Fortinet, Inc. — Director's Dealing 2011

Dec 2, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FORTINET INC (FTNT)
CIK: 0001262039
Period of Report: 2011-12-01

Reporting Person: Whittle John (VP & General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-12-01	Common Stock	M	4998	$3.735	Acquired	4998	Direct
2011-12-01	Common Stock	S	4998	$23.7779	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-12-01	Employee Stock Option (right to buy)	$3.735	M	2082	Disposed	2015-04-23	Common Stock (2082)	Direct
2011-12-01	Employee Stock Option (right to buy)	$3.735	M	2916	Disposed	2016-01-28	Common Stock (2916)	Direct

Footnotes

F1: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 24, 2010.

F2: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $23.52 to $23.93 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

F3: One-fourth of the shares subject to the option vested on April 23, 2009 and one forty-eighth of the shares shall vest monthly thereafter.

F4: One-fourth of the shares subject to the option vested on January 28, 2010 and one forty-eighth of the shares shall vest monthly thereafter.