WEHRWEIN SVEN plan to sell securities of Proto Labs Inc under Form 144

WEHRWEIN SVEN filed Form 144 to notify SEC of plan to sell 2000 units of Proto Labs Inc securities around 2026-06-01, with aggregate market value of $151,900.00. The total outstanding units is 23794045.0. The amount planned to be sold represents 0.01% of total outstanding units;