Amended Statement of Changes in Beneficial Ownership (4/a)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Xie Michael	2. Issuer Name and Ticker or Trading Symbol FORTINET INC [ FTNT ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __ X __ Director _____ 10% Owner __ X __ Officer (give title below) _____ Other (specify below) VP, Engineering & CTO
(Last) (First) (Middle) C/O FORTINET, INC., 899 KIFER ROAD	3. Date of Earliest Transaction (MM/DD/YYYY) 11/1/2018
(Street) SUNNYVALE, CA 94086 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY) 11/5/2018	6. Individual or Joint/Group Filing (Check Applicable Line) _ X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	11/2/2018		S ⁽¹⁾		9173 ⁽²⁾	D	$72.4765 ⁽³⁾	3699141	I	See footnote ⁽⁴⁾
Common Stock	11/2/2018		S ⁽¹⁾		8268 ⁽²⁾	D	$73.3475 ⁽⁵⁾	3690873	I	See footnote ⁽⁴⁾
Common Stock	11/2/2018		S ⁽¹⁾		3700 ⁽²⁾	D	$74.2622 ⁽⁶⁾	3687173	I	See footnote ⁽⁴⁾
Common Stock	11/2/2018		S ⁽¹⁾		2400 ⁽²⁾	D	$75.6304 ⁽⁷⁾	3684773	I	See footnote ⁽⁴⁾
Common Stock	11/2/2018		S ⁽¹⁾		2400 ⁽²⁾	D	$76.2529 ⁽⁸⁾	3682373	I	See footnote ⁽⁴⁾
Common Stock	11/2/2018		S ⁽¹⁾		2200 ⁽²⁾	D	$77.3186 ⁽⁹⁾	3680173	I	See footnote ⁽⁴⁾
Common Stock	11/2/2018		S ⁽¹⁾		950 ⁽²⁾	D	$78.32 ⁽¹⁰⁾	3679223	I	See footnote ⁽⁴⁾
Common Stock	11/2/2018		S ⁽¹⁾		609 ⁽²⁾	D	$79.3679 ⁽¹¹⁾	3678614	I	See footnote ⁽⁴⁾
Common Stock	11/2/2018		S ⁽¹⁾		400 ⁽²⁾	D	$81.605 ⁽¹²⁾	3678214	I	See footnote ⁽⁴⁾
Common Stock								6460000	D
Common Stock								1991686	I	See Footnote ⁽¹³⁾

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:
(1)	The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 22, 2018.
(2)	Represents the aggregate of sales effected on the same day at different prices
(3)	Represents the weighted average sales price per share. The shares sold at prices ranging from $71.92 to $72.91 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(4)	Shares held directly by The K.A. Children's Trust dated February 9, 2011, for which the Reporting Person serves as a trustee.
(5)	Represents the weighted average sales price per share. The shares sold at prices ranging from $72.92 to $73.91 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(6)	Represents the weighted average sales price per share. The shares sold at prices ranging from $73.92 to $74.90 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(7)	Represents the weighted average sales price per share. The shares sold at prices ranging from $74.96 to $75.90 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(8)	Represents the weighted average sales price per share. The shares sold at prices ranging from $75.92 to $76.85 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(9)	Represents the weighted average sales price per share. The shares sold at prices ranging from $76.95 to $77.79 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(10)	Represents the weighted average sales price per share. The shares sold at prices ranging from $77.95 to $78.71 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(11)	Represents the weighted average sales price per share. The shares sold at prices ranging from $79.11 to $79.80 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(12)	Represents the weighted average sales price per share. The shares sold at prices ranging from $81.58 to $81.68 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(13)	Shares held directly by the 2010 K.A. Family Trust dated May 3, 2010, for which the Reporting Person serves as a trustee.

Remarks:
This amendment is being filed to include transactions involving securities indirectly held the Reporting Person that were effected on November 2, 2018, which were inadvertently omitted from the Form 4 filed by the Reporting Person with the U.S. Securities and Exchange Commission on November 5, 2018.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Xie Michael C/O FORTINET, INC. 899 KIFER ROAD SUNNYVALE, CA 94086	X		VP, Engineering & CTO

Signatures
/s/ John Whittle, by power of attorney		11/9/2018
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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