Sec Form 4 Filing - Sullivan L Joseph @ LOGITECH INTERNATIONAL SA - 2015-04-24

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 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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1. Name and Address of Reporting Person Sullivan L Joseph 2. Issuer Name and Ticker or Trading Symbol LOGITECH INTERNATIONAL SA [ LOGI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Sr. VP, Worldwide Operations (Last) (First) (Middle) C/O LOGITECH, INC., 7700 GATEWAY BLVD. 3. Date of Earliest Transaction (MM/DD/YY) 04/24/2015 (Street) NEWARK, CA94560 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Registered Shares 04/24/2015 M 25,000 A $ 13.48 159,896 D Registered Shares 04/24/2015 M 48,750 A $ 14.02 208,646 D Registered Shares 04/24/2015 M 112,500 A $ 7.83 321,146 D Registered Shares 04/24/2015 S 186,250 D $ 15.0459 ( 1 ) 134,896 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Stock Option (right to buy) $ 13.48 04/24/2015 M 25,000 ( 2 ) 12/12/2018 Registered Shares 25,000 $ 0 0 D Stock Option (right to buy) $ 14.02 04/24/2015 M 48,750 ( 3 ) 06/29/2019 Registered Shares 48,750 $ 0 0 D StockOption (right to buy) $ 7.83 04/24/2015 M 112,500 ( 4 ) 01/04/2023 Registered Shares 112,500 $ 0 112,500 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Sullivan L Joseph C/O LOGITECH, INC. 7700 GATEWAY BLVD. NEWARK, CA94560 Sr. VP, Worldwide Operations Signatures /s/ Jon Shanberge as attorney in fact for L. Joseph Sullivan 04/24/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects weighted average sale price. Actual sale prices ranged from $14.98 to $15.20. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. ( 2 )The option is exercisable in four equal annual installments. The first two installments became exercisable on December 12, 2009 and December 12, 2010, and the next two installments became exercisable on December 12, 2011 and December 12, 2012. ( 3 )The option is exercisable in four equal annual installments. The first installment became exercisable on June 29, 2010, and the next three installments became exercisable on June 29, 2011, June 29, 2012 and June 29, 2013. ( 4 )The option vests and becomes exercisable on January 4, 2015 or later if and only when the average closing price per share of the Company's shares on the NASDAQ Stock Market over a consecutive 90 day period meets or exceeds the following performance criteria at any point during the first four years after the date of grant: 25% vest at $11.75, 25% vest at $13.70, and 50% vest at $15.66.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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