Fortinet's three largest insider shareholders as of September 05, 2026 are Ken Xie (President Ceo, 52.97Mn shares), Michael Xie (Vp, Engineering Cto, 40.25Mn shares), Michael Xie (Vp, Engineering Cto, 9.92Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Ken Xie | President Ceo | 52,972,372 | 0 | 52,972,372 | 83.4% | 04 Aug, 2026 |
| 2 | Michael Xie | Vp, Engineering Cto | 9,918,360 | 0 | 9,918,360 | 15.6% | 04 Aug, 2026 |
| 3 | William H. Neukom | Director | 302,601 | 0 | 302,601 | 0.5% | 13 Jun, 2025 |
| 4 | Judith Sim | Director | 129,542 | 0 | 129,542 | 0.2% | 12 Jun, 2026 |
| 5 | John Whittle | Chief Operating Officer | 96,987 | 0 | 96,987 | 0.2% | 04 Aug, 2026 |
| 6 | Patrice Perche | Chief Revenue Off./Evp Supp. | 25,730 | 0 | 25,730 | 0.0% | 22 Dec, 2023 |
| 7 | Kelly Ducourty | Director | 23,190 | 0 | 23,190 | 0.0% | 17 Jun, 2022 |
| 8 | James G. Stavridis | Director | 17,189 | 0 | 17,189 | 0.0% | 12 Jun, 2026 |
| 9 | Christiane Ohlgart | Chief Financial Officer | 10,393 | 0 | 10,393 | 0.0% | 04 Aug, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 12 Aug, 2026 | Judith Sim | Director | Acquired A | 1,836 | $0.00 | $0 | 1,836 | Direct |
| 12 Aug, 2026 | James G. Stavridis | Director | Acquired A | 1,836 | $0.00 | $0 | 1,836 | Direct |
| 12 Aug, 2026 | Jean X. Hu | Director | Acquired A | 1,836 | $0.00 | $0 | 1,836 | Direct |
| 12 Aug, 2026 | Derek T. Kan | Director | Acquired A | 1,836 | $0.00 | $0 | 1,836 | Direct |
| 01 Aug, 2026 | Michael Xie | Vp, Engineering Cto | Acquired M | 2,764 | $0.00 | $0 | 9,921,124 | Direct |
| 01 Aug, 2026 | Christiane Ohlgart | Chief Financial Officer | Acquired M | 684 | $0.00 | $0 | 9,509 | Direct |
| 01 Aug, 2026 | Ken Xie | President Ceo | Acquired M | 6,260 | $0.00 | $0 | 52,978,632 | Direct |
| 01 Aug, 2026 | John Whittle | Chief Operating Officer | Acquired M | 1,608 | $0.00 | $0 | 96,332 | Direct |
| 01 Aug, 2026 | Christiane Ohlgart | Chief Financial Officer | Acquired M | 650 | $0.00 | $0 | 10,159 | Direct |
| 01 Aug, 2026 | Michael Xie | Vp, Engineering Cto | Acquired M | 2,242 | $0.00 | $0 | 9,923,366 | Direct |
| 01 Aug, 2026 | Ken Xie | President Ceo | Acquired M | 4,558 | $0.00 | $0 | 52,983,190 | Direct |
| 01 Aug, 2026 | John Whittle | Chief Operating Officer | Acquired M | 1,827 | $0.00 | $0 | 98,159 | Direct |
| 01 Aug, 2026 | Ken Xie | President Ceo | Acquired M | 2,275 | $0.00 | $0 | 52,985,465 | Direct |
| 01 Aug, 2026 | John Whittle | Chief Operating Officer | Acquired M | 1,138 | $0.00 | $0 | 99,297 | Direct |
| 01 Aug, 2026 | Michael Xie | Vp, Engineering Cto | Acquired M | 1,300 | $0.00 | $0 | 9,924,666 | Direct |
| 01 Aug, 2026 | Christiane Ohlgart | Chief Financial Officer | Acquired M | 300 | $0.00 | $0 | 11,361 | Direct |
| 01 Aug, 2026 | Ken Xie | President Ceo | Disposed F | 6,611 | $161.95 | $1.07Mn | 52,978,854 | Direct |
| 01 Aug, 2026 | Christiane Ohlgart | Chief Financial Officer | Disposed F | 581 | $161.95 | $94.09K | 10,780 | Direct |
| 01 Aug, 2026 | John Whittle | Chief Operating Officer | Disposed F | 2,310 | $161.95 | $374.10K | 96,987 | Direct |
| 01 Aug, 2026 | Michael Xie | Vp, Engineering Cto | Disposed F | 3,185 | $161.95 | $515.81K | 9,921,481 | Direct |