SEC Form 4 · accession 0001476336-26-000014
Fortinet, Inc. · FTNT
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
John Whittle
Officer — CHIEF OPERATING OFFICER
Period of report
Sep 14, 2026
Accepted (ET)
Sep 16, 2026 · 4:22 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001262039
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Sep 14, 2026 | M | 53,865 | $62.11 | A | 150,852 | D | |
| Common StockF2 | Sep 14, 2026 | S | 52,707 | $165.4274 | D | 98,145 | D | |
| Common StockF3 | Sep 14, 2026 | S | 1,158 | $166.0175 | D | 96,987 | D | |
| Common Stock | Sep 15, 2026 | M | 2,835 | $62.11 | A | 99,822 | D | |
| Common Stock | Sep 15, 2026 | S | 2,835 | $168.74 | D | 96,987 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (right to buy)F4 | $62.11 | Sep 14, 2026 | M | 53,865 | D | — | Feb 17, 2029 | Common Stock | 53,865 | 2,835 | D |
| Stock Option (right to buy)F4 | $62.11 | Sep 15, 2026 | M | 2,835 | D | — | Feb 17, 2029 | Common Stock | 2,835 | 0 | D |
Explanation of responses
- F1The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2026.
- F2Represents the weighted average sale price. The lowest price at which shares were sold was $165.00 and the highest price at which shares were sold was $165.96. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein.
- F3Represents the weighted average sale price. The lowest price at which shares were sold was $166.00 and the highest price at which shares were sold was $166.04. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein.
- F4The options are fully vested.