IPG PHOTONICS CORP (IPGP) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-14 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: IPG PHOTONICS CORP (IPGP) CIK: 0001111928 --- Reporting Owner --- Name: Desmond Jeanmarie F. CIK: 0001713192 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-14 | Code: S (Open market sale) Shares: -1,690 | Price: $105.58 Total Value: $178,430.20 Shares Owned After: 10,486 | Ownership: D (Direct) Footnotes: [F1] The reported transaction involves sale transactions ranging from $105.11 to $105.89 per share. The weighted average price per share was $105.58. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. --- Footnotes (Complete Index) --- F1: The reported transaction involves sale transactions ranging from $105.11 to $105.89 per share. The weighted average price per share was $105.58. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. --- Signature --- /s/ /s/ Adam N. King, Attorney-in-Fact (2026-05-15)