Fortinet director receives 649 vested RSUs

Fortinet, Inc. director Judith Sim reported the vesting of restricted stock units that converted into common shares as part of her equity compensation.

Rhea-AI Filing Summary

Fortinet, Inc. director Judith Sim reported the vesting of restricted stock units that converted into common shares as part of her equity compensation. On March 31, 2026, 649 RSUs vested and were settled into 649 shares of common stock at a stated price of $0.00 per share. After this transaction, she directly holds 128,892 shares of Fortinet common stock. These RSUs were granted on August 20, 2025 and vest in several scheduled installments through June 2026, conditioned on her continued service.

Insider Trade Summary

649 shares exercised/converted

Exercise 2 txns

Insider Sim Judith

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	649	$0.00	$0.00
Exercise	Common Stock	649	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 650 contracts (Direct); Common Stock — 128,892 shares (Direct)

Footnotes (4)

1. F1. Vesting of restricted stock units ("RSUs") granted to the Reporting Person on August 20, 2025.
2. F2. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement.
3. F3. The RSUs will vest in substantially equal increments on each of September 30, 2025, December 31, 2025, March 31, 2026, and the earlier of (i) June 30, 2026 and (ii) the date immediately preceding the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's provision of services to the Issuer on each vesting date. Shares of the Issuer's Common Stock will be delivered to the Reporting Person following vesting.
4. F4. RSUs do not expire; they either vest or are canceled prior to vest date

Key Figures

RSUs vested: 649 units Shares held after transaction: 128,892 shares Exercise/settlement price: $0.00 per share +2 more

5 metrics

RSUs vested 649 units Converted into 649 shares of common stock on March 31, 2026

Shares held after transaction 128,892 shares Total direct Fortinet common stock holdings after RSU vesting

Exercise/settlement price $0.00 per share Stated transaction price for RSU conversion to common stock

RSU grant date August 20, 2025 Grant date for RSU award that vests in multiple installments

Vesting schedule 4 installments Vest on Sept 30, 2025; Dec 31, 2025; Mar 31, 2026; and earlier of Jun 30, 2026 or pre-2026 annual meeting

Key Terms

Restricted Stock Units, vesting, contingent right, annual meeting of stockholders

4 terms

Restricted Stock Units financial

"Vesting of restricted stock units ("RSUs") granted to the Reporting Person on August 20, 2025."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vesting financial

"The RSUs will vest in substantially equal increments on each of September 30, 2025, December 31, 2025, March 31, 2026, and the earlier of (i) June 30, 2026 and (ii) the date immediately preceding the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's provision of services to the Issuer on each vesting date."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

contingent right financial

"Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement."

annual meeting of stockholders financial

"the earlier of (i) June 30, 2026 and (ii) the date immediately preceding the Issuer's 2026 annual meeting of stockholders"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Fortinet (FTNT) director Judith Sim report?

Judith Sim reported the vesting and settlement of 649 restricted stock units into 649 shares of Fortinet common stock. This reflects routine equity compensation rather than an open-market stock purchase or sale, and is tied to a previously granted RSU award.

How many Fortinet (FTNT) shares does Judith Sim hold after this Form 4?

Following the RSU vesting and conversion, Judith Sim directly holds 128,892 shares of Fortinet common stock. This total reflects her position after receiving 649 new shares from the March 31, 2026 vesting event reported in the Form 4 filing.

What are restricted stock units (RSUs) in the Fortinet (FTNT) Form 4?

The RSUs are equity awards granting a contingent right to receive one Fortinet common share per unit upon settlement. They vest over time, subject to continued service, and then deliver actual shares to the reporting person instead of cash when vesting conditions are met.

When were Judith Sim’s Fortinet (FTNT) RSUs granted and how do they vest?

The RSUs were granted on August 20, 2025 and vest in substantially equal increments on September 30, 2025, December 31, 2025, March 31, 2026, and the earlier of June 30, 2026 or the day before the 2026 annual stockholders meeting, contingent on continued service.

Did the Fortinet (FTNT) director buy or sell shares on the market in this Form 4?

No open-market buy or sell is reported. The Form 4 shows an exercise or conversion of restricted stock units into 649 common shares at a stated price of $0.00, reflecting planned equity compensation vesting rather than discretionary trading activity.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/01/2026 - 06:47 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Sim Judith

(Last) (First) (Middle)

C/O FORTINET, INC.

909 KIFER ROAD

(Street)

SUNNYVALE CALIFORNIA 94086

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/31/2026		M(1)		649	A	$0	128,892	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	$0(2)	03/31/2026		M(1)			649	(3)	(4)	Common Stock	649	$0	650	D

Explanation of Responses:

1. Vesting of restricted stock units ("RSUs") granted to the Reporting Person on August 20, 2025.

2. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement.

3. The RSUs will vest in substantially equal increments on each of September 30, 2025, December 31, 2025, March 31, 2026, and the earlier of (i) June 30, 2026 and (ii) the date immediately preceding the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's provision of services to the Issuer on each vesting date. Shares of the Issuer's Common Stock will be delivered to the Reporting Person following vesting.

4. RSUs do not expire; they either vest or are canceled prior to vest date

	/s/ Robert Turner, by power of attorney	04/01/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)