<SEC-DOCUMENT>0000947871-25-000382.txt : 20250411
<SEC-HEADER>0000947871-25-000382.hdr.sgml : 20250411
<ACCEPTANCE-DATETIME>20250411162546
ACCESSION NUMBER:		0000947871-25-000382
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250411
DATE AS OF CHANGE:		20250411

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12215
		FILM NUMBER:		25832406

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>ss4699717_defa14a.htm
<DESCRIPTION>PROXY STATEMENT PURSUANT TO SECTION 14(A)
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 4pt; letter-spacing: -0.5pt; text-align: center"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549<BR>
<BR>
SCHEDULE 14A<BR>
<BR>
Proxy Statement Pursuant to Section 14(A) of the<BR>
Securities Exchange Act of 1934 (Amendment No. )</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt">Filed by the Registrant <FONT STYLE="font-family: Segoe UI Symbol,sans-serif">&#9746;</FONT><BR>
Filed by a Party other than the Registrant <FONT STYLE="font-family: Segoe UI Symbol,sans-serif">&#9744;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt">Check the appropriate box:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Segoe UI Symbol,sans-serif">&#9744;</FONT>&#9;Preliminary
Proxy Statement</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Segoe UI Symbol,sans-serif">&#9744;</FONT>&#9;CONFIDENTIAL,
FOR USE OF THE COMMISSION ONLY (as permitted by Rule 14a-6(e)(2))</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: MS Gothic, Helvetica, Sans-Serif">&#9744;</FONT>&#9;Definitive
Proxy Statement</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: MS Gothic, Helvetica, Sans-Serif">&#9746;</FONT>&#9;Definitive
Additional Materials</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Segoe UI Symbol,sans-serif">&#9744;</FONT>&#9;Soliciting
Material Pursuant to Section 240.14a-12</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0; letter-spacing: -0.5pt; text-align: center"><B>Quest Diagnostics Incorporated</B></P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; letter-spacing: -0.5pt; text-align: center">(Name of Registrant as Specified
in its Charter)</P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/107% Times New Roman, Times, Serif; margin: 0; text-align: center">(Name of Person(s) Filing Proxy Statement, if
Other Than the Registrant)</P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt">Payment of Filing Fee (Check the appropriate box):</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Segoe UI Symbol,sans-serif">&#9746;</FONT>&#9;No
fee required.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Segoe UI Symbol,sans-serif">&#9744;</FONT>&#9;Fee
paid previously with preliminary materials.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Segoe UI Symbol,sans-serif">&#9744;</FONT>&#9;Fee
computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><B></B></P>

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<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><B>&nbsp;</B></P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Quest Diagnostics Incorporated</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SUPPLEMENT TO PROXY STATEMENT </B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>FOR THE ANNUAL MEETING OF STOCKHOLDERS </B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>TO BE HELD ON MAY 15, 2025</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><B>Explanatory Note</B></P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt">On April 4, 2025, Quest Diagnostics Incorporated (the &ldquo;Company&rdquo;)
filed its Definitive Proxy Statement on Schedule 14A (the &ldquo;Proxy Statement&rdquo;) with the Securities and Exchange Commission and
furnished it to stockholders in connection with the solicitation of proxies by the Board of Directors for use at the 2025 Annual Meeting
of Stockholders of the Company to be held on May 15, 2025 (the &ldquo;Annual Meeting&rdquo;).</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt">The purpose of this supplement, dated April 11, 2025 (this &ldquo;Supplement&rdquo;),
is solely to correct a typographical error on page 69 of the Proxy Statement as set forth below under the heading &ldquo;Change to the
Proxy Statement.&rdquo; Other than this change, the Proxy Statement remains unchanged, and this Supplement does not otherwise modify,
amend, supplement or affect the Proxy Statement.</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt">From and after the date of this Supplement, any references to
the &ldquo;Proxy Statement&rdquo; are to the Proxy Statement as amended and supplemented by this Supplement. This Supplement should be
read in conjunction with the Proxy Statement and the other proxy materials previously distributed for the Annual Meeting.</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><B>Change to the Proxy Statement</B></P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt">The following disclosure (change marked, with new text bold
and underlined and deleted text bold and strikethrough) amends and supplements the information provided in the section entitled &ldquo;Frequently
Asked Questions&rdquo; beginning on page 69 of the Proxy Statement:</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; color: Green"><B>2.
&nbsp;How many votes can be cast by all stockholders?</B></FONT></P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; text-indent: 20pt; margin: 0 0 8pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">On
the record date, there were <B><STRIKE>11,612,391</STRIKE> <U>111,612,391</U></B> shares of our common stock outstanding, each of which
is entitled to one vote for each matter to be voted on at the Annual Meeting.</FONT></P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt"></P>

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