F5 EVP Thomas Dean Fountain Disposes Shares for Tax Obligations
F5, INC.
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Filing Summary
=== SEC FORM 4 INSIDER FILING ===
Company: F5, INC. (FFIV)
Insider: Thomas Dean Fountain
Title: EVP Global Services & Strategy
Transaction: Tax Withholding (Code F)
Shares: 11,590
Price: $338.34
Total Value: $3,921,360.60
Post-Holdings: 17,447 shares
Significance: Low (Routine Tax Withholding / Equity Vesting)
Comprehensive Analysis
Executive Summary
On November 3, 2026, F5, Inc. ($FFIV) reported Form 4 activity for Thomas Dean Fountain, Executive Vice President of Global Services & Strategy. The filing reflects routine equity compensation activity, including the vesting and conversion of service-based Restricted Stock Units (RSUs), the withholding of shares to cover tax liabilities, and a new annual RSU grant.
Transaction Breakdown
- RSU Vesting & Conversion (Code M): On November 1, 2026, 2,702 RSUs were converted into common shares across three historical grant tranches (November 2023, November 2024, and November 2025 awards).
- Tax Withholding (Code F): A total of 11,590 shares of common stock were surrendered/withheld at a market price of $338.34 per share to satisfy statutory tax obligations, totaling approximately $3.92 million.
- New Equity Grant (Code A): On November 2, 2026, Fountain received a grant of 6,733 service-based RSUs vesting in twelve equal quarterly installments commencing February 1, 2027. An additional performance-based award was granted concurrently but is not reportable until performance targets are achieved.
Ownership Post-Transaction
Following these transactions, Thomas Dean Fountain directly holds 17,447 shares of F5 common stock.
Market & Trading Significance
This transaction carries Low trading significance. The disposition of shares was executed under transaction Code F to cover tax withholding liabilities arising from vesting equity awards rather than a discretionary open-market sale.
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