Sec Form 4 Filing - DOYLE WILLIAM F @ Novocure Ltd - 2017-02-28

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 X __ 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) 02/28/2017 (Street) MALVERN, PA19355 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (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 Ordinary Shares 02/28/2017 M 686,836 A $ 3.59 19,822,874 ( 4 ) I WFD Ventures Fund II, L.P. ( 1 ) Ordinary Shares 02/28/2017 F( 2 ) 324,440 D $ 7.6 19,498,434 I WFD Ventures Fund II, L.P. ( 1 ) Ordinary Shares 02/28/2017 M 525,618 A $ 3.59 20,024,052 I WFD Ventures Fund II, L.P. ( 1 ) Ordinary Shares 02/28/2017 F( 3 ) 248,285 D $ 7.6 19,775,767 I WFD Ventures Fund II, L.P. ( 1 ) Ordinary Shares 84,699 ( 5 ) 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 Dispose d 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 Warrants $ 3.59 02/28/2017 M 686,836 ( 6 ) 07/31/2017 Ordinary Shares 686,836 $ 0 0 I WFD Ventures Fund II, L.P. ( 1 ) Warrants $ 3.59 02/28/2017 M 525,618 ( 6 ) 07/21/2018 Ordinary Shares 525,618 $ 0 0 I WFD Ventures Fund II, L.P. ( 1 ) Warrants $ 3.59 ( 6 ) 07/31/2017 Ordinary Shares 6,498 6,498 D Warrants $ 3.59 ( 6 ) 07/21/2018 Ordinary Shares 3,879 3,879 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 X Executive Chairman WFD Ventures Fund II, L.P. C/O NOVOCURE INC., 20 VALLEY STREAM PKWY SUITE 300 MALVERN, PA19355 X Director by Deputization Signatures By: /s/ William F. Doyle 03/02/2017 Signature of Reporting Person Date WFD Ventures Fund II, L.P., By: WFD-GP II, LLC, its general partner, By: WFD Ventures LLC, sole member of WFD-GP II LLC, By: /s/ William F.Doyle, Title: Managing Director 03/02/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Mr. Doyle is a managing director of WFD Ventures LLC, the sole member of WFD-GP II, LLC, which is the general partner of WFD Ventures Fund II, L.P. Mr. Doyle disclaims beneficial ownership of the reported shares except to the extent of his pecuniary interest. ( 2 )Reflects 324,440 ordinary shares withheld by the issuer at the market price of $7.60 per share less an exercise price of $3.59 per share in connection with the cashless exercise of 362,396 warrants to purchase ordinary shares owned by WFD Ventures Fund II, L.P. ( 3 )Reflects 248,285 ordinary shares withheld by the issuer at the market price of $7.60 per share less an exercise price of $3.59 per share in connection with the cashless exercise of 277,333 warrants to purchase ordinary shares owned by WFD Ventures Fund II, L.P. ( 4 )The Amendment filed on Form 4/A on February 21, 2017 incorrectly reflected the total number of ordinary shares beneficially owned by WFD Ventures Fund II, L.P. WFD Ventures Fund II, L.P. beneficially owned 19,136,038 ordinary shares following the transactions reported by the aforementioned Form 4/A. ( 5 )The Amendment filed on Form 4/A on February 21, 2017 incorrectly reflected the total number of ordinary shares beneficially owned by William F. Doyle. William F. Doyle beneficially owned 84,699 ordinary shares following the transactions reported by the aforementioned Form 4/A. ( 6 )Currently exercisable as of the date hereof.

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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