Ownership Submission
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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
GUERTIN SHAWN M
   2. Issuer Name and Ticker or Trading Symbol
AETNA INC /PA/ [AET] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. Vice President, CFO
(Last)
(First)
(Middle)
AETNA INC., 151 FARMINGTON AVENUE		 3. Date of Earliest Transaction (Month/Day/Year)
03/11/2013
(Street)

HARTFORD, CT 06156		 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 03/11/2013   M   14,004 (1) A (2) 17,004 D  
Common Stock 03/11/2013   F   7,130 D $ 49.9 9,874 D  
Common Stock 03/11/2013   M   17,862 (3) A (4) 27,736 D  
Common Stock 03/11/2013   F   7,445 D $ 49.9 20,291 D  
Common Stock               470.4028 (5) I By 401(k) Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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
Performance Stock Units (2) 03/11/2013   M     7,002   (6)   (6) Common Stock 7,002 $ 0 0 D  
Market Stock Units (4) 03/11/2013   M     15,693   (7)   (7) Common Stock 15,693 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
GUERTIN SHAWN M
AETNA INC.
151 FARMINGTON AVENUE
HARTFORD, CT 06156		       Sr. Vice President, CFO  

Signatures

 Shawn M. Guertin by Judith H. Jones, Attorney-in-fact   03/13/2013
**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) Performance Stock Units originally granted on May 10, 2011. Units vested based on both service through March 10, 2013 and attaining the specified Company performance target.
(2) Each Performance Stock Unit represents a right to receive up to two shares of Aetna Inc. Common Stock net of taxes.
(3) Represents vesting of previously reported Market Stock Units granted under the Aetna Inc. 2010 Stock Incentive Plan.
(4) Each Market Stock Unit represents a right to receive up to 1.5 shares of Aetna Inc. Common Stock net of taxes. Vesting amount was determined based on the weighted average closing stock price for the thirty trading days prior to the vest date.
(5) Represents the pro rata portion of the stock portion of Aetna Common Stock Fund held by reporting person on February 28, 2013. The information is based on information provided by the Plan Trustee as of that date.
(6) Performance Stock Units granted under the Aetna Inc. 2010 Stock Incentive Plan.
(7) Market Stock Units granted under the Aetna Inc. 2010 Stock Incentive Plan.

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.