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: 2011-08-02

Reporting Person: WALECKA JOHN L (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-08-02	Stock Option (right to buy)	$20.13	A	15000	Acquired	2018-08-02	Common Stock (15000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	182854	Indirect
Common Stock	55204	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (right to buy)	$8.99	2017-08-05	Common Stock (42000)	42000	Direct

Footnotes

F1: 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").

F2: As a result of the Stock Split, ownership by the Walecka 1992 Living Trust udt dated December 31, 1992 ("Walecka Trust") includes 91,427 additional shares of common stock.

F3: The shares are held by the Walecka Trust. The Reporting Person is a trustee and beneficiary of the Walecka Trust.

F4: As a result of the Stock Split, ownership by Walecka Enterprises I, L.P. ("Walecka LP") includes 27,602 additional shares of common stock.

F5: The shares are held by Walecka LP. The Reporting Person is the General Manager of Walecka Capital LLC which serves as the general partner of Walecka LP.

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

F7: The option was previously reported as covering 21,000 shares at an exercise price of $17.98 per share, but was adjusted to reflect the Stock Split.

F8: The option vests in forty-eight equal monthly installments beginning on September 5, 2010.