Proto Labs Inc
Proto Labs Inc (PRLB) is a publicly traded company in the Unknown sector. Across all available filings, 38 corporate insiders have executed 692 transactions totaling $492.6M, demonstrating a bearish sentiment with -$475.7M in net insider flow. The most recent transaction on Jan 29, 2026 involved a transaction of 20,686 shares valued at $0.
PRLB Insider Activity Summary
Who Is Buying PRLB Stock?
No significant insider buying has been recorded for PRLB in the recent period.
Who Is Selling PRLB Stock?
No significant insider selling has been recorded for PRLB in the recent period.
Is Proto Labs Inc Insider Trading Bullish or Bearish?
Based on recent SEC filings, insider sentiment for PRLB is bearish with an Insider Alignment Score of 2/100 and a net flow of -$475.7M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
PRLB Frequently Asked Questions
Understanding PRLB Insider Activity
Insider trading at Proto Labs Inc (PRLB) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 38 insiders are actively trading PRLB stock, having executed 692 transactions in the past 90 days. The most active insider is Lawrence J. Lukis (Executive), who has made 9 transactions totaling $220.8M.
Related Tools
Track Proto Labs Inc Insider Activity
Get notified when executives and directors at PRLB file new Form 4 transactions