Form4insider filings, from the source

Insider · CIK 0001894753

Daniel Schumacher

Files at: PRLB. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $903k · 2net −$903k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 24, 2026 SForm 4 →Sep 25, 4:11 pm EDTProto Labs IncPRLB5,000$95.32$476,60535,019−12.5%10b5-1
Sep 16, 2026 SForm 4 →Sep 18, 4:02 pm EDTProto Labs IncPRLB5,000$85.21$426,03540,019−11.1%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.