Sec Form 4 Filing - Jin Lei @ MULTI FINELINE ELECTRONIX INC - 2015-09-30

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 Jin Lei 2. Issuer Name and Ticker or Trading Symbol MULTI FINELINE ELECTRONIX INC [ MFLX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP & MD China Operations (Last) (First) (Middle) 8659 RESEARCH DR. 3. Date of Earliest Transaction (MM/DD/YY) 09/30/2015 (Street) IRVINE, CA92618 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 09/30/2015 M 8,901 A $ 0 ( 1 ) 53,991 D Common Stock 09/30/2015 F 4,236 D $ 16.7 49,755 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 Restricted Stock Unit ( 2 ) ( 2 ) 09/30/2015 M 8,901 ( 3 ) ( 3 ) Common Stock 8,901 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Jin Lei 8659 RESEARCH DR. IRVINE, CA92618 EVP & MD China Operations Signatures /s/ Christine Besnard, Attorney-in-Fact for Lei Jin 10/01/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Acquired pursuant to the vesting of performance-based restricted stock units ("RSUs"), with no exercise price, granted on December 18, 2012, which converted to time-based RSUs pursuant to the Change of Control reported by the Issuer on Form 8-K on May 30, 2013. ( 2 )Each RSU represents a contingent right to receive one share of MFLX common stock or the cash equivalent based on the date of vesting. ( 3 )RSUs vested on September 30, 2015.

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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