John Anthony Maddison

Chief Product Mkting Officer, F5

Bought, 12 months

$0.0M

Sold, 12 months

$1.1M

Companies

Latest trade

Sep 14, 2026

Companies

F5Chief Product Mkting Officer −$1.1M

Trades

FFIV Sold 204 shares at $406.24 · planned $0.1M Sep 14

FFIV Sold 1,000 shares at $405.85 · planned $0.4M Aug 3

FFIV Sold 1,000 shares at $322.33 · planned $0.3M May 4

FFIV Sold 1,000 shares at $280.66 · planned $0.3M Feb 10

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.