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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Carroll David William 		2. Issuer Name and Ticker or Trading Symbol

QUANTENNA COMMUNICATIONS INC [ QTNA ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
SVP Worldwide Sales
(Last)          (First)          (Middle)

C/O QUANTENNA COMMUNICATIONS, INC., 1704 AUTOMATION PARKWAY 		3. Date of Earliest Transaction (MM/DD/YYYY)

4/12/2018
(Street)

SAN JOSE, CA 95131
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   4/12/2018     M    3337   A $1.50   41612   D    
Common Stock   4/12/2018     M    260   A $2.00   41872   D    
Common Stock   4/12/2018     M    269   A $3.00   42141   D    
Common Stock   4/12/2018     S (1)    3866   D $14.00   38275   D    
Common Stock                  500   I   By Child of Reporting Person  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Employee Stock Option (right to buy)   $1.50   4/12/2018     M         3337      (2) 2/5/2023   Common Stock   3337   $0.00   112862   D    
Employee Stock Option (right to buy)   $2.00   4/12/2018     M         260      (3) 12/10/2024   Common Stock   260   $0.00   4782   D    
Employee Stock Option (right to buy)   $3.00   4/12/2018     M         269      (4) 12/3/2025   Common Stock   269   $0.00   6328   D    

Explanation of Responses:
(1)  The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 automatic trading plan adopted by the Reporting Person.
(2)  The shares subject to the option are fully vested and exercisable.
(3)  One fourth (1/4) of the shares subject to the option vested on December 10, 2015, and one forty-eighth (1/48) of the shares vest monthly thereafter, subject to the Reporting Person's continued service on each such vesting date.
(4)  One fourth (1/4) of the shares subject to the option vested on December 3, 2016, and one forty-eighth (1/48) of the shares vest monthly thereafter, subject to the Reporting Person's continued service on each such vesting date.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Carroll David William
C/O QUANTENNA COMMUNICATIONS, INC.
1704 AUTOMATION PARKWAY
SAN JOSE, CA 95131

SVP Worldwide Sales

Signatures
/s/ Tom MacMitchell, as Attorney-in-Fact 4/16/2018
** Signature of Reporting Person Date


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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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