<div id="readability-page-1"><div><p><span>Rajendra Ajita G Director of Donaldson Co Inc [DCI] filed a Form 4 on December 8, 2025 with the Securities and Exchange Commission disclosing the following changes in ownership:</span></p><div><table><tbody><tr><th><span>Date</span></th><th><span>Transaction</span></th><th><span>Shares</span></th><th><span>Price</span></th><th><span>Value</span></th></tr><tr><td><span>12/5/25</span></td><td><span>Exercise(1)</span></td><td><span>19,800</span></td><td><span>$44.49</span></td><td><span>$880,967</span></td></tr><tr><td><span>12/5/25</span></td><td><span>Sale</span></td><td><span>19,800</span></td><td><span>$92.04</span></td><td><span>$1,822,392</span></td></tr></tbody></table></div><p><span>Ending Holdings: 43,993 - Direct</span></p><div><table><tbody><tr><td><span>(1)</span></td><td><span>13,200 shares exercised 1.1 years before expiration date.</span></td></tr><tr><td><span> </span></td><td><span>6,600 shares exercised 2.1 years before expiration date.</span></td></tr></tbody></table></div><p><span>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.</span></p><p><span>Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data.</span></p><span> </span></div></div>

<p>Rajendra Ajita G, Director of Donaldson Co Inc, sold 19,800 shares for $1.8M after exercising options. The transaction was disclosed in a Form 4 filed with the SEC on December 8, 2025. Ending holdings are 43,993 shares. The Washington Service offers insider trading analysis and data services.</p>

Dir Rajendra Sells 19,800 ($1.8M) Of Donaldson Co Inc [DCI]