COMMVAULT SYSTEMS INC — Director's Dealing 2013

Jan 7, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMMVAULT SYSTEMS INC (CVLT)
CIK: 0001169561
Period of Report: 2012-12-27

Reporting Person: HAMMER N ROBERT (Director, Chairman, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-27	Common Stock	G	120000	—	Disposed	2287286	Direct
2012-12-27	Common Stock	G	120000	—	Acquired	2407286	Indirect
2013-01-03	Common Stock	F	754	$71.47	Disposed	2406532	Direct

Footnotes

F1: Not applicable.

F2: The shares were gifted to a trust of which Mr. Hammer's children, grandchildren and sister are the beneficiaries. Mr. Hammer has investment discretion and voting control over the shares held by the trust.

F3: This sale of common stock was made to satisfy certain tax withholding obligations resulting from the vesting of restricted stock units.

F4: Represents average sale price.