COMMVAULT SYSTEMS INC — Director's Dealing 2011

Nov 21, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMMVAULT SYSTEMS INC (CVLT)
CIK: 0001169561
Period of Report: 2011-11-17

Reporting Person: GEESLIN KEITH (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-11-17	Common Stock	M	469	$17.60	Acquired	16136	Direct
2011-11-17	Common Stock	M	937	$13.81	Acquired	17073	Direct
2011-11-17	Common Stock	M	3750	$22.45	Acquired	20823	Direct
2011-11-17	Common Stock	S	5156	$47.81	Disposed	15667	Direct
2011-11-18	Common Stock	G	5094	—	Disposed	10573	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-11-17	Options to Purchase Common Stock	$17.60	M	469	Disposed	2017-06-14	Common Stock (469)	Direct
2011-11-17	Options to Purchase Common Stock	$13.81	M	937	Disposed	2018-03-14	Common Stock (937)	Direct
2011-11-17	Options to Purchase Common Stock	$22.45	M	3750	Disposed	2020-03-12	Common Stock (3750)	Direct

Footnotes

F1: Represents average sale price.

F2: Not applicable.

F3: The options vested over 4 years from the date of grant, as follows: 25% on the first anniversary of the grant, quarterly thereafter for the remaining three years.