FOUNTAIN THOMAS DEAN 4

What Happened

Thomas Fountain, EVP Global Services & Strategy at F5, sold 1,297 shares of F5 stock on February 10, 2026. The sale price was $278.32 per share, for a total transaction value of $360,981. This was a sale (disposition) and therefore not a bullish purchase signal; the filing notes the sale was executed under a pre-established trading plan.

Key Details

• Transaction date: 2026-02-10; Price: $278.32 per share; Shares sold: 1,297; Total value: $360,981.
• Method: Reported as an open-market/private sale (code S).
• Footnote: Executed pursuant to a Rule 10b5-1 trading plan dated 10/29/2025.
• Filing date: 2026-02-11 (filed the day after the transaction) — appears timely.
• Shares owned after transaction: Not specified in the provided excerpt of the Form 4.

Context

A Rule 10b5-1 plan allows insiders to sell shares according to a preset schedule, which often indicates the trade was pre-arranged rather than an ad-hoc decision. Sales by executives are common and do not necessarily reflect a change in company outlook; purchases tend to be more informative about insider sentiment. The filing shows an executive-level sale, not a reported 10% owner transaction.