John Whittle - 01 Nov 2025 Form 4 Insider Report for Fortinet, Inc. (FTNT)

Signature
/s/ Robert Turner, by power of attorney
Issuer symbol
FTNT
Transactions as of
01 Nov 2025
Net transactions value
-$197,925
Form type
4
Filing time
04 Nov 2025, 19:25:39 UTC
Previous filing
05 Aug 2025
Next filing
20 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Whittle John CHIEF OPERATING OFFICER C/O FORTINET, INC., 909 KIFER ROAD, SUNNYVALE /s/ Robert Turner, by power of attorney 04 Nov 2025 0001476336

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FTNT Common Stock Options Exercise $0 +1,180 +1.6% $0.000000 75,135 01 Nov 2025 Direct F1
transaction FTNT Common Stock Options Exercise $0 +1,608 +2.1% $0.000000 76,743 01 Nov 2025 Direct F1
transaction FTNT Common Stock Options Exercise $0 +1,827 +2.4% $0.000000 78,570 01 Nov 2025 Direct F1
transaction FTNT Common Stock Tax liability $197,925 -2,290 -2.9% $86.43 76,280 01 Nov 2025 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction FTNT Restricted Stock Units Options Exercise $0 -1,180 -50% $0.000000 1,185 01 Nov 2025 Common Stock 1,180 $0.000000 Direct F1, F3, F4, F5
transaction FTNT Restricted Stock Units Options Exercise $0 -1,608 -17% $0.000000 8,041 01 Nov 2025 Common Stock 1,608 $0.000000 Direct F1, F3, F5, F6
transaction FTNT Restricted Stock Units Options Exercise $0 -1,827 -10% $0.000000 16,442 01 Nov 2025 Common Stock 1,827 $0.000000 Direct F1, F3, F5, F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.
F2 Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of RSUs.
F3 Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement.
F4 25% of the RSUs vested on February 1, 2023, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.
F5 RSUs do not expire; they either vest or are canceled prior to the vesting date.
F6 25% of the RSUs vested on February 1, 2024, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.
F7 25% of the RSUs will vest on February 1, 2025, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.