Soren Abildgaard - Aug 9, 2021 Form 4 Insider Report for Zendesk, Inc. (ZEN)

Role: EVP of Engineering
Signature: /s/ Steven Chen via Power-of-Attorney for Soren Abildgaard
Stock symbol: ZEN
Transactions as of: Aug 9, 2021
Transactions value $: -$672,738
Form type: 4
Date filed: 8/10/2021, 06:16 PM
Previous filing: Jul 19, 2021
Next filing: Aug 17, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ZEN	Common Stock	Options Exercise	$234K	+6.56K	+255.77%	$35.65	9.13K	Aug 9, 2021	Direct	F1
transaction	ZEN	Common Stock	Sale	-$842K	-6.56K	-71.89%	$128.32	2.57K	Aug 9, 2021	Direct	F1
transaction	ZEN	Common Stock	Sale	-$64.5K	-503	-19.6%	$128.32	2.06K	Aug 9, 2021	Direct	F1

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	Stock Option (Right to Buy)	Options Exercise	$0	-6.56K	-50%	$0.00	6.56K	Aug 9, 2021	Common Stock	6.56K	$35.65	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by Soren Abildgaard on June 7, 2021.
F2	1/4th of the shares subject to the Options vested and became exercisable one year after the vesting commencement date of November 6, 2017, and an additional 1/48th of the shares shall vest and become exercisable 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.

Content

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by Soren Abildgaard on June 7, 2021.

1/4th of the shares subject to the Options vested and became exercisable one year after the vesting commencement date of November 6, 2017, and an additional 1/48th of the shares shall vest and become exercisable 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.