Fortinet, Inc. — Director's Dealing 2010

Jun 1, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FORTINET INC (FTNT)
CIK: 0001262039
Period of Report: 2010-05-27

Reporting Person: Hara George (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-27	Common Stock	J	86621	—	Disposed	4560	Indirect
2010-05-27	Common Stock	S	4560	$16.2071	Disposed	0	Indirect
2010-05-27	Common Stock	J	45590	—	Acquired	45590	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	866668	Indirect
Common Stock	533333	Indirect
Common Stock	336000	Indirect
Common Stock	213334	Indirect

Footnotes

F1: Pro rata distribution of the Common Stock of the Issuer by Defta Archipelago, LLC ("DA") without consideration to its members.

F2: Shares held directly by DA. The Reporting Person is a director of Defta, Inc., the manager of DA, and may be deemed to share voting and dispositive power over the shares that may be deemed beneficially held by DA. The Reporting Person disclaims beneficial ownership of all such shares, except to the extent of his pecuniary interest therein.

F3: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $16.20 to $16.215 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.

F4: Shares held directly by Technology Advisory Group, LLC ("TAG"). The Reporting Person is the director of TAG and may be deemed to share voting and dispositive power over the shares that may be deemed beneficially held by TAG. The Reporting Person disclaims beneficial ownership of all such shares, except to the extent of his pecuniary interest therein.

F5: Shares held directly by Defta Alliance Fund II, L.P. ("DAF"). The Reporting Person is a managing member of Coba Management, LLC ("Coba Mgmt"), the general partner of DAF, and may be deemed to share voting and dispositive power over the shares that may be deemed beneficially held by DAF. The Reporting Person disclaims beneficial ownership of all such shares, except to the extent of his pecuniary interest therein.

F6: Shares held directly by Coba Mgmt. The Reporting Person is a managing member of Coba Mgmt and may be deemed to share voting and dispositive power over the shares that may be deemed beneficially held by Coba Mgmt. The Reporting Person disclaims beneficial ownership of all such shares, except to the extent of his pecuniary interest therein.

F7: Shares held directly by Defta Fortinet Holdings, LP ("DFH"). The Reporting Person is a managing member of Coba Mgmt, the general partner of DFH, and may be deemed to share voting and dispositive power over the shares that may be deemed beneficially held by DFH. The Reporting Person disclaims beneficial ownership of all such shares, except to the extent of his pecuniary interest therein.

F8: Shares held directly by Defta Ubiquitous Technologies, LP ("DUT"). The Reporting Person is a managing member of Coba International, the general partner of DUT, and may be deemed to share voting and dispositive power over the shares that may be deemed beneficially held by DUT. The Reporting Person disclaims beneficial ownership of all such shares, except to the extent of his pecuniary interest therein.