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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1. Name and Address of Reporting Person * Gustafson David R   2. Issuer Name and Ticker or Trading Symbol Mattersight Corp [MATR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP & COO (Last) (First) (Middle) 200 W. MADISON, SUITE 3100 3. Date of Earliest Transaction (Month/Day/Year) 08/20/2018 (Street) CHICAGO, IL 60606 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 08/20/2018   U   405,332 D (1) 0 D   Common Stock 08/20/2018   U   135,366 (2) D (2) 0 D

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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

Stock Option (right to buy)

$ 5.79

08/20/2018

D

25,000 (3)

02/27/2012

02/27/2022

Common Stock

25,000

$ 0

0

D

Stock Option (right to buy)

$ 4.69

08/20/2018

D

30,000 (3)

03/15/2013

03/15/2023

Common Stock

30,000

$ 0

0

D

Stock Option (right to buy)

$ 4.1

08/20/2018

D

30,000 (3)

11/06/2013

11/06/2023

Common Stock

30,000

$ 0

0

D

Stock Option (right to buy)

$ 6.38

08/20/2018

D

28,125 (3)

04/21/2014

04/21/2024

Common Stock

28,125

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Gustafson David R 200 W. MADISON, SUITE 3100 CHICAGO, IL 60606			EVP & COO

Signatures

/s/ Corrine N. Taylor, Attorney-in-fact		08/20/2018
**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)	Per the terms of the Agreement and Plan of Merger, dated 4/25/18, among the Issuer, NICE Systems, Inc., NICE Acquisition Sub, Inc., and NICE Ltd. (the "Agreement") and the Offer (as defined in the Agreement), each share of the Issuer's common stock was tendered for $2.70 per share in cash, without interest and less any required withholding taxes.
(2)	Per the terms of the Agreement, specified shares of the Issuer's common stock subject to restricted stock award agreements with the Issuer were automatically converted into restricted American depository shares of Nice Ltd.
(3)	Disposed of per Section 2.7(e) of the Agreement, whereby each option with an exercise price greater than $2.70 per share that was outstanding immediately prior to the Offer Closing (as defined in the Agreement) was cancelled without consideration.

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