John Anthony Maddison
Chief Product Mkting Officer, F5, Inc.
Companies
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
As of each latest filing. The line shows shares held over time.
Recent filings
- Sep 14, 2026Sold 204 shares at $406.24 of F5, Inc.2
- Aug 3, 2026Sold 1,000 shares at $405.85 of F5, Inc.3
- Aug 1, 2026Shares withheld for tax 250 shares at $402.57 of F5, Inc.3
- Aug 1, 2026Exercised options 454 shares of F5, Inc.3
- May 4, 2026Sold 1,000 shares at $322.33 of F5, Inc.4
- May 1, 2026Shares withheld for tax 230 shares at $323.20 of F5, Inc.4
- May 1, 2026Exercised options 454 shares of F5, Inc.4
- Feb 10, 2026Sold 1,000 shares at $280.66 of F5, Inc.5
- Feb 1, 2026Shares withheld for tax 4,125 shares at $275.61 of F5, Inc.6
- Feb 1, 2026Exercised options 8,050 shares of F5, Inc.6
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3SEC EDGARForm 4 filed Aug 4, 2026
- 4SEC EDGARForm 4 filed May 5, 2026
- 5SEC EDGARForm 4 filed Feb 11, 2026
- 6SEC EDGARForm 4 filed Feb 3, 2026