Adrian McDermott - 15 Nov 2021 Form 4 Insider Report for Zendesk, Inc.

Role: Chief Technology Officer
Signature: /s/ Steven Chen via Power-of-Attorney for Adrian McDermott
Issuer symbol: N/A
Transactions as of: 15 Nov 2021
Net transactions value: -$85,971
Form type: 4
Filing time: 17 Nov 2021, 19:57:30 UTC
Previous filing: 03 Nov 2021
Next filing: 18 Nov 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ZEN	Common Stock	Options Exercise		+458	+0.52%		89,128	15 Nov 2021	Direct	F1
transaction	ZEN	Common Stock	Tax liability	$23,673	-228	-0.26%	$103.83	88,900	15 Nov 2021	Direct	F2
transaction	ZEN	Common Stock	Options Exercise		+504	+0.57%		89,404	15 Nov 2021	Direct	F1
transaction	ZEN	Common Stock	Tax liability	$25,958	-250	-0.28%	$103.83	89,154	15 Nov 2021	Direct	F2
transaction	ZEN	Common Stock	Options Exercise		+408	+0.46%		89,562	15 Nov 2021	Direct	F1
transaction	ZEN	Common Stock	Tax liability	$21,077	-203	-0.23%	$103.83	89,359	15 Nov 2021	Direct	F2
transaction	ZEN	Common Stock	Options Exercise		+295	+0.33%		89,654	15 Nov 2021	Direct	F1
transaction	ZEN	Common Stock	Tax liability	$15,263	-147	-0.16%	$103.83	89,507	15 Nov 2021	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ZEN	Restricted Stock Unit	Options Exercise	$0	-458	-33%	$0.000000	918	15 Nov 2021	Common Stock	458		Direct	F1, F3
transaction	ZEN	Restricted Stock Unit	Options Exercise	$0	-504	-6.7%	$0.000000	7,059	15 Nov 2021	Common Stock	504		Direct	F1, F4
transaction	ZEN	Restricted Stock Unit	Options Exercise	$0	-408	-3.6%	$0.000000	11,010	15 Nov 2021	Common Stock	408		Direct	F1, F5
transaction	ZEN	Restricted Stock Unit	Options Exercise	$0	-295	-2.5%	$0.000000	11,511	15 Nov 2021	Common Stock	295		Direct	F1, F6

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted stock units convert into common stock on a one-for-one basis.
F2	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.
F3	1/48th of the shares issuable pursuant to the restricted stock units shall vest each month after the vesting commencement date of January 15, 2018, 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.
F4	1/48th of the shares issuable pursuant to the restricted stock units shall vest each month after the vesting commencement date of January 15, 2019, 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.
F5	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.
F6	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.