Fortinet, Inc. — Director's Dealing 2019

May 16, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Fortinet, Inc. (FTNT)
CIK: 0001262039
Period of Report: 2019-05-14

Reporting Person: Jensen Keith (CFO & Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-05-14	Common Stock	S	951	$80.9403	Disposed	1607	Direct
2019-05-14	Common Stock	S	899	$81.409	Disposed	708	Direct
2019-05-16	Common Stock	M	624	$23.83	Acquired	1332	Direct
2019-05-16	Common Stock	M	1249	$37.24	Acquired	2581	Direct
2019-05-16	Common Stock	S	624	$81.11	Disposed	1957	Direct
2019-05-16	Common Stock	S	100	$81.62	Disposed	1857	Direct
2019-05-16	Common Stock	S	1149	$83.0425	Disposed	708	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-05-16	Non-qualified stock option (right to buy)	$23.83	M	624	Disposed	2023-02-11	Common Stock (624)	Direct
2019-05-16	Non-qualified stock option (right to buy)	$37.24	M	1249	Disposed	2024-02-16	Common Stock (1249)	Direct

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 20, 2018.

F2: Represents the aggregate of sales effected on the same day at different prices.

F3: Represents the weighted average sales price per share. The shares sold at prices ranging from $80.29 to $81.25 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.

F4: Represents the weighted average sales price per share. The shares sold at prices ranging from $81.30 to $81.59 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.

F5: Represents the weighted average sales price per share. The shares sold at prices ranging from $82.71 to $83.22 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.

F6: 1/4 of the shares subject to the option vested on February 11, 2017 and 1/48 of the shares subject to the option vest monthly thereafter.

F7: 1/4 of the shares subject to the option vested on February 16, 2018 and 1/48 of the shares subject to the option vest monthly thereafter.