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: 2026-05-12 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: 2026-05-12 | Code: A (Grant or award) Shares: +2,436 | Price: $0.00 Shares Owned After: 12,176 | Ownership: D (Direct) Footnotes: [F1] Grant of restricted stock units vesting in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, subject to the Reporting Person's continued services as a director of the Issuer through the vesting date. --- Footnotes (Complete Index) --- F1: Grant of restricted stock units vesting in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, subject to the Reporting Person's continued services as a director of the Issuer through the vesting date. --- Signature --- /s/ /s/ Adam N. King, Attorney-in-Fact (2026-05-13)