Sec Form 4 Filing - TAN LIP BU @ QUANTENNA COMMUNICATIONS INC - 2017-06-09

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 TAN LIP BU 2. Issuer Name and Ticker or Trading Symbol QUANTENNA COMMUNICATIONS INC [ QTNA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O QUANTENNA COMMUNICATIONS, INC., 3450 W. WARREN AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 06/09/2017 (Street) FREMONT, CA94538 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 Common Stock 06/09/2017 A 7,127 ( 1 ) A $ 0 7,127 D Common Stock 274,070 I See footnote ( 2 ) Common Stock 274,071 I See footnote ( 3 ) Common Stock 10,000 I By trust ( 4 )

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 TAN LIP BU C/O QUANTENNA COMMUNICATIONS, INC. 3450 W. WARREN AVENUE FREMONT, CA94538 X Signatures /s/ Tom MacMitchell, as Attorney-in-Fact 06/13/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each share is represented by a Restricted Stock Unit ("RSU"). 100% of the RSUs will vest upon the earlier of the one (1) year anniversary of the grant date or the day prior to the Company's next Annual Meeting occurring after the grant date, in each case, subject to the Reporting Person's continued service as of the applicable vesting date. ( 2 )Shares held by China Walden Venture Investments II, L.P. ("CWVI II"). The general partner of CWVI II is China Walden Venture Investment II G.P., Ltd. ("CWVI II GP"). Lip-Bu Tan and Hing Wong are members of the investment committee of CWVI II GP and share voting and investment power with respect to the shares held by CWVI II. ( 3 )Shares held by WRV II, L.P. ("WRV II"). The general partner for WRV II is WRV GP II, LLC ("WRV II GP"). Lip-Bu Tan, Michael Marks, and Nicholas Braithwaite are members of the investment committee of WRV II GP and share voting and investment power with respect to the shares held by WRV II. ( 4 )Shares held by Lip-Bu Tan and Ysa Loo, TTEES, FBO Lip-Bu Tan and Ysa Loo Trust DTD 2/3/1992.

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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