Valentin Gapontsev Trust II plan to sell securities of IPG PHOTONICS CORP under Form 144

Valentin Gapontsev Trust II filed Form 144 to notify SEC of plan to sell 27945 units of IPG PHOTONICS CORP securities around 2025-12-19, with aggregate market value of $2,115,995.00. The total outstanding units is 42124481.0. The amount planned to be sold represents 0.07% of total outstanding units; Recent transactions in past 3 months include: On 11/21/2025, sold 4079 units for $308780.00; On 11/20/2025, sold 5236 units for $388316.00; On 10/15/2025, sold 9315 units for $804360.00;