Geoffrey Phillips, Senior Vice President of Operations at GATX Corp, filed a Form 4 with the SEC on September 11, 2026, disclosing the exercise of a stock option and subsequent sales of common stock on that same date.

Key Highlights

  • Option exercised: Phillips acquired 2,500 shares of GATX Corp common stock via a 2020 NQ Stock Option (Right to Buy) at an exercise price of $77.07 per share.
  • Three sale transactions: Phillips disposed of shares in three separate open-market sales on September 11, 2026, at weighted average prices of $177.1219, $178.065, and $179.5067.
  • Direct ownership following transactions: After all reported transactions, Phillips held 1 share of common stock directly.
  • Indirect ownership: Phillips holds 6,472 shares indirectly through the Geoffrey D Phillips Living Trust U/A DTD 06/18/2021.
  • Derivative position closed: Following the option exercise, Phillips holds 0.00 derivative securities directly under the 2020 NQ Stock Option.
  • Filing signed by attorney: Lisa M. Ibarra signed the form by power of attorney on behalf of Geoffrey Phillips.

GATX Corp Officer Exercises 2020 Stock Option and Sells Shares at Prices Above $177

According to the filing, Phillips exercised a 2020 NQ Stock Option (Right to Buy) on September 11, 2026, acquiring 2,500 shares of GATX Corp (NYSE:GATX) common stock at the conversion price of $77.07. The option, which had been exercisable since January 31, 2021, was set to expire on January 31, 2027, and was held directly. The exercise was reported under transaction code M, and following the acquisition, the filing indicates Phillips held 2,501 shares directly before the subsequent sales.

The filing then reports three separate disposal transactions, all dated September 11, 2026. In the first, 1,700 shares were sold at a weighted average price of $177.1219, with the highest individual sale price at $177.1900 and the lowest at $176.9450. In the second transaction, 500 shares were sold at $178.065. In the third, 300 shares were sold at a weighted average of $179.5067, with a high of $179.5400 and a low of $179.4900. After these three sales, Phillips held 1 share of common stock directly, according to the filing. GATX Corp, a railcar leasing company, has Phillips serving in the role of Senior Vice President of Operations.

Separately, the filing discloses that Phillips holds 6,472 shares of GATX Corp common stock indirectly through the Geoffrey D Phillips Living Trust U/A DTD 06/18/2021. This indirect position was not part of any reported transaction in this filing and reflects a standing beneficial ownership arrangement as stated in the document.

What Was Disclosed

The filing reports a stock option exercise by Geoffrey Phillips, Senior VP of Operations at GATX Corp, followed by three open-market share sales, all on September 11, 2026. Phillips also holds 6,472 shares indirectly through a living trust, per the filing.