SCHERBAKOV EUGENE A plan to sell securities of IPG PHOTONICS CORP under Form 144

SCHERBAKOV EUGENE A filed Form 144 to notify SEC of plan to sell 8100 units of IPG PHOTONICS CORP securities around 2025-12-23, with aggregate market value of $602,934.00. The total outstanding units is 42124481.0. The amount planned to be sold represents 0.02% of total outstanding units; Recent transactions in past 3 months include: On 11/24/2025, sold 2700 units for $205288.00; On 10/15/2025, sold 2700 units for $236636.00; On 09/23/2025, sold 2700 units for $220872.00;