<div id="readability-page-1"><div><p><span>Oldham Paul R Chief Financial Officer of Advanced Energy Industries Inc [AEIS] filed a Form 4 on November 21, 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>11/19/25</span></td><td><span>Planned Exercise(1)(3)</span></td><td><span>6,042</span></td><td><span>$85.97</span></td><td><span>$519,431</span></td></tr><tr><td><span>11/19/25</span></td><td><span>Surrender(2)</span></td><td><span>4,082</span></td><td><span>$203.07</span></td><td><span>$828,932</span></td></tr><tr><td><span>11/19/25</span></td><td><span>Planned Sale(3)</span></td><td><span>8,174</span></td><td><span>$203.11</span></td><td><span>$1,660,221</span></td></tr></tbody></table></div><p><span>Ending Holdings: 24,792 - Direct</span></p><div><table><tbody><tr><td><span>(1)</span></td><td><span>Exercised 8.2 months after vest date and 6.3 years before expiration date.</span></td></tr><tr><td><span>(2)</span></td><td><span>Surrender of shares back to company to pay option exercise cost and/or resulting tax liability.</span></td></tr><tr><td><span>(3)</span></td><td><span>Executed pursuant to a prearranged trading plan (10b5-1).</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>

AEIS

<p>CFO Paul R. Oldham of Advanced Energy Industries Inc. sold 8,174 shares worth $1.7 million, as disclosed in a Form 4 filed with the SEC. The transactions included planned exercise, surrender, and sale of shares, executed under a prearranged trading plan. Ending holdings are 24,792 shares directly.</p>

CFO Oldham Sells 8,174 ($1.7M) Of Advanced Energy Industries Inc [AEIS]