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 * Johnson InaMarie 2. Issuer Name and Ticker or Trading Symbol Zendesk, Inc. [ ZEN ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chief People & Diversity Off.
(Last)         (First)         (Middle)
989 MARKET STREET		 3. Date of Earliest Transaction (MM/DD/YYYY)
12/15/2021
(Street)
SAN FRANCISCO, CA 94103
(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  12/15/2021    M    1146  A  (1) 30227  D   
Common Stock  12/15/2021    F    569 (2) D $100.25  29658  D   
Common Stock  12/15/2021    M    271  A  (1) 29929  D   
Common Stock  12/15/2021    F    135 (2) D $100.25  29794  D   
Common Stock  12/15/2021    M    238  A  (1) 30032  D   
Common Stock  12/15/2021    F    119 (2) D $100.25  29913  D   
Common Stock  12/15/2021    M    147  A  (1) 30060  D   
Common Stock  12/15/2021    F    73 (2) D $100.25  29987  D   

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
Restricted Stock Unit   (1) 12/15/2021    M        1146    (3) 7/27/2025  Common Stock  1146.0  $0  6876  D   
Restricted Stock Unit   (1) 12/15/2021    M        271    (4) 2/7/2026  Common Stock  271.0  $0  3521  D   
Restricted Stock Unit   (1) 12/15/2021    M        238    (5) 2/10/2027  Common Stock  238.0  $0  6185  D   
Restricted Stock Unit   (1) 12/15/2021    M        147    (6) 2/8/2028  Common Stock  147.0  $0  5609  D   

Explanation of Responses:
(1)  Restricted stock units convert into common stock on a one-for-one basis.
(2)  Represents the number of shares withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of the restricted stock units listed in Table II. Such withholding is mandated by an election of the Issuer made in advance and does not represent a discretionary trade by the Reporting Person.
(3)  1/4th of the shares issuable pursuant to the restricted stock units shall vest one year after the vesting commencement date of June 15, 2018 and an additional 1/48th of the shares issuable pursuant to the restricted stock units shall vest each month thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date. Unvested shares are subject to acceleration upon the occurrence of certain events.
(4)  Restricted stock units vests ratably monthly over 48 months from vesting commencement date of January 15, 2019 subject to cliff vesting for all months prior to the one year anniversary of June 11, 2018.
(5)  1/48th of the shares issuable pursuant to the restricted stock units shall vest each month after the vesting commencement date of February 15, 2020, subject to the Reporting Person's continuous service to the Issuer on each such date. Unvested shares are subject to acceleration upon the occurrence of certain events.
(6)  1/48th of the shares issuable pursuant to the restricted stock units shall vest each month after the vesting commencement date of February 15, 2021, subject to the Reporting Person's continuous service to the Issuer on each such date. Unvested shares are subject to acceleration upon the occurrence of certain events.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Johnson InaMarie
989 MARKET STREET
SAN FRANCISCO, CA 94103

Chief People & Diversity Off.

Signatures
/s/ Steven Chen via Power-of-Attorney for InaMarie Johnson 12/17/2021
**Signature of Reporting Person Date
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