KRANTZ DONALD G — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

KRANTZ DONALD G has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-21PRLBProto Labs IncA — Grant or award2.2K$0.00
2025-05-23PRLBProto Labs IncA — Grant or award3.9K$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is KRANTZ DONALD G?

KRANTZ DONALD G is a corporate insider — currently tracked as Director of Proto Labs Inc (PRLB). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has KRANTZ DONALD G submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Where can I see all of KRANTZ DONALD G's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live KRANTZ DONALD G profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.