STOCK TITAN

Ming Hsieh converts 650 RSUs into Fortinet (FTNT) shares, updates trust holdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Fortinet director Ming Hsieh reported routine equity compensation activity involving restricted stock units. On June 11, 2026, 650 restricted stock units vested and were converted into 650 shares of Fortinet common stock at a stated price of $0.00 per share, increasing his directly held common stock to 9,597 shares. The RSUs were originally granted on August 20, 2025 and represent a contingent right to receive one share of common stock upon settlement. In addition to his direct holdings, Hsieh is trustee for several family trusts that collectively hold various indirect positions in Fortinet common stock, including 53,082 shares in the Ming Hsieh Revocable Family Trust and smaller amounts in other family trusts.

Positive

  • None.

Negative

  • None.
Insider Hsieh Ming
Role null
Type Security Shares Price Value
Exercise Restricted Stock Units 650 $0.00 --
Exercise Common Stock 650 $0.00 --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct, null); Common Stock — 9,597 shares (Direct, null); Common Stock — 53,082 shares (Indirect, By Trust)
Footnotes (1)
  1. Vesting of restricted stock units ("RSUs") granted to the Reporting Person on August 20, 2025. Securities held by The Ming Hsieh Trust (the "Hsieh Trust"). Mr. Hsieh is the trustee of the Hsieh Trust and possesses the sole voting and dispositive power with respect to securities held by the Hsieh Trust. These securities are held by the Pauline Hsieh Irrevocable Trust dated 05/12/04, of which the Reporting Person is a trustee. These securities are held by the Tiffany Hsieh Irrevocable Trust dated 05/12/04, of which the Reporting Person is a trustee. These securities are held by the Ming Hsieh Revocable Family Trust, of which the Reporting Person is a trustee. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement. 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. RSUs do not expire; they either vest or are canceled prior to vest date
RSUs vested and converted 650 shares Restricted stock units converted to common stock on June 11, 2026
Direct common shares after transaction 9,597 shares Direct holdings of Ming Hsieh following RSU conversion
Exercise/settlement price $0.00 per share Stated price for RSU conversion into common stock
Indirect shares in Revocable Family Trust 53,082 shares Common stock held by the Ming Hsieh Revocable Family Trust
Indirect trust holding A 143 shares Common stock held by The Ming Hsieh Trust
Indirect trust holding B 25 shares Common stock held by Pauline Hsieh Irrevocable Trust
Indirect trust holding C 25 shares Common stock held by Tiffany Hsieh Irrevocable Trust
Derivative exercises this filing 650 shares Exercise of derivative security per transaction summary
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.
RSUs financial
"Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement."
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 upon settlement."
derivative security financial
"transaction_code_description": "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
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"
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.
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SEC Form 4
FORM 4UNITED 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*
Hsieh Ming

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/11/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/11/2026M(1)650A$09,597D
Common Stock53,082IBy Trust(2)
Common Stock25IBy Trust(3)
Common Stock25IBy Trust(4)
Common Stock143IBy Trust(5)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units$0(6)06/11/2026M(1)650 (7) (8)Common Stock650$00D
Explanation of Responses:
1. Vesting of restricted stock units ("RSUs") granted to the Reporting Person on August 20, 2025.
2. Securities held by The Ming Hsieh Trust (the "Hsieh Trust"). Mr. Hsieh is the trustee of the Hsieh Trust and possesses the sole voting and dispositive power with respect to securities held by the Hsieh Trust.
3. These securities are held by the Pauline Hsieh Irrevocable Trust dated 05/12/04, of which the Reporting Person is a trustee.
4. These securities are held by the Tiffany Hsieh Irrevocable Trust dated 05/12/04, of which the Reporting Person is a trustee.
5. These securities are held by the Ming Hsieh Revocable Family Trust, of which the Reporting Person is a trustee.
6. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement.
7. 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.
8. RSUs do not expire; they either vest or are canceled prior to vest date
Remarks:
The number of shares reported as directly owned by the Reporting Person has been adjusted in connection with a reconciliation to the Reporting Person's shareholdings as reflected in the records of the Issuer's transfer agent.
/s/ Robert Turner, by power of attorney06/12/2026
** Signature of Reporting PersonDate
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)

FAQ

What insider transaction did Fortinet (FTNT) director Ming Hsieh report?

Ming Hsieh reported the vesting and conversion of 650 restricted stock units into 650 shares of Fortinet common stock. This was an equity compensation event, not an open-market purchase or sale, and reflects routine settlement of previously granted RSUs.

How many Fortinet (FTNT) shares does Ming Hsieh hold directly after this Form 4?

After the RSU vesting and share issuance, Ming Hsieh directly holds 9,597 shares of Fortinet common stock. This position reflects his post-transaction holdings, excluding additional indirect shares held through various family trusts where he serves as trustee.

What happened to Ming Hsieh’s Fortinet (FTNT) restricted stock units in this filing?

A block of 650 restricted stock units vested and converted into 650 shares of Fortinet common stock at a stated price of $0.00 per share. The RSUs were part of a grant dated August 20, 2025 with scheduled vesting dates through mid-2026.

Does the Form 4 for Fortinet (FTNT) show any insider share sales by Ming Hsieh?

The Form 4 shows no open-market sales by Ming Hsieh. It reports only the vesting and conversion of 650 restricted stock units into common shares, along with updated direct and indirect holdings, indicating a routine compensation-related equity settlement.

What indirect Fortinet (FTNT) holdings does Ming Hsieh report through family trusts?

Ming Hsieh reports indirect ownership through several family trusts, including 53,082 Fortinet common shares held by the Ming Hsieh Revocable Family Trust and smaller positions such as 143, 25, and 25 shares held in other named family trusts where he serves as trustee.