Sec Form 4 Filing - DILLER BARRY @ IAC/INTERACTIVECORP - 2018-02-21

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 DILLER BARRY 2. Issuer Name and Ticker or Trading Symbol IAC/INTERACTIVECORP [ IAC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chairman & Senior Executive (Last) (First) (Middle) C/O IAC/INTERACTIVECORP,, 555 WEST 18TH STREET 3. Date of Earliest Transaction (MM/DD/YY) 02/21/2018 (Street) NEW YORK, NY10011 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, par value $0.001 02/21/2018 G( 1 ) V 136,711 D $ 0 0 I Held through grantor retained annuity trusts Common Stock, par value $0.001 02/21/2018 G( 1 ) V 136,711 A $ 0 136,711 I Held through Descendants Trusts

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 Class B Common Stock ( 2 ) $ 0 ( 2 ) 02/21/2018 G( 1 ) V 2,831,367 ( 2 ) ( 2 ) Common Stock, par value $0.001 2,831,367 $ 0 1,157,807 ( 3 ) I Held through grantor retained annuity trusts Class B Common Stock ( 2 ) $ 0 ( 2 ) 02/21/2018 G( 1 ) V 2,831,367 ( 2 ) ( 2 ) Common Stock, par value $0.001 2,831,367 $ 0 2,831,367 I Held through Descendants Trusts Class B Common Stock ( 2 ) $ 0 ( 2 ) ( 2 ) ( 2 ) Common Stock, par value $0.001 1,259,424 1,259,424 ( 4 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other DILLER BARRY C/O IAC/INTERACTIVECORP, 555 WEST 18TH STREET NEW YORK, NY10011 X Chairman & Senior Executive Signatures /s/ Barry Diller 02/23/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects a transfer from terminating grantor retained annuity trusts created in 2016 (the "2016 GRATs") to trusts for the benefit of the Reporting Person's family members (the "Descendants Trusts"). ( 2 )Represents shares of IAC Class B common stock that are convertible at the option of the holder on a one-for-one basis into shares of IAC common stock at any time and do not have an expiration date. Each share of IAC Class B common stock is entitled to ten votes per share and each share of IAC common stock is entitled to one vote per share. ( 3 )In February 2017, the 2016 GRATs paid Mr. Diller 1,518,849 shares of IAC Class B common stock in connection with an initial annuity payment, which Mr. Diller contributed into two new grantor retained annuity trusts created in 2017 (the "2017 GRATs"). In February 2018, (i) the 2016 GRATs paid Mr. Diller 898,382 shares of IAC Class B common stock as a final annuity payment and terminated as described in footnote (1) above and (ii) the 2017 GRATs paid Mr. Diller 361,042 shares of IAC Class B common stock as an initial annuity payment. The annuity payments from, and contributions into, the grantor retained annuity trusts were transfers exempt from reporting pursuant to Rule 16a-13. ( 4 )Reflects the final annuity payments from the two terminating 2016 GRATs as well as the initial annuity payments from the 2017 GRATs, described in footnote (3) above.

Remarks: Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended, the Reporting Person states that this filing shall not be an admission that the Reporting Person is the beneficial owner of any of the securities reported herein as indirectly held, and the Reporting Person disclaims beneficial ownership of such securities except to the extent of the Reporting Person's pecuniary interest therein.

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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