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 * CLARK FRANK M   2. Issuer Name and Ticker or Trading Symbol AETNA INC /PA/ [AET] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ONE MUSEUM PARK WEST, 1201 S. PRAIRIE AVENUE, UNIT 2101 3. Date of Earliest Transaction (Month/Day/Year) 05/17/2013 (Street) CHICAGO, IL 60605 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 05/20/2013   M   4,079 A (1) 8,630 D

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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

Restricted Stock Units

(1)

05/17/2013

A

2,665

(2)

(2)

Common Stock

2,665

(1)

2,665

D

Restricted Stock Units

(1)

05/20/2013

M

4,079

(3)

(3)

Common Stock

4,079

(1)

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
CLARK FRANK M ONE MUSEUM PARK WEST 1201 S. PRAIRIE AVENUE, UNIT 2101 CHICAGO, IL 60605	X

Signatures

FRANK M. CLARK, by Melinda Westbrook, Attorney-in-Fact		05/21/2013
**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)	Units convert to Common Stock on a one-for-one basis.
(2)	Restricted Stock Units granted under the Aetna Inc. 2010 Non-Employee Director Compensation Plan (the "Plan"). Subject to terms of the Plan, units will vest in four installments on August 17, 2013 (666 units), November 17, 2013 (666 units), February 17, 2014 (666 units) and May 17, 2014 (667 units), with payment of the units deferred until May 19, 2014. Upon payment date, units will be issued in Common Stock.
(3)	Restricted Stock Units granted under the Plan. Subject to terms of the Plan, units vested in four installments on August 18, 2012 (1,019 units), November 18, 2012 (1,020 units), February 18, 2013 (1,020 units) and May 18, 2013 (1,020 units), with payment of the units deferred until May 20, 2013.

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