<div id="readability-page-1"><div>van Aken Jennifer Officer and Treasurer of GATX Corp [GATX] filed a Form 4 on December 11, 2025 with the Securities and Exchange Commission disclosing the following changes in ownership:<div><table><tbody><tr><th>Date</th><th>Transaction</th><th>Shares</th><th>Price</th><th>Value</th></tr><tr><td>12/10/25</td><td>Exercise(1)</td><td>1,800</td><td>$71.53</td><td>$128,745</td></tr><tr><td>12/10/25</td><td>Sale</td><td>1,800</td><td>$164.15</td><td>$295,466</td></tr></tbody></table></div>Ending Holdings: 5,912 - Direct<ul><li>(1)</li><li>Exercised 5.9 years after vest date and 1.5 months before expiration date.</li></ul>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data. </div></div>

GATX

Jennifer van Aken, Officer and Treasurer of GATX Corp, sold 1,800 shares worth $295,466 on December 10, 2025, as disclosed in a Form 4 filed with the SEC. The shares were exercised 5.9 years after the vest date and 1.5 months before expiration. Her ending holdings are 5,912 shares directly.

Treas van Aken Sells 1,800 ($295.5K) Of GATX Corp [GATX]