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 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 *
MALONE JOHN C
   2. Issuer Name and Ticker or Trading Symbol
Liberty Broadband Corp [LBRDA] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
12300 LIBERTY BLVD.		 3. Date of Earliest Transaction (Month/Day/Year)
09/05/2017
(Street)

ENGLEWOOD, CO 80112		 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
Series C Common Stock 09/05/2017   S(1)   11,001 D $ 101.1702 (2) 3,487,778 D  
Series C Common Stock 09/05/2017   S(1)   34,999 D $ 100.8619 (3) 3,452,779 D  
Series C Common Stock               216,024 (4) I By Spouse
Series C Common Stock               218,288 I John C. Malone June 2003 Charitable Remainder Unitrust
Series C Common Stock               303,332 I Malone LG 2013 Charitable Remainder Unitrust

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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MALONE JOHN C
12300 LIBERTY BLVD.
ENGLEWOOD, CO 80112		   X   X    

Signatures

 /s/ Craig Troyer as Attorney-in-Fact for John C. Malone   09/07/2017
**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) Open market sale pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.
(2) The price is a weighted average price. These shares were sold in multiple transactions ranging from $101.12 to $101.27, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
(3) The price is a weighted average price. These shares were sold in multiple transactions ranging from $100.12 to $101.11, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
(4) The reporting person disclaims beneficial ownership of these shares owned by his spouse.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

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