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 * WESTEND SA   2. Issuer Name and Ticker or Trading Symbol WEIGHT WATCHERS INTERNATIONAL INC [WTW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 105 GRAND-RUE,  3. Date of Earliest Transaction (Month/Day/Year) 05/26/2011 (Street) LUXEMBOURG, N4 L-1661 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ 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, no par value per share 05/26/2011   S   3,000,000 D $ 83.66 38,247,893 I By Artal Holdings Sp. z o.o., Succursale de Luxembourg (1)

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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
WESTEND SA 105 GRAND-RUE LUXEMBOURG, N4 L-1661		X
Stichting Administratiekantoor Westend IJSSELBURCHT 3 6825BS ARNHEM, P7		X
Minne Pascal PLACE STE. GUDULE, 19 B-1000 BRUXELLES, C9		X
Artal Holdings Sp. z o.o., Succursale de Luxembourg 105 GRAND-RUE LUXEMBOURG, N4 L-1661		X
ARTAL LUXEMBOURG S A 105 GRAND-RUE LUXEMBOURG, N4 L-1661		X
ARTAL INTERNATIONAL SCA 105 GRAND-RUE LUXEMBOURG, N4 L-1661		X
Artal International Management S.A. 105 GRAND-RUE LUXEMBOURG, N4 L-1661		X
ARTAL GROUP S A 105 GRAND-RUE LUXEMBOURG, N4 L-1661		X

Signatures

/s/ Pascal Minne, Director, on behalf of Westend S.A.		05/31/2011
**Signature of Reporting Person		Date
/s/ Pascal Minne, Sole Member of the Board, on behalf of Stichting Administratiekantoor Westend		05/31/2011
**Signature of Reporting Person		Date
/s/ Pascal Minne		05/31/2011
**Signature of Reporting Person		Date
/s/ Andrey Le Pit, Branch Manager, on behalf of Artal Holdings Sp. z o.o., Succursale de Luxembourg		05/31/2011
**Signature of Reporting Person		Date
/s/ Anne Goffard, Managing Director, on behalf of Artal Luxembourg S.A.		05/31/2011
**Signature of Reporting Person		Date
/s/ Anne Goffard, Managing Director of Artal International Management S.A., the Managing Partner of Artal International S.C.A., on behalf of Artal International S.C.A.		05/31/2011
**Signature of Reporting Person		Date
/s/ Anne Goffard, Managing Director, on behalf of Artal International Management S.A.		05/31/2011
**Signature of Reporting Person		Date
/s/ Pascal Minne, Director, on behalf of Artal Group S.A.		05/31/2011
**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)	Mr. Pascal Minne is the sole member of the Board of Stitching Administratiekantoor Westend. Stitching Administratiekantoor Westend is the parent of Westend S.A. Westend S.A., is the parent company of Artal Group S.A. Artal Group S.A. is the parent company of Artal International Management S.A., which is the managing partner of Artal International S.C.A. Artal International S.C.A. is the parent company of Artal Luxembourg S.A. Artal Luxembourg S.A. is the parent company of Artal Holdings Sp. z o.o., Succursale de Luxembourg ("Artal Holdings"). Artal Holdings is the record owner of the shares. Artal Luxembourg S.A. holds an irrevocable proxy with the respect to 15,000,000 of these shares.

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