Sec Form 4 Filing - LEE S JOON @ IXYS, LLC - 2018-01-17

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 LEE S JOON 2. Issuer Name and Ticker or Trading Symbol IXYS, LLC [ IXYS] 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) C/O IXYS CORPORATION, 1590 BUCKEYE DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 01/17/2018 (Street) MILPITAS, CA95035 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 Common Stock 01/17/2018 D( 1 ) 5,000 D 0 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) $ 9.27 01/17/2018 D( 2 ) 1,250 ( 3 ) 08/30/2023 Common Stock 1,250 ( 2 ) 0 D Stock Option (right to buy) $ 11.83 01/17/2018 D( 2 ) 2,500 ( 3 ) 08/28/2024 Common Stock 2,500 ( 2 ) 0 D Stock Option (right to buy) $ 11.14 01/17/2018 D( 2 ) 3,750 ( 3 ) 08/28/2025 Common Stock 3,750 ( 2 ) 0 D Stock Option (right to buy) $ 11.58 01/17/2018 D( 2 ) 5,000 ( 3 ) 08/26/2026 Common Stock 5,000 ( 2 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other LEE S JOON C/O IXYS CORPORATION 1590 BUCKEYE DRIVE MILPITAS, CA95035 X Signatures James R. Jones, Attorney in fact for S. Joon Lee 01/17/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Disposed of pursuant to the closing of the transactions contemplated by that certain Agreement and Plan of Merger, dated as of August 25, 2017 by and among the Issuer, Littelfuse, Inc. ("Littelfuse"), and Iron Merger Co., Inc. (as amended by Amendment No. 1, dated December 4, 2017, by and among the Issuer, Littelfuse, Iron Merger Co., Inc. and IXYS Merger Co., LLC) (the "Merger"). Each share of Issuer common stock held by the reporting person was cancelled in the Merger and converted into the right to receive, at the election of the holder and subject to proration, (i) $23.00 in cash per share, without interest and less any applicable withholding taxes or (ii) 0.1265 shares of Littelfuse common stock. ( 2 )Disposed of pursuant to the Merger. Each outstanding and unexercised option to purchase the Issuer's common stock held by the non-employee directors of the Issuer was cancelled and converted into the right to receive an amount in cash (without interest) equal to the product of (x) the excess, if any, of the product of (i) 0.1265 and (ii) $210.77, which is the closing price per share on January 17, 2018 of Littlefuse common stock as reported on the Nasdaq Global Select Market, over the exercise price per share of such option and (y) the number of shares subject to such option. ( 3 )The option is fully vested and exercisable.

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

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