Sec Form 4 Filing - DOYLE WILLIAM F @ Novocure Ltd - 2017-05-02

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 DOYLE WILLIAM F 2. Issuer Name and Ticker or Trading Symbol Novocure Ltd [ NVCR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Executive Chairman (Last) (First) (Middle) C/O NOVOCURE INC., 20 VALLEY STREAM PKWY, SUITE 300 3. Date of Earliest Transaction (MM/DD/YY) 05/02/2017 (Street) MALVERN, PA19355 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

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 Options to Buy Ordinary Shares $ 11.85 05/02/2017 A 881,519 ( 1 ) 05/02/2027 Ordinary shares 881,519 $ 0 881,519 D Options to Buy Ordinary Shares $ 11.85 05/02/2017 A 881,519 ( 2 ) 05/02/2027 Ordinary shares 881,519 $ 0 881,519 D Restricted Stock Unit ( 3 ) 05/02/2017 A 881,519 ( 4 ) ( 4 ) Ordinary shares 881,519 $ 0 881,519 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other DOYLE WILLIAM F C/O NOVOCURE INC. 20 VALLEY STREAM PKWY, SUITE 300 MALVERN, PA19355 X Executive Chairman Signatures By: /s/ Todd Longsworth Attorney in fact for William F. Doyle 05/04/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Options to buy 881,519 ordinary shares will fully vest and become exercisable on May 2, 2020 if (i) the closing price of the Company's ordinary shares is at least $14.81 for a period of at least twenty (20) consecutive trading days at any time between May 2, 2017 and May 2, 2020 and (ii) Mr. Doyle has been continuously employed by the Company through May 2, 2020. ( 2 )Options to buy 881,519 ordinary shares will fully vest and become exercisable on May 2, 2022 if (i) the closing price of the Company's ordinary shares is at least $22.50 for a period of at least twenty (20) consecutive trading days at any time between May 2, 2017 and May 2, 2022 and (ii) Mr. Doyle has been continuously employed by the Company through May 2, 2022. ( 3 )Each restricted stock unit represents the right to receive, at settlement, one (1) ordinary share. ( 4 )One-third of these restricted stock units are scheduled to vest on each of May 2, 2018, May 2, 2019, and May 2, 2020, subject to Mr. Doyle's continued employment through such dates.

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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