Ipg Photonics (IPGP) 4: SCHERBAKOV EUGENE A sold 2,655 shares of Common Stock at $7… (Dec 29, 2025)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2025-12-23 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: IPG PHOTONICS CORP (IPGP) CIK: 0001111928 --- Reporting Owner --- Name: SCHERBAKOV EUGENE A CIK: 0001378544 Role: Director, 10%+ Owner --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2025-12-23 | Code: S (Open market sale) Shares: -2,655 | Price: $74.43 Total Value: $197,611.65 Shares Owned After: 62,075 | Ownership: D (Direct) Footnotes: [F2] The reported transaction involves sale transactions ranging from $73.92 to $74.81 per share. The weighted average price per share was $74.43. 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. [F1] The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. [Transaction #2] Security: Common Stock Date: 2025-12-23 | Code: S (Open market sale) Shares: -45 | Price: $74.99 Total Value: $3,374.55 Shares Owned After: 62,030 | Ownership: D (Direct) Footnotes: [F3] The reported transaction involves sale transactions ranging from $74.93 to $75.00 per share. The weighted average price per share was $74.99. 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. [F1] The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. --- Footnotes (Complete Index) --- F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. F2: The reported transaction involves sale transactions ranging from $73.92 to $74.81 per share. The weighted average price per share was $74.43. 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. F3: The reported transaction involves sale transactions ranging from $74.93 to $75.00 per share. The weighted average price per share was $74.99. 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 (2025-12-29)