Whittle John

CHIEF OPERATING OFFICER

Whittle John has filed 6 SEC Form 4 filings (28 transaction rows) across 1 company, with disclosures dating back to 2025. 6 of those filings fall inside the rolling window. Most recent filing: Sep 16, 2026.

On the most recent filing, Whittle John is listed as CHIEF OPERATING OFFICER at Fortinet, Inc. Inside the rolling window, Whittle John reported no open-market purchases and 3 open-market sales totaling $28.1M in FTNT. The largest disclosed transaction in the window is a sale of 146,015 FTNT shares on May 21, 2026, worth $18.7M.

Companies traded

Other insiders at FTNT

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$28.1M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
FTNTSale$8.9MSep 16SEC ↗
FTNTSale$478KSep 16SEC ↗
FTNTSale$18.7MMay 22SEC ↗
Showing 1–3 of 3
1 / 1

Frequently asked questions

How many SEC Form 4 filings has Whittle John made?

Whittle John has filed 6 SEC Form 4 filings (28 transaction rows) across 1 company since 2025.

Which companies does Whittle John trade?

Whittle John has filed SEC Form 4 disclosures for 1 company, including FTNT.

When was Whittle John's most recent SEC Form 4 filing?

Whittle John's most recent SEC Form 4 filing on Tracefour is dated Sep 16, 2026.

What is Whittle John's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, Whittle John is listed as CHIEF OPERATING OFFICER.

What is Whittle John's total buy and sell value in the current window?

Inside the rolling retention window, Whittle John bought $0 and sold $28.1M based on SEC Form 4 filings.

What was Whittle John's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 146,015 FTNT shares on 2026-05-21, worth $18.7M, per SEC Form 4 filings.