Sec Form 4 Filing - Wendling Brian J @ GRIZZLY MERGER SUB 1, LLC - 2020-12-18

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 Wendling Brian J 2. Issuer Name and Ticker or Trading Symbol GRIZZLY MERGER SUB 1, LLC [ GLIBA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) CAO/PFO (Last) (First) (Middle) 12300 LIBERTY BOULEVARD 3. Date of Earliest Transaction (MM/DD/YY) 12/18/2020 (Street) ENGLEWOOD, CO80112 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 Series A Common Stock 12/18/2020 D 14,821 D $ 0 ( 1 ) 0 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 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 Stock Option (Right to Buy) - GLIBA $ 39.17 12/18/2020 D 6,973 ( 2 ) 05/12/2022 Series A Common Stock 6,973 $ 0 ( 3 ) 0 D Stock Option (Right to Buy) - GLIBA $ 39.17 12/18/2020 D 16,602 ( 4 ) 05/12/2023 Series A Common Stock 16,602 $ 0 ( 3 ) 0 D Stock Option (Right to Buy) - GLIBA $ 95.57 12/18/2020 D 17,248 ( 5 ) 12/07/2027 Series A Common Stock 17,248 $ 0 ( 3 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Wendling Brian J 12300 LIBERTY BOULEVARD ENGLEWOOD, CO80112 CAO/PFO Signatures /s/ Craig Troyer as Attorney-in-Fact for Brian J. Wendling 12/22/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Pursuant to the terms of the Merger Agreement (as defined in the Remarks section), each share of the Issuer's Series A common stock was converted into the right to receive 0.580 of a share of Parent's (as defined in the Remarks section) Series C common stock. ( 2 )The derivative security is fully vested. ( 3 )Pursuant to the terms of the Merger Agreement, each outstanding stock option to purchase shares of the Issuer's Series A common stock (an "original Series A stock option") was converted into 0.580 of a corresponding stock option to purchase shares of Parent's Series C common stock, rounded down to the nearest whole share. The exercise price of the original Series A stock option was divided by 0.580, with the resulting exercise price rounded up to the nearest cent. The stock options with respect to Parent's Series C common stock are subject to the same vesting, terms, restrictions and other conditions as those applicable to the corresponding original Series A stock option. ( 4 )The derivative security was granted on May 12, 2015, vesting 50% on December 31, 2019 and 50% on December 31, 2020. ( 5 )The derivative security vests in two equal installments on December 7, 2022 and December 7, 2023.

Remarks: Pursuant to the Agreement and Plan of Merger, dated August 6, 2020 (the "Merger Agreement"), by and among the Issuer, Liberty Broadband Corporation ("Parent"), Grizzly Merger Sub 1, LLC, a Delaware limited liability company and a wholly owned subsidiary of Parent ("Merger LLC"), and Grizzly Merger Sub 2, Inc., a Delaware corporation and a wholly owned subsidiary of Merger LLC ("Merger Sub"), on December 18, 2020, Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Merger LLC, and immediately following the Merger, the Issuer (as the surviving corporation in the Merger) merged with and into Merger LLC (the "Upstream Merger"), with Merger LLC surviving the Upstream Merger as a wholly owned subsidiary of Parent.

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