SEC Form 4/A · accession 0001127602-16-046605

Zendesk, Inc. · ZEN

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

This is an amendment (Form 4/A). It replaces an earlier filing for the same period.

Reporting owner

Officer — SVP and CFO

Period of report

Jan 21, 2016

Accepted (ET)

Mar 16, 2016 · 5:31 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001463172

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock	Jan 21, 2016	M	2,000	$9.52	A	133,488	D
Common Stock	Jan 21, 2016	M	3,600	$6.24	A	137,088	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Option (Right to Buy)^F2	$9.52	Jan 21, 2016	M	2,000	D	—	Feb 13, 2024	Common Stock	2,000	82,000	D
Stock Option (Right to Buy)^F3	$6.24	Jan 21, 2016	M	3,600	D	—	May 3, 2023	Common Stock	3,600	59,500	D

F1This transaction was effected pursuant to Rule 10b5-1 trading plans adopted by the Reporting Person.
F2The option is immediately exercisable as of the grant date. 1/60th of the shares vest monthly after February 13, 2014, 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. Unvested shares exercised are subject to a right of repurchase in favor of the Company should the Reporting Person cease to provide continuous service.
F3The option is immediately exercisable as of the grant date. 1/48th of the shares vest monthly after April 23, 2013, 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. Unvested shares exercised are subject to a right of repurchase in favor of the Company should the Reporting Person cease to provide continuous service.

This Form 4 amendment corrects the amounts exercised under each stock option.