Fortinet, Inc. — Director's Dealing 2025

Dec 31, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Fortinet, Inc. (FTNT)
CIK: 0001262039
Period of Report: 2025-12-31

Reporting Person: GOLDMAN KENNETH A (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-31	Common Stock	M	649	—	Acquired	22170	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-12-31	Restricted Stock Units	$0	M	649	Disposed		Common Stock (649)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	20750	Indirect
Common Stock	1000	Indirect

Footnotes

F1: Vesting of restricted stock units ("RSUs") granted to the Reporting Person on August 20, 2025.

F2: The Reporting Person is a trustee of the Trust and may be deemed to have voting and dispositive power with regard to the shares held by the Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

F3: GV Partners L.P. is a family limited partnership of which the Reporting Person is the managing member.

F4: Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement.

F5: 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.

F6: RSUs do not expire; they either vest or are canceled prior to vest date