# EDGAR Filing Document

**Accession Number:** 0001022079
**File Stem:** 0001022079-26-000052
**Filing Date:** 2026-5
**Character Count:** 7469
**Document Hash:** a3cd92da9f7362ac2072bd03674b49f8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001022079-26-000052.hdr.sgml**: 20260521

**ACCESSION NUMBER**: 0001022079-26-000052

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260520

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

**FILED AS OF DATE**: 20260521

**DATE AS OF CHANGE**: 20260521

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** QUEST DIAGNOSTICS INC
- **CENTRAL INDEX KEY:** 0001022079
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MEDICAL LABORATORIES [8071]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 161387862
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-12215
- **FILM NUMBER:** 261009371

**BUSINESS ADDRESS:**
- **STREET 1:** 500 PLAZA DRIVE
- **CITY:** SECAUCUS
- **STATE:** NJ
- **ZIP:** 07094
- **BUSINESS PHONE:** 9735202700

**MAIL ADDRESS:**
- **STREET 1:** 500 PLAZA DRIVE
- **CITY:** SECAUCUS
- **STATE:** NJ
- **ZIP:** 07094

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CORNING CLINICAL LABORATORIES INC
- **DATE OF NAME CHANGE:** 19960903

?xml version='1.0' encoding='ASCII'? dgx-20260520

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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)**: May 20, 2026** 

**Quest Diagnostics Incorporated**

(Exact Name of Registrant as Specified in Its Charter)

**Delaware** 

(State or other jurisdiction of incorporation)

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| | | | | |
|:---|:---|:---|:---|:---|
| **001-12215** | **001-12215** | | | **16-1387862** |
| (Commission File Number) | (Commission File Number) |  |  | (I.R.S. Employer Identification No.) |
| **500 Plaza Drive** | **500 Plaza Drive** |  |  |  |
| **Secaucus,** | **NJ** |  |  | **07094** |
| (Address of principal executive offices) | (Address of principal executive offices) |  |  | (Zip Code) |
|  |  | **(973)** | **520-2700** |  |
| (Registrant's telephone number, including area code) | (Registrant's telephone number, including area code) | (Registrant's telephone number, including area code) | (Registrant's telephone number, including area code) | (Registrant's telephone number, including area code) |

---

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 Symbol(s) | Name of each exchange on which registered |
| Common Stock, $0.01 Par Value | DGX | New York Stock Exchange |

---

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).

&nbsp;&nbsp;&nbsp;&nbsp;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**

(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The following is a summary of the voting results for each matter presented to the stockholders at the 2026 Annual Meeting of Stockholders which was held on May 20, 2026.

(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The following nominees for the office of director were elected for terms expiring at the 2027 Annual Meeting of Stockholders, by the following votes:

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| | | | | |
|:---|:---|:---|:---|:---|
| | **<u>FOR</u>** | **<u>AGAINST</u>** | **<u>ABSTAIN</u>** | **<u>NON-VOTES</u>** |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Robert B. Carter | 93821069 | 205166 | 173510 | 9135906 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;James E. Davis | 88799800 | 5237756 | 162189 | 9135906 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Luis A. Diaz, Jr., M.D. | 93909369 | 110114 | 180262 | 9135906 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tracey C. Doi | 93649938 | 393268 | 156539 | 9135906 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Vicky B. Gregg | 83814387 | 10232574 | 152784 | 9135906 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Wright L. Lassiter, III | 93802306 | 223154 | 174285 | 9135906 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Timothy L. Main | 88302767 | 5614920 | 282058 | 9135906 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Denise M. Morrison | 89808461 | 4176407 | 214877 | 9135906 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gary M. Pfeiffer | 86302153 | 7716970 | 180622 | 9135906 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Timothy M. Ring | 81917543 | 11994424 | 287778 | 9135906 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Timothy C. Wentworth | 93427490 | 597095 | 175160 | 9135906 |

---

The advisory resolution to approve the executive officer compensation disclosed in the Company's 2026 Proxy Statement was approved by the following votes:

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| | | | |
|:---|:---|:---|:---|
| **<u>FOR</u>** | **<u>AGAINST</u>** | **<u>ABSTAIN</u>** | **<u>NON-VOTES</u>** |
| 86,869,738 | 7,152,448 | 177,559 | 9,135,906 |

---

The ratification of the appointment of PricewaterhouseCoopers as the Company's independent registered public accounting firm for 2026 was approved by the following votes:

---

| | | |
|:---|:---|:---|
| **<u>FOR</u>** | **<u>AGAINST</u>** | **<u>ABSTAIN</u>** |
| 97,340,034 | 5,809,995 | 185,622 |

---

The stockholder proposal regarding an independent board chairman was not approved by the following votes:

---

| | | | |
|:---|:---|:---|:---|
| **FOR** | **AGAINST** | **ABSTAIN** | **NON-VOTES** |
| 23,999,636 | 69,792,819 | 407,290 | 9,135,906 |

---

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**Signature**

&nbsp;&nbsp;&nbsp;&nbsp;

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.

May 21, 2026

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| | |
|:---|:---|
| QUEST DIAGNOSTICS INCORPORATED | QUEST DIAGNOSTICS INCORPORATED |
| By: | /s/ Sean D. Mersten |
|  | Sean D. Mersten |
|  | Vice President and Corporate Secretary |

---