XNYS:DGX Quest Diagnostics Inc Insider Activity 4 Filing - 2/29/2012

Effective Date 2/29/2012

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FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
BONGIORNO THOMAS F
  2. Issuer Name and Ticker or Trading Symbol
QUEST DIAGNOSTICS INC [DGX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP and Corporate Controller
(Last)
(First)
(Middle)
C/O QUEST DIAGNOSTICS INCORPORATED, 3 GIRALDA FARMS
3. Date of Earliest Transaction (Month/Day/Year)
02/29/2012
(Street)

MADISON, NJ 07940
4. If Amendment, Date Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 02/29/2012   A   3,775(1) A $ 0 19,784 D  
Common Stock 02/29/2012   F   1,373(2) D $58.24 18,411(3) D  
Common Stock               2,997(4) I 401k
Common Stock               2,200 I By Ira

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BONGIORNO THOMAS F
C/O QUEST DIAGNOSTICS INCORPORATED
3 GIRALDA FARMS
MADISON, NJ 07940
      VP and Corporate Controller  

Signatures

 /s/ William J. O'Shaughnessy, Jr., Attorney in Fact for Thomas F. Bongiorno   03/02/2012
** Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Stock issued by Quest Diagnostics Incorporated in settlement of a performance share award dated February 11, 2009, approved in accordance with the requirements of Rule 16b-3(d).
(2) Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the settlement of said performance share award.
(3) The amount includes exempt purchases made under the Company's stock purchase plan.
(4) These underlying shares were acquired on a periodic basis by the trustee of the Company's Profit Sharing (401(k) Plan. The number of shares is based on the account balance of the Company stock fund under the Plan (which includes some money market instruments), divided by the current market price of the Company's stock.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.

XNYS:DGX Quest Diagnostics Inc Insider Activity 4 Filling

Quest Diagnostics Inc XNYS:DGX Stock - Get Insider Activity SEC Filing of Quest Diagnostics Inc XNYS:DGX stocks, including company profile, shares outstanding, strategy, business segments, operations, officers, consolidated financial statements, financial notes and ownership information.

XNYS:DGX Quest Diagnostics Inc Insider Activity 4 Filing - 2/29/2012
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