Updated Jul 16, 2026
Xie Michael has filed 4 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $77.99M.

Michael Xie is the co-founder and Chief Technology Officer (CTO) of Fortinet, Inc., a leading cybersecurity company. He has played a pivotal role in the development of Fortinet's security technologies and has been instrumental in the company's growth since its inception.
| Role | Insider |
|---|---|
| Notability | 50/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-05 | FTNT | Fortinet, Inc. | G — Bona-fide gift | 500 | $0.00 | |
| 2026-06-05 | FTNT | Fortinet, Inc. | G — Bona-fide gift | 2.2K | $0.00 | |
| 2026-06-05 | FTNT | Fortinet, Inc. | G — Bona-fide gift | 2.5K | $0.00 | |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 132 | $148.30 | $20K |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 564 | $147.71 | $83K |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 2.3K | $146.55 | $342K |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 410 | $145.72 | $60K |
| 2026-06-03 | FTNT | Fortinet, Inc. | S — Open-market sale | 464 | $144.46 | $67K |
| 2026-05-20 | FTNT | Fortinet, Inc. | G — Bona-fide gift | 2.93M | $0.00 | |
| 2026-05-20 | FTNT | Fortinet, Inc. | G — Bona-fide gift | 2.93M | $0.00 | |
| 2026-05-20 | FTNT | Fortinet, Inc. | G — Bona-fide gift | 2.93M | $0.00 | |
| 2026-05-20 | FTNT | Fortinet, Inc. | G — Bona-fide gift | 2.93M | $0.00 | |
| 2026-05-05 | FTNT | Fortinet, Inc. | S — Open-market sale | 63 | $89.61 | $6K |
| 2026-05-05 | FTNT | Fortinet, Inc. | S — Open-market sale | 2.0K | $89.12 | $181K |
| 2026-05-05 | FTNT | Fortinet, Inc. | S — Open-market sale | 197 | $88.09 | $17K |
| 2026-05-05 | FTNT | Fortinet, Inc. | S — Open-market sale | 190 | $87.04 | $17K |
| 2026-05-05 | FTNT | Fortinet, Inc. | F — Tax withholding / forfeiture | 3.2K | $86.29 | $275K |
| 2026-05-05 | FTNT | Fortinet, Inc. | M — Option exercise | 1.3K | $0.00 | |
| 2026-05-05 | FTNT | Fortinet, Inc. | M — Option exercise | 2.2K | $0.00 | |
| 2026-05-05 | FTNT | Fortinet, Inc. | M — Option exercise | 2.8K | $0.00 |
Michael Xie is the co-founder and Chief Technology Officer (CTO) of Fortinet, Inc., a leading cybersecurity company. He has played a pivotal role in the development of Fortinet's security technologies and has been instrumental in the company's growth since its inception.…
4 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 19 open-market sales ($77.99M) 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.
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