Phillips 66 EVP Mandell Brian Exercises Options and Sells $6.2M in Stock

Insider Transaction Analysis: Phillips 66 ($PSX)

Summary

On September 16, 2026, Brian Mandell, Executive Vice President of Phillips 66, engaged in a stock option exercise and subsequent sale. The insider exercised options to acquire 23,400 shares of common stock at an exercise price of $74.70 per share and immediately disposed of all 23,400 shares on the open market at a weighted average price of $265.059 per share, generating gross proceeds of approximately $6.20 million.

Key Findings

• Transaction Nature: Exercise-and-sale transaction. The options had an expiration date of February 9, 2031, and originally vested in three installments starting in 2022.
• Capital Realized: The total proceeds from the disposition equaled $6,202,380.60. After deducting the exercise cost of $1,747,980.00, net cash generated before taxes was approximately $4,454,400.60.
• Post-Transaction Holdings: Mandell maintains direct ownership of 61,594.9177 shares of common stock, which includes 22,182 Restricted Stock Units (RSUs).
• Rule 10b5-1 Status: The filing indicates that this transaction was not executed pursuant to a pre-scheduled Rule 10b5-1 trading plan.

Market & Trading Implications

While the headline transaction value is sizable at over $6.2 million, this trade represents a routine option exercise and liquidation rather than a reduction in Mandell's base equity holdings. Because net base equity ownership remained unchanged relative to pre-exercise levels, the overall trading significance is categorized as Medium.