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 OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * KAUFMAN VICTOR   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) Vice Chairman (Last) (First) (Middle) C/O IAC/INTERACTIVECORP, 555 WEST 18TH STREET 3. Date of Earliest Transaction (Month/Day/Year) 12/29/2017 (Street) NEW YORK, NY 10011 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 (1) 12/29/2017   M(1)   6,316 A $ 0 169,041 D   Common Stock, par value $0.001 (2) 12/29/2017   F(2)   3,298 D $ 123.25 165,743 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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 Units (3)

$ 0

12/29/2017

M

1,892

02/11/2016(3)

12/29/2017(3)

Common Stock, par value $0.001

1,892

$ 0

0

D

Restricted Stock Units (4)

$ 0

12/29/2017

M

2,890

02/10/2017(4)

02/10/2019(4)

Common Stock, par value $0.001

2,890

$ 0

2,891

D

Restricted Stock Units (5)

$ 0

12/29/2017

M

1,534

12/29/2017(5)

02/14/2020(5)

Common Stock, par value $0.001

1,534

$ 0

3,071

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
KAUFMAN VICTOR C/O IAC/INTERACTIVECORP 555 WEST 18TH STREET NEW YORK, NY 10011	X		Vice Chairman

Signatures

Joanne Hawkins as Attorney-in-Fact for Victor Kaufman		01/03/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents shares of IAC common stock acquired upon the vesting of restricted stock units (see footnotes 3, 4 and 5 below).
(2)	Represents shares of IAC common stock withheld to cover the payment of taxes due in connection with the vesting of restricted stock units (see footnotes 3, 4 and 5 below).
(3)	Represents restricted stock units that would have otherwise vested on February 11, 2018, subject to continued service.
(4)	Represents 2,890 restricted stock units that would have otherwise vested on February 10, 2018 and 2,891 restricted stock units that vest on February 10, 2019, in each case, subject to continued service.
(5)	Represents 1,534 restricted stock units that would have otherwise vested on February 14, 2018 and 3,071 restricted stock units that vest in two equal installments on February 14, 2019 and 2020, in all cases, subject to continued service.

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