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: 2026-05-22 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: IPG PHOTONICS CORP (IPGP) CIK: 0001111928 --- Reporting Owner --- Name: Mammen Timothy PV CIK: 0001378546 Role: Officer (SVP, Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-22 | Code: S (Open market sale) Shares: -7,263 | Price: $119.60 Total Value: $868,654.80 Shares Owned After: 79,150 | Ownership: D (Direct) Footnotes: [F1] The reported transaction involves sale transactions ranging from $119.05 to $119.92 per share. The weighted average price per share was $119.60. 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. [Transaction #2] Security: Common Stock Date: 2026-05-22 | Code: S (Open market sale) Shares: -2,712 | Price: $120.37 Total Value: $326,443.44 Shares Owned After: 76,438 | Ownership: D (Direct) Footnotes: [F2] The reported transaction involves sale transactions ranging from $120.25 to $120.49 per share. The weighted average price per share was $120.37. 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 $119.05 to $119.92 per share. The weighted average price per share was $119.60. 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. F2: The reported transaction involves sale transactions ranging from $120.25 to $120.49 per share. The weighted average price per share was $120.37. 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 (2026-05-26)