Fortinet CEO Ken Xie Sells $20.9M in Common Stock Under Rule 10b5-1 Plan

Executive Summary

On November 3, 2026, Fortinet, Inc. ($FTNT) filed a Form 4 disclosing transactions by President, CEO, and Director Ken Xie. On November 2, 2026, Mr. Xie exercised 155,000 stock options at $22.896 per share and sold a total of 161,483 shares of Common Stock across multiple tranches at weighted average prices ranging from $126.17 to $133.83, generating total gross proceeds of approximately $20.88 million.

Additionally, on November 1, 2026, Mr. Xie acquired 13,094 shares through RSU vesting and surrendered 6,611 shares at $136.08 per share to cover tax withholding obligations.

Transaction Breakdown

1. Option Exercise (November 2, 2026):

   • Exercised options to purchase 155,000 shares of common stock at an exercise price of $22.896 per share ($3,548,880 total exercise cost).

2. Open-Market Dispositions (November 2, 2026):

   • Sold 161,483 shares across eight price blocks between $126.172 and $133.8349.
   • Weighted average sale price: ~$129.31 per share.
   • Total disposition value: ~$20,880,684.49.

3. 10b5-1 Trading Plan:

   • Footnote 3 clarifies that all open-market sales were executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on March 3, 2026.

Impact on Ownership & Significance

• Holding Size: Following these transactions, Ken Xie maintains direct beneficial ownership of 52,972,372 shares and indirect beneficial ownership of 4,848,774 shares held by his spouse, totaling over 57.8 million shares.
• Significance (Medium): While the gross dollar value of the disposition exceeds $20 million, the shares sold represent less than 0.3% of his overall equity position in Fortinet. Given that the transaction was primarily paired with an expiring option exercise and executed under an established Rule 10b5-1 trading plan, it represents routine liquidity rather than a shift in executive sentiment.