285** |
| **(State or other jurisdiction**<br> **of incorporation)** | **(Commission**<br> **File Number)** | **(IRS Employer**<br> **Identification No.)** |

---

#### 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 (<u>see</u> General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

---

| | | |
|:---|:---|:---|
| **Title of each class** | **Trading<br>Symbol(s)** | **Name of each exchange<br>on which registered** |
| Common Stock, $0.001 Par Value | QDEL | The Nasdaq Stock Market |

---

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. ☐

------

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| | |
|:---|:---|
| **Item 5.07** | **Submission of Matters to a Vote of Security Holders.**  |

---

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:

---

| | | | |
|:---|:---|:---|:---|
| **Name** | **Votes For** | **Votes Withheld** | **Broker Non-Votes** |
|  Brian J. Blaser | 56664418 | 560787 | 7088721 |
|  Kenneth F. Buechler, Ph.D. | 56008344 | 1216861 | 7088721 |
|  John R. Chiminski | 56788541 | 436664 | 7088721 |
|  Evelyn S. Dilsaver | 56676148 | 549057 | 7088721 |
| R. Scott Huennekens | 56634433 | 590772 | 7088721 |
|  Edward L. Michael | 56585483 | 639722 | 7088721 |
|  Mary Lake Polan, M.D., Ph.D., M.P.H. | 56148684 | 1076521 | 7088721 |
|  Ann D. Rhoads | 56741863 | 483342 | 7088721 |
|  Kenneth J. Widder, M.D. | 56078638 | 1146567 | 7088721 |
|  Joseph D. Wilkins Jr. | 56587197 | 638008 | 7088721 |

---

#### 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:

---

| | | | |
|:---|:---|:---|:---|
| **Votes For** | **Votes Against** | **Abstentions** | **Broker Non-Votes** |
| 55716067 | 1486910 | 22228 | 7088721 |

---

#### 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:

---

| | | |
|:---|:---|:---|
| **Votes For** | **Votes Against** | **Abstentions** |
| 64197113 | 97367 | 19446 |

---

------

#### 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

---

| | |
|:---|:---|
| **QUIDELORTHO CORPORATION** | **QUIDELORTHO CORPORATION** |
| By: | /s/ Nathaniel B. Sisitsky |
| Name: | Nathaniel B. Sisitsky |
| Its: | Chief Legal Officer and Corporate Secretary |

---