XIE MICHAEL (VP, Engineering & CTO) sold 3.3% of their position (343.11K shares) of FORTINET, INC. on the open market

Open‑market sale worth $27.94M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

XIE MICHAEL

Filed: 2/3/2026ACC: 0001475586-26-000004

InsiderXIE MICHAELCIK 1475586

→

IssuerFORTINET, INC.CIK 1262039

DirectorOfficer· VP, Engineering & CTO

Since Aug 2018

-362.08K

Net shares

Net seller

$29.48M

Total sold

Open market trades

0B · 3S

Total transactions

365.35K acquired · 727.43K disposed

Non-Derivative Transactions10

Common Stock

Direct

M · Option Exercise

+2.03K

Price / share

—

Trade value

—

% of position

0.0%

2/1/2026

10.21M→10.21M

Common Stock

Direct

M · Option Exercise

+2.76K

Price / share

—

Trade value

—

% of position

0.0%

2/1/2026

10.21M→10.21M

Common Stock

Direct

M · Option Exercise

+2.24K

Price / share

—

Trade value

—

% of position

0.0%

2/1/2026

10.21M→10.21M

Common Stock

Direct

M · Option Exercise

+5.20K

Price / share

—

Trade value

—

% of position

0.1%

2/1/2026

10.21M→10.22M

Common Stock

Direct

M · Option Exercise

+28.82K

Price / share

—

Trade value

—

% of position

0.3%

2/1/2026

10.22M→10.25M

Common Stock

Direct

F · Tax Withholding

−18.98K

Price / share

$81.26

Trade value

$1.54M

% of position

0.2%

2/1/2026

10.25M→10.23M

Common Stock

Direct

M · Option Exercise

+324.29K

Price / share

$16.90

Trade value

$5.48M

% of position

3.2%

2/2/2026

10.23M→10.55M

Common Stock

Direct

S · Sale

−129.38K

Price / share

$81.01

Trade value

$10.48M

% of position

1.2%

2/2/2026

10.55M→10.42M

Common Stock

Direct

S · Sale

−204.28K

Price / share

$81.64

Trade value

$16.68M

% of position

2.0%

2/2/2026

10.42M→10.22M

Common Stock

Direct

S · Sale

−9.45K

Price / share

$82.28

Trade value

$777.25K

% of position

0.1%

2/2/2026

10.22M→10.21M

Total

Net shares

+3.26K

Net value

-$24M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/1/2026	M · Option Exercise	+2.03K	—	—	0.0%	10.21M	10.21M
Common Stock Direct	2/1/2026	M · Option Exercise	+2.76K	—	—	0.0%	10.21M	10.21M
Common Stock Direct	2/1/2026	M · Option Exercise	+2.24K	—	—	0.0%	10.21M	10.21M
Common Stock Direct	2/1/2026	M · Option Exercise	+5.20K	—	—	0.1%	10.21M	10.22M
Common Stock Direct	2/1/2026	M · Option Exercise	+28.82K	—	—	0.3%	10.22M	10.25M
Common Stock Direct	2/1/2026	F · Tax Withholding	−18.98K	$81.26	$1.54M	0.2%	10.25M	10.23M
Common Stock Direct	2/2/2026	M · Option Exercise	+324.29K	$16.90	$5.48M	3.2%	10.23M	10.55M
Common Stock Direct	2/2/2026	S · Sale	−129.38K	$81.01	$10.48M	1.2%	10.55M	10.42M
Common Stock Direct	2/2/2026	S · Sale	−204.28K	$81.64	$16.68M	2.0%	10.42M	10.22M
Common Stock Direct	2/2/2026	S · Sale	−9.45K	$82.28	$777.25K	0.1%	10.22M	10.21M
Total			+3.26K		-$24M

Derivative Transactions6

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.03K shares

−2.03K

Strike price

Held after

0.00

Exercisable

—

2/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.76K shares

−2.76K

Strike price

Held after

11.05K

Exercisable

—

2/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.24K shares

−2.24K

Strike price

Held after

17.94K

Exercisable

—

2/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

5.20K shares

−5.20K

Strike price

Held after

15.60K

Exercisable

—

2/1/2026

Performance Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

28.82K shares

−28.82K

Strike price

Held after

0.00

Exercisable

—

2/1/2026

Nonqualified Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

324.29K shares

−324.29K

Strike price

16.898

Held after

0.00

Exercisable

—

2/2/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Stock2.03K shares	2/1/2026	M · Option Exercise	−2.03K	0	—	0.00
Restricted Stock Units Direct	Common Stock2.76K shares	2/1/2026	M · Option Exercise	−2.76K	0	—	11.05K
Restricted Stock Units Direct	Common Stock2.24K shares	2/1/2026	M · Option Exercise	−2.24K	0	—	17.94K
Restricted Stock Units Direct	Common Stock5.20K shares	2/1/2026	M · Option Exercise	−5.20K	0	—	15.60K
Performance Stock Units Direct	Common Stock28.82K shares	2/1/2026	M · Option Exercise	−28.82K	0	—	0.00
Nonqualified Stock Option (right to buy) Direct	Common Stock324.29K shares	2/2/2026	M · Option Exercise	−324.29K	16.898	—	0.00

Non-Derivative Holdings (Post-Transaction)5

Common Stock

Indirect

Shares owned5.51M

Common Stock

Indirect

Shares owned19.83M

Common Stock

Indirect

Shares owned5.51M

Common Stock

Indirect

Shares owned7.57M

Common Stock

Indirect

Shares owned7.57M

Total

46M indirect46M

Security Title	Shares Owned	Ownership Type
Common Stock	5.51M	Indirect
Common Stock	19.83M	Indirect
Common Stock	5.51M	Indirect
Common Stock	7.57M	Indirect
Common Stock	7.57M	Indirect
Total	46M	46M indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported