John Geschke - May 15, 2022 Form 4 Insider Report for Zendesk, Inc. (ZEN)

Role: Chief of Staff
Signature: /s/ Albert Yeh via Power-of-Attorney for John Geschke
Stock symbol: ZEN
Transactions as of: May 15, 2022
Transactions value $: -$67,419
Form type: 4
Date filed: 5/17/2022, 07:29 PM
Previous filing: Apr 19, 2022
Next filing: Jun 17, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ZEN	Common Stock	Options Exercise		+306	+0.72%		42.8K	May 15, 2022	Direct	F1, F2
transaction	ZEN	Common Stock	Tax liability	-$15.5K	-152	-0.35%	$102.15	42.7K	May 15, 2022	Direct	F3
transaction	ZEN	Common Stock	Options Exercise		+340	+0.8%		43K	May 15, 2022	Direct	F1
transaction	ZEN	Common Stock	Tax liability	-$17.3K	-169	-0.39%	$102.15	42.9K	May 15, 2022	Direct	F3
transaction	ZEN	Common Stock	Options Exercise		+222	+0.52%		43.1K	May 15, 2022	Direct	F1
transaction	ZEN	Common Stock	Tax liability	-$11.3K	-111	-0.26%	$102.15	43K	May 15, 2022	Direct	F3
transaction	ZEN	Common Stock	Options Exercise		+459	+1.07%		43.4K	May 15, 2022	Direct	F1
transaction	ZEN	Common Stock	Tax liability	-$23.3K	-228	-0.52%	$102.15	43.2K	May 15, 2022	Direct	F3

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	-306	-11.1%	$0.00	2.45K	May 15, 2022	Common Stock	306		Direct	F1, F4
transaction	ZEN	Restricted Stock Unit	Options Exercise	$0	-340	-4.55%	$0.00	7.14K	May 15, 2022	Common Stock	340		Direct	F1, F5
transaction	ZEN	Restricted Stock Unit	Options Exercise	$0	-222	-2.95%	$0.00	7.31K	May 15, 2022	Common Stock	222		Direct	F1, F6
transaction	ZEN	Restricted Stock Unit	Options Exercise	$0	-459	-2.17%	$0.00	20.7K	May 15, 2022	Common Stock	459		Direct	F1, F7

* 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	Includes 242 shares acquired by the Reporting Person on May 13, 2022, pursuant to the Issuer's Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3(c).
F3	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.
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.
F7	1/48th of the shares issuable pursuant to the restricted stock units shall vest each month after the vesting commencement date of February 15, 2022, 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.