Fortinet director acquires shares via RSU vesting

Fortinet, Inc. director Jean X. Hu increased her direct common stock holdings through vesting of restricted stock units (RSUs).

Rhea-AI Filing Summary

Fortinet, Inc. director Jean X. Hu increased her direct common stock holdings through vesting of restricted stock units (RSUs). On March 31, 2026, 649 RSUs granted on August 20, 2025 vested and were exercised into 649 shares of Fortinet common stock at a price of $0.00 per share.

Each RSU represents a contingent right to receive one share of common stock upon settlement. The RSUs from this grant vest in substantially equal increments on September 30, 2025, December 31, 2025, March 31, 2026, and the earlier of June 30, 2026 or the date immediately preceding Fortinet’s 2026 annual stockholder meeting, subject to continued service. Following this vesting event, Hu directly holds 38,399 shares of Fortinet common stock. The RSUs do not expire; they either vest or are canceled before vesting.

Insider Trade Summary

649 shares exercised/converted

Exercise 2 txns

Insider Hu Jean X.

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 — 38,399 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 and exercised: 649 units/shares Exercise/settlement price: $0.00 per share Shares held after transaction: 38,399 shares +1 more

4 metrics

RSUs vested and exercised 649 units/shares Vested and converted on March 31, 2026

Exercise/settlement price $0.00 per share Common stock received from RSUs

Shares held after transaction 38,399 shares Direct Fortinet common stock holding after March 31, 2026

RSU grant date August 20, 2025 Grant underlying the vested RSUs

Key Terms

Restricted Stock Units, RSUs, contingent right, vest, +1 more

5 terms

Restricted Stock Units financial

"Vesting of restricted stock units ("RSUs") granted to the Reporting Person"

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.

RSUs financial

"RSUs will vest in substantially equal increments on each of September 30, 2025"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

contingent right financial

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

vest financial

"The RSUs will vest in substantially equal increments"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

canceled prior to vest date financial

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

FAQ

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

What insider transaction did Fortinet (FTNT) director Jean X. Hu report?

Jean X. Hu reported the vesting and exercise of 649 restricted stock units into 649 shares of Fortinet common stock on March 31, 2026. This was a compensation-related derivative exercise at $0.00 per share, not an open-market stock purchase or sale.

How many Fortinet (FTNT) shares does Jean X. Hu hold after this Form 4?

After the March 31, 2026 RSU vesting, Jean X. Hu directly holds 38,399 shares of Fortinet common stock. This reflects the addition of 649 shares delivered upon settlement of vested restricted stock units granted on August 20, 2025.

What are the vesting terms of Jean X. Hu’s Fortinet (FTNT) RSUs?

The RSUs granted on August 20, 2025 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 meeting, subject to continued service.

How do Fortinet (FTNT) restricted stock units work in Jean X. Hu’s grant?

Each Fortinet restricted stock unit in this grant represents a contingent right to receive one share of common stock upon settlement. The RSUs do not expire; they either vest according to the schedule or are canceled before vesting if service conditions are not met.

Was Jean X. Hu’s Fortinet (FTNT) Form 4 a stock sale or purchase?

The Form 4 reports a derivative exercise, not an open-market sale or purchase. 649 RSUs vested and converted into 649 common shares at $0.00 per share as part of equity compensation, increasing Jean X. Hu’s direct share ownership in Fortinet.

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

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Accepted by SEC EDGAR 04/01/2026 - 06:42 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^*

Hu Jean X.

(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	38,399	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)