Updated Jul 16, 2026
Whittle John has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $22.04M.

John Whittle is the Chief Operating Officer at Fortinet, Inc., a leading cybersecurity company. He has been involved in various roles within the company, contributing to its operations and strategic initiatives.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-22 | FTNT | Fortinet, Inc. | S — Open-market sale | 4.2K | $129.55 | $546K |
| 2026-05-22 | FTNT | Fortinet, Inc. | S — Open-market sale | 55.0K | $128.74 | $7.08M |
| 2026-05-22 | FTNT | Fortinet, Inc. | S — Open-market sale | 86.8K | $128.15 | $11.13M |
| 2026-05-22 | FTNT | Fortinet, Inc. | M — Option exercise | 57.0K | $22.90 | $1.31M |
| 2026-05-22 | FTNT | Fortinet, Inc. | M — Option exercise | 89.0K | $34.39 | $3.06M |
| 2026-05-05 | FTNT | Fortinet, Inc. | F — Tax withholding / forfeiture | 2.3K | $86.29 | $199K |
| 2026-05-05 | FTNT | Fortinet, Inc. | M — Option exercise | 1.1K | $0.00 | |
| 2026-05-05 | FTNT | Fortinet, Inc. | M — Option exercise | 1.8K | $0.00 | |
| 2026-05-05 | FTNT | Fortinet, Inc. | M — Option exercise | 1.6K | $0.00 | |
| 2026-02-04 | FTNT | Fortinet, Inc. | F — Tax withholding / forfeiture | 13.0K | $81.26 | $1.05M |
| 2026-02-04 | FTNT | Fortinet, Inc. | M — Option exercise | 20.0K | $0.00 | |
| 2026-02-04 | FTNT | Fortinet, Inc. | M — Option exercise | 4.5K | $0.00 | |
| 2026-02-04 | FTNT | Fortinet, Inc. | M — Option exercise | 1.8K | $0.00 | |
| 2026-02-04 | FTNT | Fortinet, Inc. | M — Option exercise | 1.6K | $0.00 | |
| 2026-02-04 | FTNT | Fortinet, Inc. | M — Option exercise | 1.2K | $0.00 | |
| 2025-08-01 | FTNT | Fortinet, Inc. | F — Tax withholding / forfeiture | 2.3K | $97.36 | $223K |
| 2025-08-01 | FTNT | Fortinet, Inc. | M — Option exercise | 1.8K | $0.00 | |
| 2025-08-01 | FTNT | Fortinet, Inc. | M — Option exercise | 1.6K | $0.00 | |
| 2025-08-01 | FTNT | Fortinet, Inc. | M — Option exercise | 1.2K | $0.00 | |
| 2025-05-01 | FTNT | Fortinet, Inc. | F — Tax withholding / forfeiture | 2.3K | $104.21 | $239K |
John Whittle is the Chief Operating Officer at Fortinet, Inc., a leading cybersecurity company. He has been involved in various roles within the company, contributing to its operations and strategic initiatives.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 5 open-market sales ($22.04M) 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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