Sec Form 4 Filing - DUNCAN RONALD A @ GCI LIBERTY, INC. - 2018-03-01

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 DUNCAN RONALD A 2. Issuer Name and Ticker or Trading Symbol GCI LIBERTY, INC. [ GNCMA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) CEO (Last) (First) (Middle) 2550 DENALI STREET, SUITE 1000 3. Date of Earliest Transaction (MM/DD/YY) 03/01/2018 (Street) ANCHORAGE, AK99503 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 Class A-1 Common Stock 03/01/2018 A( 1 ) 7,919 A $ 0 687,123 D Class A-1 Common Stock 03/01/2018 A( 2 ) 7,500 A $ 38.43 694,623 D Class A-1 Common Stock 03/01/2018 G( 3 ) 7,500 D $ 0 687,123 D Class A-1 Common Stock 03/01/2018 G( 3 ) 7,500 A $ 0 390,378 I by 560 Company Class A-1 Common Stock 37,000 I by Amanda Miller Trust ( 4 ) Class A-1 Common Stock 18,560 I by Daughter Class A-1 Common Stock 7,500 I by Neoma Lowndes Trust ( 5 ) Class A-1 Common Stock 2,909 I by 401(k) ( 6 ) Class A-1 Common Stock 63,186 I by Spouse ( 7 ) Class A-1 Common Stock 15,000 I by Missy, LLC ( 8 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other DUNCAN RONALD A 2550 DENALI STREET SUITE 1000 ANCHORAGE, AK99503 X CEO Signatures By:Bryan Fick For:Ronald A. Duncan 03/02/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )7,919 Shares granted pursuant to a restricted stock award agreement. The related unvested shares will vest on November 30, 2019. ( 2 )Pursuant to the GCI Liberty, Inc. Director Compensation Plan, a grant of 7,500 shares of the issuers Class A-1 common stock was made on March 1, 2018, effective and vesting as of that date. ( 3 )Shares transferred from direct ownership by Mr. Duncan to indirect beneficial ownership by 560 Company. ( 4 )Mr. Duncan's daughter is the beneficiary of this trust. Mr. Duncan has no voting or investment power with respect to the trust and disclaims beneficial ownership of these shares. ( 5 )Mr. Duncan's daughter is the 50% beneficiary of this trust, and Mr. Duncan disclaims beneficial ownership of these shares. ( 6 )Shares allocated to Mr. Duncan under the Company's 401(k) Plan as of March 1, 2018. ( 7 )Mr. Duncan disclaims beneficial ownership of these shares. ( 8 )Mr. Duncan has a 25% ownership interest in Missy, LLC, and claims beneficial ownership of 5,000 of these shares held by Missy, LLC. His spouse has a 25% ownership interest in Missy, LLC, and Mr. Duncan disclaims beneficial ownership of the 5,000 shares held indirectly by his spouse. The Neoma Lowndes Trust holds the remaining 50% interest in Missy, LLC. Mr. Duncan's daughter is the 50% beneficiary of this trust, and Mr. Duncan disclaims beneficial ownership of the 5,000 shares held indirectly by his daughter.

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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