Mammen Timothy PV plan to sell securities of IPG PHOTONICS CORP under Form 144

Mammen Timothy PV filed Form 144 to notify SEC of plan to sell 9975 units of IPG PHOTONICS CORP securities around 2026-05-22, with aggregate market value of $1,195,108.00. The total outstanding units is 42443616.0. The amount planned to be sold represents 0.02% of total outstanding units;