Form4insider filings, from the source

Company · CIK 0001262039 · SIC 3577 — Computer Peripheral Equipment, NEC · Nasdaq

Fortinet, Inc. · FTNT

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $9.4M · 2net −$9.4M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 26Aug 31Sep 5Sep 10Sep 16Sep 21Sep 26

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 24, 2026 SForm 4 →Sep 25, 4:18 pm EDTChristiane OhlgartChief Financial Officer48$180.00$8,64010,345−0.46%10b5-1
Sep 14, 2026 SForm 4 →Sep 16, 4:22 pm EDTJohn WhittleCHIEF OPERATING OFFICER56,700$165.61$9,389,80896,987−36.9%10b5-1
Sep 14, 2026 MForm 4 →Sep 16, 4:22 pm EDTJohn WhittleCHIEF OPERATING OFFICER56,700$62.11$3,521,63799,822—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 MForm 4 →Sep 16, 4:22 pm EDTJohn WhittleCHIEF OPERATING OFFICER56,700——0—10b5-1