Fortinet, Inc. — Director's Dealing 2011

Aug 3, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FORTINET INC (FTNT)
CIK: 0001262039
Period of Report: 2011-08-01

Reporting Person: PAISLEY CHRISTOPHER B (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-08-01	Common Stock	M	10000	$0.475	Acquired	10000	Direct
2011-08-01	Common Stock	S	10000	$20.1832	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-08-01	Stock Option (right to buy)	$0.475	M	10000	Disposed	2014-02-26	Common Stock (68000)	Direct
2011-08-02	Stock Option (right to buy)	$20.13	A	15000	Acquired	2018-08-02	Common Stock (15000)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (right to buy)	$3.7350	2015-04-23	Common Stock (96000)	96000	Direct
Stock Option (right to buy)	$3.84	2016-04-30	Common Stock (24000)	24000	Direct
Stock Option (right to buy)	$8.99	2017-08-05	Common Stock (24000)	24000	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 February 28, 2011.

F2: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $19.94 to $20.66 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: On June 1, 2011, the common stock of the Issuer split 2-for-1, in the form of a 100% stock dividend, to all stockholders of record as of the close of business on May 9, 2011 (the "Stock Split").

F4: The option was previously reported as covering 39,000 shares at an exercise price of $0.95 per share, but was adjusted to reflect the Stock Split.

F5: Shares subject to the option are fully vested and immediately exercisable.

F6: The option vests in forty-eight equal monthly installments beginning on September 2, 2011.

F7: The option was previously reported as covering 48,000 shares at an exercise price of $7.47 per share, but was adjusted to reflect the Stock Split.

F8: One forty-eighth of the shares subject to the option vested on May 1, 2008 and one forty-eighth of the shares vest monthly thereafter.

F9: The option was previously reported as covering 12,000 shares at an exercise price of $7.68 per share, but was adjusted to reflect the Stock Split.

F10: One forty-eighth of the shares subject to the option vested on June 1, 2009 and one forty-eighth of the shares vest monthly thereafter.

F11: The option was previously reported as covering 12,000 shares at an exercise price of $17.98 per share, but was adjusted to reflect the Stock Split.

F12: The option vests in forty-eight equal monthly installments beginning on September 5, 2010.