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, 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 * Stalder Dana   2. Issuer Name and Ticker or Trading Symbol Zendesk, Inc. [ZEN] 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) 260 HOMER AVENUE, SUITE 201 3. Date of Earliest Transaction (Month/Day/Year) 08/18/2016 (Street) PALO ALTO, CA 94301 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 Common Stock 08/18/2016   J(1)   1,031 D $ 0 0 I By Weston & Co. IX LLC, As Nominee (2) Common Stock 08/18/2016   J(3)   1,031 A $ 0 89,041 I By Vista Grande Trust Dated January 24, 2001 as amended (4) Common Stock 08/18/2016   J(1)   599,235 D $ 0 0 I By Matrix Partners IX, L.P. (5) Common Stock 08/18/2016   J(3)   16,278 A $ 0 105,319 I By Vista Grande Trust Dated January 24, 2001 as amended (4)

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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
Stalder Dana 260 HOMER AVENUE SUITE 201 PALO ALTO, CA 94301	X

Signatures

/s/ Hasani Caraway, attorney-in-fact for Dana Stalder		08/22/2016
**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)	Represents a pro rata distribution for no consideration.
(2)	These shares were owned directly by Weston & Co. IX LLC ("Weston IX"), as nominee for Vista Grande Trust, a trust of which Mr. Stalder is the trustee and a beneficiary (the "Trust"). Weston IX owned shares in the company as nominee for other beneficial owners. Mr. Stalder disclaimed ownership of any of the shares owned directly by Weston IX other than those held by Weston IX as nominee for the Trust. The Trust held sole voting and/or investment control over the shares held by Weston IX as nominee for the Trust, but did not have sole or shared voting and/or investment control with respect to the shares owned by Weston IX.
(3)	Shares acquired by the Reporting Person pursuant to a pro rata distribution for no consideration.
(4)	Shares held by Vista Grande Trust dated January 24, 2001 as amended. The Reporting Person is a trustee and beneficiary of the trust.
(5)	These shares were owned directly by Matrix Partners IX, L.P. ("Matrix IX"). Dana Stalder is managing member of Matrix IX Management Co., L.L.C., the general partner of Matrix IX, and held sole voting and dispositive power with respect to the Matrix IX shares. The Reporting Person disclaimed beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person was the beneficial owner of such securities for Section 16 or any other purpose. Dana Stalder is a director of Issuer.
Remarks: Exhibit 24 Power of Attorney.

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