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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Westend S.A.
  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)
44, RUE DE LA VALLEE
3. Date of Earliest Transaction (Month/Day/Year)
05/15/2018
(Street)

L-2661 LUXEMBOURG, N4 
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 05/15/2018   S   8,625,000 D $ 66.24 (1) 20,818,300 I See footnotes (2) (3)

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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 S.A.
44, RUE DE LA VALLEE
L-2661 LUXEMBOURG, N4 
    X    
Artal Luxembourg S. A.
44, RUE DE LA VALLEE
L-2661 LUXEMBOURG, N4 
    X    
Artal International S.C.A.
44, RUE DE LA VALLEE
L-2661 LUXEMBOURG, N4 
    X    
Artal International Management S.A.
44, RUE DE LA VALLEE
L-2661 LUXEMBOURG, N4 
    X    
Artal Group S.A.
44, RUE DE LA VALLEE
L-2661 LUXEMBOURG, N4 
    X    
Stichting Administratiekantoor Westend
IJSSELBURCHT 3
NL-6825 BS ARNHEM, P7 
    X    
Minne Pascal
44, RUE DE L'INDUSTRIE
1040 BRUSSELS, C9 
    X    

Signatures

 WESTEND S.A., By: /s/ Pascal Minne, Name: Pascal Minne, Title: Director   05/17/2018
**Signature of Reporting Person Date

 ARTAL LUXEMBOURG S.A., By: /s/ Anne Goffard, Name: Anne Goffard, Title: Managing Director   05/17/2018
**Signature of Reporting Person Date

 ARTAL INTERNATIONAL S.C.A., By: Artal International Management S.A., as its managing partner, By: /s/ Anne Goffard, Name: Anne Goffard, Title: Managing Director   05/17/2018
**Signature of Reporting Person Date

 ARTAL INTERNATIONAL MANAGEMENT S.A., By: /s/ Anne Goffard, Name: Anne Goffard, Title: Managing Director   05/17/2018
**Signature of Reporting Person Date

 ARTAL GROUP S.A., By: /s/ Anne Goffard, Name: Anne Goffard, Title: Authorized Person   05/17/2018
**Signature of Reporting Person Date

 STICHTING ADMINISTRATIEKANTOOR WESTEND, By: /s/ Pascal Minne, Name: Pascal Minne, Title: Sole Member of the Board   05/17/2018
**Signature of Reporting Person Date

 /s/ Pascal Minne   05/17/2018
**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) This amount represents the $69.00 public offering price per share of Common Stock of the Issuer, less the underwriting discount of $2.76 per share.
(2) Mr. Pascal Minne is the sole member of the Board of Stichting Administratiekantoor Westend. Stichting 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 record owner of the shares.
(3) Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

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