F5, Inc. Officer Files Form 144 for $3.1M Stock Sale

Executive Summary

On November 4, 2026, Thomas Fountain, an Officer at F5, Inc. ($FFIV), filed Form 144 detailing a notice of proposed sale of 9,387 shares of common stock with an aggregate market value of approximately $3.11 million.

Transaction Details

• Shares to be Sold: 9,387 shares
• Approximate Market Value: $3,108,505.05 (~$331.15 per share)
• Shares Outstanding: 56,627,182 shares (representing ~0.017% of total shares outstanding)
• Source of Shares:
  • 1,210 shares acquired via Restricted Stock Units on November 1, 2026.
  • 8,177 shares acquired via Performance Stock Units on November 1, 2026.
• Trading Plan: Executed pursuant to a Rule 10b5-1 trading plan adopted on October 29, 2025.
• Broker: Morgan Stanley Smith Barney LLC Executive Financial Services.

Past 3-Month Activity

Under the 10b5-1 plan, Thomas Fountain previously sold 1,208 shares of common stock on August 5, 2026, generating gross proceeds of $500,873.04.

Market & Insider Context

The planned sale is executed under a pre-established Rule 10b5-1 trading plan adopted over a year prior to the transaction date. The shares sold originate directly from RSU and PSU vesting on November 1, 2026, reflecting routine executive compensation equity management rather than discretionary market timing.