Updated Jul 16, 2026
Xie Ken has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $83.39M.

Ken Xie (Xie Ken in Chinese order) is a Chinese-American entrepreneur who co-founded Fortinet, Inc. in 2000 and has served as its chief executive officer and chairman. Under his leadership, Fortinet grew into a global cybersecurity company known for its FortiGate firewall platform and related security products. He co-founded the company with his brother, Michael Xie, who is a co-founder and chief technology officer. Fortinet completed an IPO on NASDAQ in 2009 and has since expanded its product portfolio and global operations, making it a major player in enterprise network security.
| Role | Insider |
|---|---|
| Notability | 85/100 |
| Links | Wikipedia |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 8.6K | $148.94 | $1.28M |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 18.5K | $148.24 | $2.74M |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 13.8K | $147.37 | $2.03M |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 37.5K | $146.36 | $5.49M |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 12.8K | $145.04 | $1.86M |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 39.9K | $144.29 | $5.75M |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 19.9K | $143.43 | $2.85M |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 9.6K | $142.37 | $1.37M |
| 2026-06-03 | FTNT | Fortinet, Inc. | M — Option exercise | 155.0K | $22.90 | $3.55M |
| 2026-05-05 | FTNT | Fortinet, Inc. | S — Open-market sale | 137 | $89.61 | $12K |
| 2026-05-05 | FTNT | Fortinet, Inc. | S — Open-market sale | 4.4K | $89.12 | $391K |
| 2026-05-05 | FTNT | Fortinet, Inc. | S — Open-market sale | 425 | $88.09 | $37K |
| 2026-05-05 | FTNT | Fortinet, Inc. | S — Open-market sale | 410 | $87.04 | $36K |
| 2026-05-05 | FTNT | Fortinet, Inc. | F — Tax withholding / forfeiture | 6.6K | $86.29 | $570K |
| 2026-05-05 | FTNT | Fortinet, Inc. | M — Option exercise | 2.3K | $0.00 | |
| 2026-05-05 | FTNT | Fortinet, Inc. | M — Option exercise | 4.6K | $0.00 | |
| 2026-05-05 | FTNT | Fortinet, Inc. | M — Option exercise | 6.3K | $0.00 | |
| 2026-04-20 | FTNT | Fortinet, Inc. | G — Bona-fide gift | 236.4K | $0.00 | |
| 2026-04-20 | FTNT | Fortinet, Inc. | G — Bona-fide gift | 236.4K | $0.00 | |
| 2026-04-20 | FTNT | Fortinet, Inc. | G — Bona-fide gift | 236.4K | $0.00 |
Ken Xie (Xie Ken in Chinese order) is a Chinese-American entrepreneur who co-founded Fortinet, Inc. in 2000 and has served as its chief executive officer and chairman. Under his leadership, Fortinet grew into a global cybersecurity company known for its FortiGate firewall platform and related security products. He co-founded the company with his brother, Michael Xie, who is a c…
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 38 open-market sales ($83.39M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Xie Ken profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.