Michael John Curtis - 19 May 2021 Form 4 Insider Report for Zendesk, Inc.

Role: Director
Signature: /s/ Steven Chen via Power-of-Attorney for Michael John Curtis
Issuer symbol: N/A
Transactions as of: 19 May 2021
Net transactions value: $0
Form type: 4
Filing time: 21 May 2021, 18:41:08 UTC
Previous filing: 03 Jun 2021
Next filing: 17 Aug 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		+2,769	+70%		6,745	19 May 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	Restricted Stock Unit	Options Exercise	$0	-2,769	-100%	$0.000000^*	0	19 May 2021	Common Stock	2,769		Direct	F1, F2

* 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	Restricted stock units grant fully vests on May 19, 2021 subject to the Reporting Person's continuous service to the Issuer through such date. Unvested units are subject to acceleration upon the occurrence of certain events.