Angelo P. Lopresti Sells 1,500 Shares of IPG Photonics Corp

On October 27, 2025, Angelo P. Lopresti, Senior Vice President, Secretary & General Counsel of IPG Photonics Corp, sold 1,500 shares of the company's common stock at a weighted average price of $87.13 per share. The transaction was executed under a Rule 10b5-1 trading plan adopted on June 13, 2025. Following the sale, Lopresti owns 61,385 shares of IPG Photonics Corp. The sales were part of a range of transactions with prices varying from $86.64 to $87.59 per share. Lopresti has committed to providing detailed information about the number of shares sold at each separate price upon request by the SEC staff, the issuer, or a security holder of the issuer.