Insider Cluster All stocks

PRLB insider trading

Proto Labs Inc

In the past 36 days, 1 insider sold $903K.

Insider purchases

No open-market purchases by insiders in this period.

Insider sales

InsiderValueHoldingsPlanTraded / filed
Daniel Schumacher
Chief Financial Officer
$477K
5,000 sh @ $95.32
−12.5% Pre-scheduled Sep 24, 2026
Filed Sep 25, 2026
Daniel Schumacher
Chief Financial Officer
$426K
5,000 sh @ $85.21
−11.1% Pre-scheduled Sep 16, 2026
Filed Sep 18, 2026